PM5 Firmware Timeline

The current versions of PM5 Firmware are listed below. The version you need depends on your PM5. More info

Check the current firmware version of your PM5 to find out what range of firmware your PM uses. The latest version of firmware for each PM5 is shown below.

Firmware Range	Current Release	Release Date
RowErgs
0–37	37	January 2024
150–176	176	January 2024
200–215	215	January 2024
250–260	260	January 2024
450–457	457	March 2024
SkiErgs
700–737	737	January 2024
850–876	876	January 2024
900–915	915	January 2024
950–960	960	January 2024
500–504	504	March 2024
BikeErgs
300–334	334	January 2024
350–367	367	January 2024
400–410	410	January 2024
550–557	557	March 2024

BikeErg
- Version 557 (released March 2024)
- Version 410 (released January 2024)
- Version 367 (released January 2024)
- Version 334 (released January 2024)
RowErgs
- Version 457 (released March 2024)
- Version 260 (released January 2024)
- Version 215 (released January 2024)
- Version 176 (released January 2024)
- Version 37 (released January 2024)
SkiErgs
- Version 504 (released March 2024)
- Version 960 (released January 2024)
- Version 915 (released January 2024)
- Version 876 (released January 2024)
- Version 737 (released January 2024)

Current firmware releases resolve many of the issues identified in earlier firmware versions. If you are not running current firmware, we recommend updating your monitor.

BikeErg

Timeline for Firmware Version 557

March 2024—PM5 Firmware Version 557 released. This was the initial public release for this hardware version.

Timeline for Firmware Version 410

January 2024—PM5 Firmware Version 410 released. This contains:
- Fix for JustRide after a break in pedaling
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 409 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 407 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
January 2023—PM5 Firmware Version 406 released. This contains:
- Improvements to firmware updates
- Fix for total calories issue after Bluetooth disconnect
- Improvements to average drag factor over Bluetooth
- Improvements to racing screens for Chinese/Japanese/Korean languages
October 2022—PM5 Firmware Version 404 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Minor screen format improvements for some languages
- Fixed issue with USB Flash drive firmware update
- Updated application for smart generator (SFE)
March 2022—PM5 Firmware Version 401 released. This was the initial public release for this hardware version.

Timeline for Firmware Version 367

January 2024—PM5 Firmware Version 367 released. This contains:
- Fix for JustRide after a break in pedaling
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 366 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 364 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 363 released. This contains:
- Fixed issue with USB Flash drive firmware update
September 2022—PM5 Firmware Version 362 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
December 2021—PM5 Firmware Version 361 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 360 released. This contains:
- Improvements and bugfixes for wireless functionality
- Improvements and bugfixes for venue/internet racing
- Various improvements and bugfixes for workout and logbook functionality
- Addition of Bluetooth firmware update capability
August 2021—PM5 Firmware Version 359 released. This contains:
- Improvements for Bluetooth reconnection during workout
- Fixes and improvements for powering on by pedaling
- Fixes and improvements for infrequent hard fault errors
- Bug fix for ANT+FE-C stationary bike data
March 2021—PM5 Firmware Version 358 released. This contains:
- Various improvements and bugfixes for Ergathlons
- Bug fix for premature workout termination when connected to mobile apps
- Improvements for internet racing
- Improvements for NFC wake-up behaviour
- Bug fix for Bluetooth Cycling Speed/Cadence service
September 2020—PM5 Firmware Version 356 released. This release provided support for hardware versions 900 and higher.

Timeline for Firmware Version 334

January 2024—PM5 Firmware Version 334 released. This contains:
- Fix for JustRide after a break in pedaling
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 333 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 331 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 330 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Minor screen format improvements for some languages
- Fixed issue with USB Flash drive firmware update
- Updated application for smart generator (SFE)
December 2021—PM5 Firmware Version 329 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 328 released. This contains:
- Improvements and bugfixes for wireless functionality
- Improvements and bugfixes for venue/internet racing
- Various improvements and bugfixes for workout and logbook functionality
September 2020—PM5 Firmware Version 327 released. This version contains:
- Improvements to Bluetooth application behavior
- Improvements to Bluetooth heart rate monitor compatibility
- Improvements to Connect menu
- Updated verification code behavior
- Adds 10,000m and 20,000m as ranking distances for calibration
- Bug fixes
September 2019—PM5 Firmware Version 326 released. This version contains:
- Menu changes
- Additional full calibration damper setting
- ErgRace compatibility improvements
- ErgData workout results collection improvements
- NFC compatibility improvements for iPhone
- Error reporting and logging improvements
March 2019—PM5 Firmware Version 325 released. This version contains:
- Workout logging improvements
- Interval workout Reride improvements
- Wireless improvements
- Improvements when using Heart Rate Monitors
- Error reporting and logging improvements
- Added ANT+FEC Group operating mode
- Ergathlon added to Games
- Fixed bug when listing by workout type
August 2018—PM5 Firmware Version 323 released. This version contains:
- Fixed issue with Re-riding a workout following a full calibration
- Improvements for Erg racing
- Improvements for calibration
- Numerous minor bugfixes and improvements
March 2018—PM5 Firmware Version 320 released. This version contains:
- Addition of French, German, Dutch and Danish language support
- Numerous minor bugfixes and improvements
December 2017—PM5 Firmware Version 319 released. This version contained:
- Miscellaneous minor fixes
- Addition of battery level indicator
September 2017—PM5 Firmware Version 313 released. This version contained:
- Maximum JustRide and Fixed Distance workout meters increased
- Minor fixes to calibration process
August 2017—PM5 Firmware Version 306 released. This was the initial release of firmware for the BikeErg.

RowErgs

Timeline for Firmware Version 457

March 2024—PM5 Firmware Version 457 released. This was the initial public release for this hardware version.

Timeline for Firmware Version 260

January 2024—PM5 Firmware Version 260 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 259 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
- Fixed bug causing erratic stroke rate when used with a Model C RowErg
May 2023—PM5 Firmware Version 257 released. This contains:
- Fix for an ErgData issue related to using the PM Force Curve display
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
January 2023—PM5 Firmware Version 256 released. This contains:
- Improvements to firmware updates
- Fix for total calories issue after Bluetooth disconnect
- Improvements to average drag factor over Bluetooth
- Improvements to racing screens for Chinese/Japanese/Korean languages
October 2022—PM5 Firmware Version 254 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Fixed issue with USB Flash drive firmware update
- Minor screen format improvements for some languages
September 2022—PM5 Firmware Version 252 released. Initial public release for this hardware.

Timeline for Firmware Version 215

January 2024—PM5 Firmware Version 215 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 214 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 212 released. This contains:
- Fix for an ErgData issue related to using the PM Force Curve display
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
September 2022—PM5 Firmware Version 211 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
December 2021—PM5 Firmware Version 210 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 209 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
March 2021—PM5 Firmware Version 208 released. This contains:
- Various improvements and bugfixes for Ergathlons
- Bug fix for premature workout termination when connected to mobile apps
- Improvements for internet racing
- Improvements for NFC wake-up behaviour
September 2020—PM5 Firmware Version 206 released. This version provides support for hardware versions 900 or higher.

Timeline for Firmware Version 176

January 2024—PM5 Firmware Version 176 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 175 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 173 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 172 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Minor screen format improvements for some languages
December 2021—PM5 Firmware Version 171 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 170 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
September 2020—PM5 Firmware Version 169 released. This version contains:
- Improvements to Bluetooth application behavior
- Improvements to Bluetooth heart rate monitor compatibility
- Improvements to Connect menu
- Updated verification code behavior
- Bug fixes
November 2019—PM5 Firmware Version 168 released. This version contains:
- Menu changes
- Improved firmware update user experience
- ANT+ mode switching improvements
- ErgRace compatibility improvements
- ANT+ FEC Group mode improvements
- ErgData workout results collection improvements
- NFC compatibility improvements for iPhone
- Error reporting and logging improvements
March 2019—PM5 Firmware Version 166 released. This version contains:
- Improvements for issues where the stroke rate is sometimes erratic
- Workout logging improvements
- Interval workout ReRow improvements
- Wireless improvements
- Improvements when used with Heart Rate Monitors
- Error reporting and logging improvements
- Chinese language improvements
- Added ANT+FEC Group operating mode
- Ergathlon added to Games
- Fixed bug when listing by workout type
June 2018—PM5 Firmware Version 163 released. This version contained:
- Wireless improvements
- Improvements for certain non-standard techniques
- Limited automatic searching for wireless devices after a prior connection has been made
- Many other bug fixes and improvements for racing
- Changes necessary for production with alternative memory chips
March 2018—PM5 Firmware Version 161 released. This version contained:
- Numerous wireless improvements and bug fixes
- Numerous venue racing improvements
- Russian language updates
- Added battery icon to Main screen
- Fixed issue with calories decrementing under certain conditions
- Fixed issue with configuring optional workout pace
- Miscellaneous minor fixes
September 2017—PM5 Firmware Version 159 released. This version contained:
- Numerous wireless improvements
- Numerous venue racing improvements
- Russian language support
- Fixed issue with hanging on "Wireless Off" screen
- Fixed issue with 100,000m distance intervals not logging properly
- Fixed issue with some calorie intervals not logging
- Miscellaneous minor fixes
February 2017—PM5 Firmware Version 156 released. This version contained:
- Venue Race bug fixes
- Diagnostics to determine if the internal crystal has failed
- Many wireless improvements
January 2017—PM5 Firmware Version 155 released. This version contained bug fixes for Venue Racing.
December 2016—PM5 Firmware Version 154 released. This release provided support for hardware versions 600 to 700.

Timeline for Firmware Version 37

January 2024—PM5 Firmware Version 37 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 36 released. This contains:
- Improvement to heart rate monitor connection screen
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 34 released. This contains:
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 33 released. This version contains:
- Improvements for firmware updates
- Improvements for online racing
- Added support for PKFitness Watchlink USB dongle
- Minor screen format improvements for some languages
December 2021—PM5 Firmware Version 32 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
September 2020—PM5 Firmware Version 31 released. This version contains:
- Improvements to Bluetooth application behavior
- Improvements to Bluetooth heart rate monitor compatibility
- Improvements to Connect menu
- Updated verification code behavior
- Bug fixes
December 2019—PM5 Firmware Version 30 released. This version contains:
- Menu changes
- Improved firmware update user experience
- ErgRace compatibility improvements
- ErgData workout results collection improvements
- Error reporting and logging improvements
March 2019—PM5 Firmware Version 29 released. This version contains:
- Improvements for issues where the stroke rate is sometimes erratic
- Workout logging improvements
- Interval workout ReRow improvements
- Wireless improvements
- Improvements when used with Heart Rate Monitors
- Error reporting and logging improvements
- Chinese language improvements
- Added ANT+FEC Group operating mode
- Ergathlon added to Games
- Fixed bug when listing by workout type
June 2018—PM5 Firmware Version 27 released. This version contained:
- Wireless improvements
- Improvements for certain non-standard techniques
- Limited automatic searching for wireless devices after a prior connection has been made
- Many other bug fixes and improvements for racing
- Changes necessary for production with alternative memory chips
March 2018—PM5 Firmware Version 26 released. This release contained:
- Numerous wireless improvements and bug fixes
- Numerous venue racing improvements
- Russian language updates
- Added battery icon to Main screen
- Fixed issue with calories decrementing under certain conditions
- Fixed issue with configuring optional workout pace
- Miscellaneous minor fixes
September 2017—PM5 Firmware Version 25 released. This release contained a fix for the hardware revision-specific generator cable test.
September 2017—PM5 Firmware Version 24 released. This release contained:
- Numerous wireless improvements
- Numerous venue racing improvements
- Russian language support
- Fixed issue with hanging on "Wireless Off" screen
- Fixed issue with 100,000m distance intervals not logging properly
- Fixed issue with some calorie intervals not logging
- Miscellaneous minor fixes
May 2016—PM5 Firmware Version 22 released. This release contained:
- The ability to set up calorie based workouts*
- Functionality that tests the cable and reports problems to the user before a workout is set up
- Many bug fixes, including some USB Overload issues, the issue where a monitor without batteries won't power up when rowing, and many others
- New ANT+FE-C wireless features for group rowing software; we encourage developers to inquire about this feature
*Note: Concept2 Utility versions 6.999 and older are not compatible with calorie based workouts. If you have 1) updated your PM5 to Firmware Version 22, 2) have calorie based results on your monitor, and 3) use the Concept2 Utility to upload results to your Online Logbook, upgrade to Concept2 Utility Version 7 or higher before using the Concept2 Utility to upload calorie based workouts to your online logbook. Otherwise, those workouts may be deleted from your monitor/USB flash drive.
October 2015—PM5 Firmware Version 20 released. This release contained:
- Wireless racing PM5 to PM5 only
- Japanese Language updates
- A fix for wired PC-Less racing with five or more participants
- A fix for the issue that occurs when listing results by type and Rerow after alternating between an indoor rower and a SkiErg
- A fix for the issue that occurs when doing successive workouts while connected to a PC
- A fix for the issue where the workout detail screen gets stuck on Calories
- Fixes for "161" errors with Concept2 Utility
- Improvements for Code 46 error conditions
- A fix for the issue with Paceboat for variable intervals
- Updates to Bluetooth Smart and CSAFE commands
- Fixes for Bluetooth Smart for Android
- Possible fix for iConnectConcept2 cable for older iPhones
- Possible fix for time/date needing to be reset frequently (but more likely a battery problem: see the PM5 product notice)
April 2015—PM5 Firmware Version 19 released. This release contained:
- Improvements related to USB flash drive operation
- Improvements to the wireless operation for Android apps
March 2015—PM5 Firmware Version 18 released. This release contained:
- Many bug fixes and improvements related to USB flash drives
- A fix for the Bluetooth Smart for Android connection
- A fix for missing pace and meters on some rowing screens
- Venue Race improvements and bug fixes
- Local racing False start bug fix
February 2015—PM5 Firmware Version 17 released. This release contained:
- Improvements to updating PM5 firmware with the USB flash drive
- Wireless capability in ErgData for iOS
- Wireless ANT+FE capability to Garmin watches
- Support for some non-compliant Bluetooth Smart heart rate belts
- Fixes for all known Venue Race issues (problems enumerating/connecting, false starts, and split results collection)
- Support for newer hardware
- More accurate battery level display
- Improvements to the USB flash drive operation, including the ability to collect diagnostic data that will be sent to Concept2 for future product improvements
- Capability to recover corrupted LogBook data
- Chinese
- Improvements to how SkiErg workouts are identified so that the Concept2 Utility and ErgData can upload them properly
- Improvements for USB to computer connections for Windows 8.1 and some Windows 7 computers
- Fix for the issue where, when creating a new interval workout, rest times above 4:15 did not set up the proper amount of rest time, and the rest time appeared as a seemingly random number
- Fix for monitors freezing during a workout
- Fix for extra pixels appearing on the display
October 2014—PM5 Firmware Version 15 released. This release contained:
- Updated translations for German, Finnish, French, Danish and Slovak
- Bug fixes for Suunto Heart Rate and HRM-RUN belts
- A fix for monitors that appear frozen or nonresponsive after powering down the monitor with the USB flash drive installed
- The following enhancements:
  - Additional options when viewing workouts in PM5 Memory (Summary, Monthly Totals and List by Type)
  - Longer monitor timeout period when you have set up but not yet begun a workout
  - The ability to save workouts with Undefined Rest as favorites
  - The ability to view calories burned in addition to calories per hour burned when viewing the details for a completed workout
August 2014, Initial Release—PM5 Firmware Version 12 shipped on all PM5s installed on indoor rowers.

SkiErg

Timeline for Firmware Version 504

March 2024—PM5 Firmware Version 504 released. This was the initial public release for this hardware version.

Timeline for Firmware Version 960

January 2024—PM5 Firmware Version 960 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 959 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 957 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
January 2023—PM5 Firmware Version 956 released. This contains:
- Improvements to firmware updates
- Fix for total calories issue after Bluetooth disconnect
- Improvements to average drag factor over Bluetooth
- Improvements to racing screens for Chinese/Japanese/Korean languages
October 2022—PM5 Firmware Version 954 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Fixed issue with USB Flash drive firmware update
- Minor screen format improvements for some languages
September 2022—PM5 Firmware Version 952 released. Initial public release for this hardware.

Timeline for Firmware Version 915

January 2024—PM5 Firmware Version 915 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 914 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 912 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
September 2022—PM5 Firmware Version 911 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
December 2021—PM5 Firmware Version 910 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 909 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
March 2021—PM5 Firmware Version 908 released. This contains:
- Various improvements and bugfixes for Ergathlons
- Bug fix for premature workout termination when connected to mobile apps
- Improvements for internet racing
- Improvements for NFC wake-up behaviour
September 2020—PM5 Firmware Version 906 released. This release provided support for hardware versions 900 and higher.

Timeline for Firmware Version 876

January 2024—PM5 Firmware Version 876 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 875 released. This contains:
- Various improvements to connecting with heart rate monitors
- Improvement to Bluetooth security support for certain mobile devices
- Improvement to support Garmin FR945 and Venu2 fitness watches sending heart rate data
- Improvement to Bluetooth Cycling Power Service when used with a USB Flash drive
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 873 released. This contains:
- Fix for an issue that caused hard faults under certain conditions
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 872 released. This contains:
- Fix for Bluetooth connection issues with some devices running iOS 16
- Additional Bluetooth characteristics for third party apps
- Improvements for firmware updates
- Improvements to heart monitor disconnect/reconnect behavior
- Improvements for Ergathlons
- Added support for PKFitness Watchlink
- Fixed issue with monthly meters scaling changing after transitioning to new month
- Minor screen format improvements for some languages
December 2021—PM5 Firmware Version 871 released. This contains:
- Fix for incorrect summary data in intervals over Bluetooth
December 2021—PM5 Firmware Version 870 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
September 2020—PM5 Firmware Version 869 released. This version contains:
- Improvements to Bluetooth application behavior
- Improvements to Bluetooth heart rate monitor compatibility
- Improvements to Connect menu
- Updated verification code behavior
- Bug fixes
November 2019—PM5 Firmware Version 868 released. This version contains:
- Menu changes
- Improved firmware update user experience
- ANT+ mode switching improvements
- ErgRace compatibility improvements
- ANT+ FEC Group mode improvements
- ErgData workout results collection improvements
- NFC compatibility improvements for iPhone
- Error reporting and logging improvements
March 2019—PM5 Firmware Version 866 released. This version contains:
- Improvements for issues where the stroke rate is sometimes erratic
- Workout logging improvements
- Interval workout ReSki improvements
- Wireless improvements
- Improvements when used with Heart Rate Monitors
- Error reporting and logging improvements
- Chinese language improvements
- Added ANT+FEC Group operating mode
- Ergathlon added to Games
- Fixed bug when listing by workout type
June 2018—PM5 Firmware Version 863 released. This version contained:
- Wireless improvements
- Improvements for certain non-standard techniques
- Limited automatic searching for wireless devices after a prior connection has been made
- Many other bug fixes and improvements for racing
- Changes necessary for production with alternative memory chips
March 2018—PM5 Firmware Version 861 released. This version contained:
- Numerous wireless improvements and bug fixes
- Numerous venue racing improvements
- Russian language updates
- Added battery icon to Main screen
- Fixed issue with calories decrementing under certain conditions
- Fixed issue with configuring optional workout pace
- Miscellaneous minor fixes
Note: If you are using ErgData for iOS and encounter issues with collecting stroke data and/or storing workouts after upgrading, please see the ErgData Known Issues page.
September 2017—PM5 Firmware Version 859 released. This version contained:
- Numerous wireless improvements
- Numerous venue racing improvements
- Russian language support
- Fixed issue with hanging on "Wireless Off" screen
- Fixed issue with 100,000m distance intervals not logging properly
- Fixed issue with some calorie intervals not logging
- Miscellaneous minor fixes
January 2017—PM5 Firmware Version 855 released. This version contained bug fixes for Venue Racing.
December 2016—PM5 Firmware Version 854 released. This version provides support for hardware versions 600 to 700.

Timeline for Firmware Version 737

January 2024—PM5 Firmware Version 737 released. This contains:
- Fix for creating Ergathlons
- Fix when listing workouts by type in memory
- Fix for interval workout logging
- Improvement to Ergathlon logging when workouts are ended early
- Improvement to logging drag factor
- Improvements when racing, including enabling time capped races and increasing the number of race participants allowed.
- Translation updates
October 2023—PM5 Firmware Version 736 released. This contains:
- Improvement to heart rate monitor connection screen
- Increased fixed time workout maximum distance to 1000 km
- Increased fixed distance workout maximum distance to 1000 km
May 2023—PM5 Firmware Version 734 released. This contains:
- Improvement in Ergathlon logging for terminated workouts
- Improvement in average drag factor calculation
- Improvement in Bluetooth disconnect/reconnect behavior during a workout
- Improvements for Bluetooth setup/monitoring of Target Game
- Improvements to existing Bluetooth notifications
- Translation updates
October 2022—PM5 Firmware Version 733 released. This version contains:
- Improvements for firmware updates
- Improvements for online racing
- Added support for PKFitness Watchlink USB dongle
- Minor screen format improvements for some languages
December 2021—PM5 Firmware Version 732 released. This version contains:
- Improvements and bug fixes for workouts and workout logbook functionality
- Improvements and bug fixes for Bluetooth/ANT+ wireless functionality
- Improvements and bug fixes for venue/internet racing
- Addition of Bluetooth firmware update capability
September 2020—PM5 Firmware Version 731 released. This version contains:
- Improvements to Bluetooth application behavior
- Improvements to Bluetooth heart rate monitor compatibility
- Improvements to Connect menu
- Updated verification code behavior
- Bug fixes
December 2019—PM5 Firmware Version 730 released. This version contains:
- Menu changes
- Improved firmware update user experience
- ErgRace compatibility improvements
- ErgData workout results collection improvements
- Error reporting and logging improvements
March 2019—PM5 Firmware Version 729 released. This version contains:
- Improvements for issues where the stroke rate is sometimes erratic
- Workout logging improvements
- Interval workout ReSki improvements
- Wireless improvements
- Improvements when used with Heart Rate Monitors
- Error reporting and logging improvements
- Chinese language improvements
- Added ANT+FEC Group operating mode
- Ergathlon added to Games
- Fixed bug when listing by workout type
June 2018—PM5 Firmware Version 727 released. This version contained:
- Wireless improvements
- Improvements for certain non-standard techniques
- Limited automatic searching for wireless devices after a prior connection has been made
- Many other bug fixes and improvements for racing
- Changes necessary for production with alternative memory chips
March 2018—PM5 Firmware Version 726 released. This version contained:
- Numerous wireless improvements and bug fixes
- Numerous venue racing improvements
- Russian language updates
- Added battery icon to Main screen
- Fixed issue with calories decrementing under certain conditions
- Fixed issue with configuring optional workout pace
- Miscellaneous minor fixes
September 2017—PM5 Firmware Version 725 released. This release contained a fix for the hardware revision-specific generator cable test.
September 2017—PM5 Firmware Version 724 released. This version contained:
- Numerous wireless improvements
- Numerous venue racing improvements
- Russian language support
- Fixed issue with hanging on "Wireless Off" screen
- Fixed issue with 100,000m distance intervals not logging properly
- Fixed issue with some calorie intervals not logging
- Miscellaneous minor fixes
May 2016—PM5 Firmware Version 722 released. This release contained:
- The ability to set up calorie based workouts*
- Functionality that tests the cable and reports problems to the user before a workout is set up
- Many bug fixes, including some USB Overload issues, the issue where a monitor without batteries won't power up when skiing, and many others
- New ANT+FE-C wireless features for group skiing software; we encourage developers to inquire about this feature
*Note: Concept2 Utility versions 6.999 and older are not compatible with calorie based workouts. If you have 1) updated your PM5 to Firmware Version 722, 2) have calorie based results on your monitor, and 3) use the Concept2 Utility to upload results to your Online Logbook, upgrade to Concept2 Utility Version 7 or higher before using the Concept2 Utility to upload calorie based workouts to your online logbook. Otherwise, those workouts may be deleted from your monitor/USB flash drive.
October 2015—PM5 Firmware Version 720 released. This release contained:
- Wireless racing PM5 to PM5 only
- Japanese Language updates
- A fix for wired PC-Less racing with five or more participants
- A fix for the issue that occurs when listing results by type and Rerow after alternating between an indoor rower and a SkiErg
- A fix for the issue that occurs when doing successive workouts while connected to a PC
- A fix for the issue where the workout detail screen gets stuck on Calories
- Fixes for "161" errors with Concept2 Utility
- Improvements for Code 46 error conditions
- A fix for the issue with Paceboat for variable intervals
- Updates to Bluetooth Smart and CSAFE commands
- Fixes for Bluetooth Smart for Android
- Possible fix for iConnectConcept2 cable for older iPhones
- Possible fix for time/date needing to be reset frequently (but more likely a battery problem: see the PM5 product notice)
April 2015—PM5 Firmware Version 719 released. This release contained:
- Improvements related to USB flash drive operation
- Improvements to the wireless operation for Android apps
March 2015—PM5 Firmware Version 718 released. This release contained:
- Many bug fixes and improvements related to USB flash drives
- A fix for the Bluetooth Smart for Android connection
- A fix for missing pace and meters on some rowing screens
- Venue Race improvements and bug fixes
- Local racing False start bug fix
February 2015—PM5 Firmware Version 717 released. This release contained:
- Improvements to updating PM5 firmware with the USB flash drive
- Wireless capability in ErgData for iOS
- Wireless ANT+FE capability to Garmin watches
- Support for some non-compliant Bluetooth Smart heart rate belts
- Fixes for all known Venue Race issues (problems enumerating/connecting, false starts, and split results collection)
- Support for newer hardware
- More accurate battery level display
- Improvements to the USB flash drive operation, including the ability to collect diagnostic data that will be sent to Concept2 for future product improvements
- Capability to recover corrupted LogBook data
- Chinese
- Improvements to how SkiErg workouts are identified so that the Concept2 Utility and ErgData can upload them properly
- Improvements for USB to computer connections for Windows 8.1 and some Windows 7 computers
- Fix for the issue where, when creating a new interval workout, rest times above 4:15 did not set up the proper amount of rest time, and the rest time appeared as a seemingly random number
- Fix for monitors freezing during a workout
- Fix for extra pixels appearing on the display
October 2014—PM5 Firmware Version 715 released. This release contained:
- Updated translations for German, Finnish, French, Danish and Slovak
- Bug fixes for Suunto Heart Rate and HRM-RUN belts
- A fix for monitors that appear frozen or nonresponsive after powering down the monitor with the USB flash drive installed
- The following enhancements:
  - Additional options when viewing workouts in PM5 Memory (Summary, Monthly Totals and List by Type)
  - Longer monitor timeout period when you have set up but not yet begun a workout
  - The ability to save workouts with Undefined Rest as favorites
  - The ability to view calories burned in addition to calories per hour burned when viewing the details for a completed workout
August 2014, Initial Release—PM5 Firmware Version 712 shipped on all PM5s installed on SkiErgs.

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