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Download Release 4.05e for the Mk 4 CS TimeClock
USB Firmware Update Instructions (text file)
Important: Please backup your clock database before
doing a firmware update!
Version History
Version 4.05e - 13 April 2026
- Resolved a memory error that occurred when attempting to retrieve time from a timeserver after a failed request.
- Added protection against large backward time adjustments. Expanded the Internet time synchronization schedule by adding extra periodic tasks.
- When getting the time from the timeserver on bootup fails, the clock now retries when it is not busy.