Resetting the Xero C1 Pro Chronograph

If the Xero® C1 Pro Chronograph stops responding, you may need to reset it. This does not erase any of your data or settings. To perform the reset press and hold the PWR button for 20 seconds.

If you want to reset the device to factory default settings:

NOTE: Resetting to factory default settings clears all data from the chronograph and resets the language setting. 

1. Turn off the chronograph
2. Press and hold OK and , then press PWR to turn on the device
3. When the Xero logo appears, release OK
4. Continue to hold  until the device starts