User guide

13
Overcharging Protection
Main/backup battery overcharging protection
All M3 batteries are protected against overcharging.
 Back-up battery: Integrated PCM circuit / Cut off at 2.8V
 Main battery: Integrated PCM circuit / Cut off at 2.8V
Low Battery Warning Message
When 20% of full capacity is left:
Displays a message, 'Not enough battery', at the task bar.
When 10% of full capacity is left:
The caution message pops up several times. From this moment, the device consumes the 10% of charge to
keep it alive. If all 10% is consumed, it enters sleep mode and uses the back-up battery. If all is consumed,
the device is powered off and all data except in flash disk may be lost.