17
Charging the Battery
Use one of the cradles to charge the main battery installed in the device. See the chapter Accessories for
charging accessories. See the ET51 or 56 User Guide for information about battery management.
The 8.4" tablet main battery charges from fully depleted to 90% in approximately 2.5 hours and from fully
depleted to 100% in approximately 3.5 hours.
The 10.1" tablet main battery charges from fully depleted to 90% in approximately three hours and from fully
depleted to 100% in approximately four hours.
NOTE: The Charging indicator only illuminates when the tablet is connected to AC power.
Resetting the Device
The reset functions include the following:
• Soft reset
• Hard reset
• Enterprise reset - Performing an Enterprise Reset on page 127.
• Factory reset - Performing a Factory Reset on page 129.
Performing a Soft Reset
Perform a soft reset if applications stop working.
1. Press and hold the Power button until the menu appears.
2. Touch Restart.
The device reboots.
Performing a Hard Reset
CAUTION: Performing a hard reset with a microSD card installed in the device may cause damage or data corruption to the
microSD card. All un-saved data is lost after performing a hard reset.
Perform a hard reset if the device stops responding.
1. Press and hold the power button and the volume up button.
Table 2 Charging Indicator
LED Indication
Off Tablet is not in cradle. Tablet is not seated properly. Cradle is not powered.
Orange Tablet is charging.
Green Charging complete.
Note: When the battery is initially inserted in the tablet, the amber LED flashes once if the
battery power is low or the battery is not fully inserted.
Red Error in charging; check placement of the tablet.
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