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User’s Manual
2.3.3.Installing/Replacing the Battery
In case you need to install or replace the battery, follow the steps below to
access the battery chamber and replace the battery.
1. Place the device on a flat surface, with the rear side facing up. Loosen the
retaining screws on the back cover by using a Hexagon socket screwdriver
with flat head.
2. To install a new battery, orient the new battery so that the contact pins are
aligned correctly.
3. Assemble the battery cover and secure the retaining screws by using a
Hexagon socket screwdriver with flat head.
2.4. Optimizing Battery Life
If the VT-7GA/VT-7GE is unable to keep charging by DC power supply, to
optimize the operating time of the battery, it is recommended that you do the
following:
Decrease the LCD display brightness.
Set a shorter timeout of inactivity to allow the screen enter sleep mode.