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If the you work outdoor and can’t access to the power source, please
bring a main battery to prepare for contingencies.
1) Turn off the program when you are not using the wireless network
service.
2) Tap on Start Menu -> Settings -> Control Panel -> Backlight to
adjust the backlight level.
3) Tap on Start menu -> Settings -> Control Panel -> Power to adjust
the power configuration (See the figure).
A. On the Battery Properties page, you can view the battery level at
any time.
B. On the Schemes page, you can choose the appropriate power
scheme.
Figure 2-3
Example: As shown in the figure above, the backlight shuts down after
the device stays idle for 15s, the screen shuts down after 30s, and the
