User manual

FIRMWARE VERSION 1.0.1.38 GXV3175V2 USER MANUAL Page 113 of 138
DISPLAY
Users can adjust the LCD Backlight brightness in display settings. By tapping the left/right hand side of the
cursor on the brightness bar, users could turn down/up the brightness strength from 1 to 10 (Default value).
Press “Save” after configuration. See Figure 114.
Figure 114: Display Settings
MAINTENANCE
There are four tabs for users’ selection on the Maintenance setting screen under MENU  Settings 
Maintenance: Reboot, Backup, Factory Functions and Debug.
In page “Factory Functions”, GXV3175 provides some testing diagnostics for the LCD, camera and video,
audio and touchscreen on the device. Press “Start” and follow the instructions on the screen for each test.
(See Figure 115)