You can set up the backlight brightness so that users can better see the screen in an environment with high or low light intensity.
On the Web
To set it up, go to Device > LCD > Screen Backlight Brightness interface.
Mode:
Manual: Set the backlight brightness value manually.
Auto: The screen backlight brightness will be adjusted automatically.
Note
The backlight brightness has two automatic modes, Day and Night. They are determined by the photoresistor.
If the current value is between the minimum and maximum photoresistor, the device is in Day mode.
If the current value is higher than the maximum photoresistor, the device is in Night mode.
Backlight Brightness (Day): Select the brightness value from 1-255. The default value is 200. The larger the value, the brighter the screen.
Backlight Brightness Of Screensaver (Day): Adjust the backlight for the screensaver in the daytime with the value ranging from 1-255.
Backlight Brightness (Night): Select the brightness value from 1-255. The default value is 200. The larger the value, the brighter the screen.
Backlight Brightness Of Screensaver (Night): Adjust the backlight for the screensaver in the nighttime with the value ranging from 1-255.
On the Device
On the Admin Settings screen, tap Brightness.
Automatic: The device adjusts the brightness automatically.
Manual: Set the brightness manually.
Keypad Light Setting
You can enable or disable the keypad light or set it to be turned on during a specific time.
To set it up, go to Device > Light > Keypad Light interface.
Mode:
Auto: The keypad light is off when the screen turns dark. The keypad lights up when pressed.
Always OFF: The keypad light stays off.
Specific Time: Set the time when the keypad light will be on.