Tap > Settings > System > Backlight.

Dim Backlight Tab

Brightness Tab

Keypad Backlight Tab

The Dim Backlight tab determines the backlight timeout when the terminal is running on battery/exter- nal/USB power.

The Brightness tab determines the backlight brightness. The default is 5.

The Keypad Backlight tab determines the if the backlight is on with the display or off.

Certificates

Certificates shows you the certificates that are recognized by the operating system. It contains three screens.

Intermediate Screen

Personal Screen

Root Screen

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