Change display backlight settings
1.
Press and hold the Menu button for approximately 2 seconds.
2.
Using the Previous button, scroll to <System>, then press the Select button.
3.
Using the Next or Previous button, scroll to <Backlight>, then press the Select button.
4. Using the Next or Previous button, scroll to <Timeout>, then press the Select button.
5.
Using the Next or Previous button, scroll to the desired backlight timeout setting (E.g., <30 sec>), then press the Select button.
6.
Using the Next or Previous button, scroll to <On level>, then press the Select button.
7.
Using the Volume dial, scroll to the desired backlight level setting (E.g., <Low>), then press the Select button.
8.
Using the Next or Previous button, scroll to <Dim level>, then press the Select button.
9.
Using the Volume dial, scroll to the desired dim level setting (E.g., <Medium>), then press the Select button.