System configurationAcer d100 Portable Navigator 51To set the screen backlight level:1. Tap / to adjust the screen backlight level.2. Tap to apply the changes made.To set the screen backlight auto-off function:1. Tap / under the Battery and AC Power settings.Options include Never, backlight off after 10 or 15 seconds, and backlightoff after 1, 2, or 3 minutes.2. Tap to apply the changes made.Date TimeGo to step 3 of the “To configure system settings” section for instructions onhow to set the system date and time.Language