NAUTIZ X4 Manual Version 1.252 handheld9.3.3. Up/Down Control TabCustomize the way the Up/Down control repeats• Delay before first repeat (Short/Long)• Repeat rate (Slow/Fast)☞NOTE: It is useful for a customer to want to remap keyboard.9.4. Backlight PropertiesModify display and keyboard backlight brightness.Also set backlight options (i.e. turn off time).To modify backlight settings open:Start > Settings > Control Panel > Backlight9.4.1. Battery power TabModify display backlight settings when device runs on batteries. Set display brightness level Set backlight timeout time.Available options:10 sec30 sec (by default)1 min2 min3 min4 min5 min Enable to turn on backlight when a button is pressed or the screen is tapped