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Learn the basics
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To customize the speed of your Up/Down button control:
1. Tap the Up/Down Control tab.
2. Tap the slider to your desired settings then tap OK when done.
NOTE Tap the Advance tab to set options for the key light and hold
switch.
Setting the backlight
To set the backlight:
1. Tap > Settings.
2. Tap the System tab, then tap the
Backlight icon.
3. Adjust the display brightness by
dragging the slider towards Dark or
Bright until you achieve your desired
screen brightness.
4. Tap the Advance tab and customize
the backlight settings when using
battery power and AC power.
6. Tap OK when done.