Operating Order and References
Screen Brightness Adjustment
1. How to select the "Back Light"
• Select
button.
• Select the
• Select the "Back Light (F1)" on screen.
<Figure 2: Back Light Adjustment>
Adjust the brightness using stylus pen or pressing the
2. It can be adjusted at 5 levels. Screen will be brighter as it is adjusted to (+).
3. Move to another setup
• Using stylus pen, move to another setup if required
• Selecting the
setup if required.
D439E Service Manual
at the bottom of screen.
, move to the menu and use
,
on the key pad.
,
231
buttons to move another
5. Service Tool