64 8163A/B, 8164A/B, 8166A/B User’s Guide
2 Additional Information
To Set the Backlight
To change the backlight level of the 8163A/B/6A/B’s screen:
1Press the Config hardkey.
2 Move to the <Backlight> menu option and press Enter. You see a box
displaying the current setting.
Figure 29 Entering a Backlight Value
3 Enter an integer value between zero and one hundred in this box and
press Enter.
The Contrast can also be set for the 8163A and the 8166A models, but
only these models, as follows: