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How to use the device
Possible operations when making calls, during calls, 
during pages, and during monitoring
3
Adjusting Screen Brightness
The brightness of the screen can be adjusted when making an outgoing call, receiving an incoming page, during a 
call, or during (scan) monitoring.
1.  Tap  .
 
2.  Tap   or   to adjust the screen 
brightness.
•:
Press this to darken the screen one step.
•:
Press this to lighten the screen one step.
• The configuration is retained.
 
3.  Tap   to return to the previous 
screen.