Basic handset operation

Displaying additional features

To display additional features

During a call, press FCN to display

 

additional features that are customized for

 

your facility.

Turning on the backlight

To turn on the backlight

The backlight illuminates when any key is

 

pressed or when there is an incoming call,

 

and stays on for 10 seconds. If another key is

 

not pressed within 10 seconds, the backlight

 

automatically turns off.

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Nortel Networks 6140, 6120 manual Displaying additional features, Turning on the backlight