Polycom 4020 Telephone User Manual


 
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OUT OF RANGE: The out of range indication can be turned on/off using < and >. Confirm with . With the out of
range indicator turned on, a beep will appear when the telephone is moving out of range of the base station, and
“OUT OF RANGE” will appear in the display.
AUTO KEYLOCK: The auto keylock function can be turned on/off using < and >. Confirm with . With auto keylock
turned on the handset will automatically lock the keys after 30 seconds. Press MENU to activate the keys again.
LANGUAGE: see Chap. 9.
BACKLIGHT: Can be turned on/off using < and >. Confirm with .
ADVANCED: see Chap. 10.
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