Lighted display
NEW CALL  
indicator
On when there are 
unreviewed call 
log calls. 
 Messages indicator
Flashes when there are unreviewed 
messages in the general mailbox. 
LINE 1-LINE 4 indicator
On when a telephone line is 
in use. 
Flashes slowly when a tel-
ephone line is on hold. 
Flashes rapidly when there is 
an incoming call. 
ANSWER ON indicator
On when the general mailbox is 
on and ready to receive calls.
 SPEAKER indicator
On when the speakerphone is on. 
MUTE indicator
Flashes slowly when the 
corded handset microphone 
or speakerphone is muted. 
DND indicator
On when the do not disturb function is on. 
HEADSET indicator
On when the corded 
headset is in use. 
Indicator lights:
Getting started
Screen icons, indicator tones and lights
37