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Telephone lines - On steadily when line 1, line 2, line 3, or line 4
is in use on this handset, or when there is an incoming call.
Ringer off - On steadily when the ringer volume is set to OFF.
Headset - On steadily when using a corded headset.
Speakerphone - On steadily when using the speakerphone.
MUTE Mute - Microphone is muted.
NEW
New caller ID log - Missed and new calls.
L1 L2 L3 L4
Appendix
Handset screen icons