In-use / CID LED: Steady Flash: OFF-hook / Unread miss call;
LCD Icon Description
Key lock icon
Line in use icon
No ring icon
No Line icon
Indicate that the handset is used within the operational range.
Indicate that the keypad is locked.
Indicate that the line is in use.
Indicate that alarm is set.
Indicate that external ring volume is set to on.
Indicate the battery level.
Indicate that external ring volume is set to off.
Indicate that the base doesn't connect with PSTN.
Indicate that the microphone or handset ringer is currently muted.