ATT3658B
HANDSET ICONS
THIS ICON: INDICATES
Line In Use indicator
On steadily with no number next to it when another phone on this line is in use.
On steadily with one or more numbers next to it, indicating which extensions are using the line.
For example, 
12 indicates that Handset 1 and
Handset 2 are on an outside call.
Intercom indicator
On steadily with the extension numbers currently on an intercom call. For example, 
02 indicates that the Base and Handset 2 are on an intercom call.
Battery indicator
When the handset is removed from the charger, this lets you know the level of charge in the battery pack, from
Full ( 
) to Empty ( 
).
Cycles (Low, Medium, and Full) when Handset battery is charging.
Flashes when a low battery condition is detected.
Ringer Off indicator
is displayed when the ringer is turned off.
EEnhanced Mode indicator
On steadily when active handset is in Enhanced mode. The handset will enter Enhanced mode automatically when in an area with interference.
MMute indicator
On steadily when the handset microphone is muted.
HHold indicator
On steadily when the line is on hold.
RHandset Registration indicator
Ris displayed when a handset is either not registered, or searching for the base unit.
0 – 6 Handset indicator
Number is displayed to show which set is in use.
TAnswering indicator
The answering system is answering an incoming call.
TELEPHONE OPERATION
29