Troubleshooting
86
Installation Manual
3.1.3
Operation
PROBLEM
PROBABLE CAUSE
POSSIBLE SOLUTION
When using the speakerphone
mode with a digital proprietary
telephone, nothing is audible.
The "HEADSET" mode is
selected in Station
Programming, "Handset/
Headset Selection."
When the headset is not being used,
select the "HANDSET" mode by
Station Programming.
The unit does not ring.
The Ringer Volume Selector is
set to "OFF."
Set to "HIGH" or "LOW."
When originating an outside
call, Call Transfer or
Conference do not work.
The corresponding CO button
does not exist on the digital
proprietary telephone.
Program the CO button. See [005]
Flexible CO Button/PF Key
Assignment.