PictureTel 4500 - Manual (Page 92)

86
No Sound
These are the steps to take if you canÕt hear any sound during a call.
If you have this symptom... Do this...
No system sound. 1. Press VOLUME on the keypad to increase the
volume.
2. Ask the people at the far-end site to make sure
they haven’t muted the call.
3. If the far end has a wired keypad, make sure
that the INT MIC switch on the back of the
keypad is set to ON .
4. Make sure all cable connections to the
electronics module and the monitor are correct
and secure.
5. Make sure the volume on the monitor is on and
set to about the middle level.
6. Hang up and call another site to see if the
people at that site can hear you.