5
ADAPTER TROUBLE SHOOTING GUIDE
GB
PROBLEM
I cannot hear callers/callers cannot hear me
Possible cause
Remedy
Battery problem
Check that the batteries are correctly installed
and that the cover is fitted properly
Incorrect setting of
Refer to the compatibility chart and set to
6 position switch
the correct position
Check transmit level
Adjust to the recommended level as shown on
the compatibility chart and make a test call
Low receive volume
Rotate the volume control on the top of the
Vista. To increase the volume turn the dial to
a higher number
Cables not plugged
Check the connections to your telephone
in correctly
and headset. Refer to the user guide for
instructions
Headset/Handset
To use the Vista with your headset, make
setting incorrect
sure that the green indicator is showing on
the switch
Mute function
Your voice is muted if the green indicator is
switched on
showing on the switch
PROBLEM
Caller cannot hear you clearly
Possible cause
Remedy
Your voice seems
Only set the transmit level to the level that
unclear to your
needed you clearly for your voice to be heard
callers
clearly. Do not set this level too high.
4920 - VISTA USER GUIDE 29/9/00 11:46am Page 16