Call Timer; Earpiece Volume - BT Quartet 1500 User Manual

If you have subscribed to your network's Caller Display
service, the caller's number, or name (if an exact
name/number match is found in the phonebook) will also
be displayed, See page 23.

Call timer

Your handset automatically times the duration of all
calls, showing the time on the display during your call
and for a few seconds after it has finished.

Earpiece volume

There are 8 volume levels to select from. The default is 4.
You can only adjust the earpiece volume during a call.
1. Press to increase or
Vol
volume. The display shows the set volume, e.g.
to decrease the earpiece
The earpiece volume will remain at
the level set for all calls until
changed.
EAR VOL 2 .
Using the phone 15