
Quartet 3500 User Guide ~ 5th Edition ~ 17th January ’03 ~ 4393
26
Handset settings
To lock or unlock the keypad
You can lock the keypad so that
it cannot be used accidentally
while carrying it around.
Press the
CLEAR
button.
Press the
✱
button. The keypad
is now locked.
The display will show the
icon.
(If you press any button now,
the display will show,
Press
Clr Then * To Unlock Keys
.
To unlock the keypad, press
the
CLEAR
button and then
the
✱
button again. The
icon will disappear and the
clock will return.
IMPORTANT
If the keypad is locked you
will
NOT
be able to dial the
emergency numbers
999
and
112
.
To adjust the handset ringer
volume
The handset has 3 ringer
volume settings: Off, Low and
High. The default setting is
High.
Press the
UP
or
DOWN
button
until the display shows
Handset
Settings
.
Press the
OK
option button.
Press the
UP
or
DOWN
button
until the display shows
Ringer
Volume
.
Press the
OK
option button.
The current ringer volume
setting will be highlighted.
Use the
UP
or
DOWN
button to
highlight which volume setting
you require: Off, Low or High.
You will hear a sample ring for
the High or Low settings.
OK
OK
Quartet 3500 01/07/03 16:11 Page 26