BT 3500 - Manual (Page 29)

Quartet 3500 User Guide ~ 5th Edition ~ 17th January ’03 ~ 4393
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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