Keypad lock
Press and hold
Incoming calls can be answered by pressing
keypad is locked. During the call, the keypad is unlocked.
When the call is ended or rejected, the keypad is locked again.
Please note!
The emergency numbers 999, 112 and 911 can be dialled
without unlocking the keypad.
Volume control
During a normal or speakerphone call, press
of the handset, to adjust the sound volume of the handset or
speaker. Alternatively use
The volume level is indicated on the display. When you end the
call, the setting will remain at the last selected level.
Boost
Press Boost
deactivate audio boost. When Boost is On the LED indicator
(number 13) on the handset illuminates. The boost is
deactivated at the end of each call to avoid harming people
with normal hearing.
Warning!
The maximum handset volume can be very loud. Boost
should only be used by persons with impaired hearing.
to activate/deactivate the keypad lock.
*
on the side of the handset, to activate/
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