Sennheiser DW 800, Instructions For Use Manual, Page: 7 / 28

Basic settings
9
The basic settings of the mobile units
Function
Button(s) to be pressed simultaneously
Resulting
signals
(LED and
buzzer)
Accepting a call /
making a call
–
Increasing the
speaker volume
(press during a call)
Increases the
speaker
volume in
5 steps
Reducing the
speaker volume
(press during a call)
Reduces
the speaker
volume in
5 steps
Muting/unmuting
the headset
microphone
(press during a call)
Quick blue
flashes
1 x 1 mid-
range beep
every 5 sec.
Switching “ Sound
Clarity ™” on/off
(press during a call)
1 x 3 green
flashes
1 x 1 mid-
range beep
Switching a mobile
unit
on/off
(or simply place into
docking station to
switch it on)
1 x 3 green
flashes
3 beeps
Finding a mislaid
mobile unit (press
while line is not
busy)
Buzzer rings
as long as
keys are kept
pressed
The meanings of the
symbols:
Press the key (and release it immediately).
Press the key and keep it pressed for four seconds.
Press the key and keep it pressed until the desired parameter
is set or the desired action is performed.