
54
18 QUICK REFERENCE
Type
Function
Button control
LED
Acoustic signal
Basic
function
Switching on
Press the center
button and the
(+) button for 1”
Blue
Acoustic signals of
increasing
intensity
Switching off
Press the center
button and the
(+) button
Red
Acoustic signals of
decreasing
intensity
Adjusting
the volume
Press the (+) button
or the (-) button
-
-
Silent
microphone
Press the center
button and the
(-) button for 1”
-
Acoustic signals
of decreasing/in-
creasing intensity
Intercom Intercom
pairing
Press the center
button for 5”
Flashing red
Single and double
medium tone
acoustic signal
Press the center button
of one of the two ARKs
Type
Function
Button control
LED
Acoustic
signal
Intercom
Starting / Stopping
Each intercom
conversion
Press the
center button
-
-
Interruption of all
intercom
conversations
Press the
center button for 3”
-
-
Start
Group Intercom
™
Press the
(+) and (-) buttons
simultaneously
Flashing
green
-
Stop
Group Intercom
™
Press the
center button for 3”
-
-
Music
Playing/pausing
Bluetooth
®
music
Press the
center button for 1”
-
-
Next / previous track
Press the
(+) or (-) button for 1”