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Adjusting the volume
Volume –
-
-
A B
&
call & music volume
Dual
is synchronised
Using with a USB device
A B
B
&
or
A
Dual
Accepts/Initiates a call
2 x
Redials the last number
2 x
Puts an active call on hold
Managing multiple calls
call 1 call 2
Accepts the
incoming call and
puts an active call on hold
Swaps between the
2 x
held and active call
incoming call/
Charging the battery of the second speakerphone
To charge second speakerphone B, follow:
A B
&
Dual
-
+
-
+
a
Use an optional
external power supply*
*
not included
B
-
+
c
Connect a
second computer
-
-
Volume +
-
+
+
+
Mute/Unmute ringtone
(only during incoming call):
Mute ringtone: Press & hold
the "–" button for 2 seconds.
Unmute ringtone:
-
+
Press and hold the "+" button
for 2 seconds.
+45 561 800 00
Bauer, Chloe
Brown, Scott
1
2
3
Dickens, Chris
4
5
6
Martinez, Pat
Ends a call for devices
King, Michael
7
8
9
Meyers, Daniel
*
0
#
connected via USB
Smith, John
Thomson, Mary
1s
Rejects a call
-
+
Managing multiple calls
call 1 call 2
USB
3.5 mm
active call
c
a
b
or
or
"Battery level low"
-
-
+
*
USB
5s off
You can either use the first
or the second computer
USB
for calls and music.
1
B
+
-
+
+
-
+
Muting the microphone
Active call/
Music listening:
-
Increases or reduces
the speech or
music volume
While idle
(no active call or
music listening):
Increase or reduce
the tone volume.
Mute
on
When ONLY using a MOBILE DEVICE
Accepts a call
Initiates a call
Ends a call
-
Rejects the incoming
call and continues
the active call
B
B
or
USB
A
b
B
+
LEDs turn off.
Call will be placed on hold*.
When idle
(no call or music),
yellow indicates
charging only
Listening to music
B
or
2
or
A
MONO
-
Press & hold
3.5 mm
the mute
button
Music mode
USB
activates
automatically.
Cleaning the product
+
A B
&
Dual
-
+
-
+
Mute
mute & unmute
off
is synchronised
Check
battery level
3.5 mm
1
2
3
ABC
DEF
4
5
6
JKL
MNO
GHI
7
8
9
PQRS
TUV
WXYZ
*
0
#
When using 3.5 mm only,
end calls, but shows the
-
+
remaining battery power.
Below 30 min talk time,
automatic voice prompts:
"Battery level low"
Swap speakerphones
A and B
2
A
B
1
-
+
-
+
-
+
-
+
-
+
+
Music
mode ON
5s
.
A
Music
mode OFF
+
+
-
+
?
button does not
100%
20 h
Up to 20 hours of talk time
when batter is full charged.
20 h
A
-
+
B
3
-
+
Call will resume*.
*Depending on the softphone.
Stereo mode
A B
&
Dual
B
-
+
STEREO
B
L
R
left
right
speaker
speaker
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