Maintenance and
care
If you do not want to use the headset for
a longer time:
Close the microphone boom
Store the headset in a clean and dry
environment.
To clean the headset:
Only clean with a dry cloth. Do not use
any liquids, solvents or cleansing
agents.
Accessories
502309
USB charging cable
502310
Power supply, EU version
502311
Power supply, UK version
502312
Power supply, US version
502313
Car charger unit
502314
Carrying case
500712
Handset lifter including a ring
tone detection microphone unit
500275
TCI 01 "Telephone Controlling
Interface" for phones featuring
an AEI or DHSG interface
If problems occur ...
If no dial tone is heard:
Make sure that your fixed line phone
is set up according to its manual.
If no sound file is heard:
.
Make sure that your sound prefer-
ences are set correctly and that your
PC is set up correctly and connected
either via the PHONE socket
directly via the AUX/DHSG socket ¸.
Specifications
Directional microphone system
Microphone
type
Sensitivity
Speaker
type
Max. output
Dimensions
Weight
Power
supply
Car charger
2 electret microphones,
paired/balanced
–36 dBV at 94 dB SPL, 1 kHz
Speaker unit
dynamic, bi-directional,
neodymium magnet
110 dB SPL limited by
ActiveGard™ technology
General
52mm x 65mm x 9mm
(width x height x depth)
15 g
input 100–240 V AC,
output 6 V DC, 150 mA
(only VMX 3in1) input 12–
24 V DC, output 5 V DC, 150 mA
or
21