Sennheiser VMX OFFICE, Instruction Manual, Page: 24 / 28

20
En
glish We recommend to make a test call to
another person in the same office and to
walk around during the call to find out if
any areas are out of transmission range.
If the headset leaves the transmission
range of the
base station during a call:
• The sound quality deteriorates before
the connection finally breaks down.
• The PHONE LED
쐋
turns off to indicate
that the headset is out of the base
station’s transmission range.
• The headset LED flashes blue twice
every 5 seconds indicating that the
headset is out of the base station
transmission range in standby mode.
If you get back into the transmission
range within 40 seconds, a ring tone is
heard in the headset. To resume the call:
왘
Press the headset hook button.
If the headset leaves the transmission
range of the
mobile phone during a call:
• The sound quality deteriorates before
the connection finally breaks down.
• Your mobile phone or Bluetooth
device displays the loss of connection.
• A failure beep is heard in the headset.
• Please refer to your mobile phone or
Bluetooth device manual to find out
whether the call is transferred to
the mobile phone or Bluetooth device
automatically or requires an acknowl-
edgement to do so.
Changing the speaker volume
왘
Press the volume button
햲
during a
call.
The speaker volume is changed by
one step. The speaker volume can be
adjusted in 8 steps. The factory
setting is 4. When the minimum or
maximum volume is reached, a beep
is heard in the speaker
햷
.
In addition, the adaptive intelligence
“learns” your preferred settings and
adjusts the volume automatically.
If you close the headset, the current
volume setting is saved.
Changing the ring tone volume
왘
Press the volume button
햲
while the
headset is in stand-by mode (no
active call).
The ring tone volume is changed by
one step. The ring tone is played once
in the set volume. The set volume is
saved.
The ring tone volume can be adjusted
between step 1 and 8. The factory
setting is step 4.
Muting/un-muting the headset
microphone
To mute the headset microphone:
왘
Press and hold the volume button
햲
during a call until a beep is heard in
the headset.
The microphone is muted. A beep is
heard every 1.5 seconds in the head-
set.