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User guide Doc. version 1.2
3 Operation elements
VL Telephone/VL Telephone plus
3.2 Keys and their functions
Loudspeaker key:
- ”hands-free operation“: seize line,
disconnect line,
- ”listen-in function“: activation/deactivation
during a call,
- switching between handset and hands-free
operation.
Redial key: A call is established to the subscriber
number dialled last.
Programming key:
- Used to intitate operation steps,
- Used to initiate programming steps, i. e. start
and complete the programming.
Recall key e. g. for call transfers if the device is
connected to a telephone system.
Triangular key: Depending on the basic settings,
the handset volume for the current call can be
either raised or lowered.
SOS (emergency call) key (key on the very top):
direct dialling of emergency numbers - if
programmed.
Interrupt emergency call or distress radio call.
Speed dialling key: direct dialling of a stored
telephone number.
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