Self-start
The self-starting of an external unit is performed with the audio signal relayed from the external unit to the internal
unit activated so that from the internal unit, the user can hear but not be heard:
Self-start activation
As can be seen from the icon on T4, the microphone of the internal unit is muted. It can be enabled or muted
again by touching the T4
key. The P/A key interrupts conversation regardless of whether the microphone is
enabled or muted.
During self-start, it is possible to use the Operators context or the LOCK key, unless programmed for another
function.
The
key gives access to the Audio only settings context if the call originates from an audio external
unit or Audio and video settings context if the call originates from an audio/video external unit.
The conversation can be ended using the P/A key or from the external unit, using the appropriate procedure.
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