Telecom Behnke a Series Manual page 83

extended operation
6.
6.1. Control options during voice calls
During voice calls, door intercom devices offer several control options to be activated using
a telephone with DTMF dialling:
Entry Function
Activation Activate relay
code # The relay operations mode, the activation time and the activation code, naturally,
have to be set correctly to activate a relay via an activation code.
## x Set volume to x (x=0 to 9)
The volume setting is only valid for the current connection. The volume can only
be permanently set via the configuration steps 06, 07, and 988.
##* security Automatic acoustic setting (without additional amplifier) (V1.51 or later)
code 0 see next section
##* safety Automatic acoustic setting (with additional amplifier) (V1.51 or later)
code 1 see next section
##* security Automatic acoustic setting (maintain mode) (V1.51 or later)
code 2 see next section
### Play voice message (V1.30 or later)
The voice message set for this function will be played.
*# Disconnecting (function can be set via configuration step 9918 from V1.34 or
later)
** Enter set-up mode (subsequently, enter security code)
*0 Switching between operation with and without additional amplifier
1x ok beep ▸ operation without additional amplifier
2x ok beeps ▸ operation with additional amplifier
Error beep ▸ operation with additional amplifier not possible or not permitted
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Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Extended operation
GB
83