GB
Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Operation
GB
84
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Entry
Function
Switching between operation with and without additional amplifier is only
possible if the additional amplifier is activated via configuration step 07 and an
additional 12V supply is connected.
*8
Disconnecting (only possible for V1.34 or later and if the *# function was
switched to a function other than disconnecting via configuration step 9918)
*8 security
code #
Reset emergency state (only possible for V1.40 or later)
If group calling is active, the device will enter the emergency state if an emer-
gency call was made (deactivation of the misuse protection). When entering *8
and the security code as well as #, the emergency state can be reset. If configu-
ration step 9919 is set to “0”, it is not necessary to enter the security code and
the emergency state can be reset by entering *8#. When entered correctly, the
emergency state reset is confirmed by 2 ok beeps, otherwise there will be an
error beep.
Important: Resetting the emergency state via the *8 function is only possible if
the *# function is set to “disconnecting” via configuration step 9918.
*9
Request alarm input state
1x ok beep ▸ alarm input inactive
2x ok beeps ▸ alarm input active
The alarm input state can be requested in all alarm input operations modes
(configuration step 17) except for operations mode 0 (inactive).
The following commands are only possible for universal devices:
*1
Activate MLM B (roof) if MLM B is not connected
=MLM for on top of the cabin, the integrated MLM is activated
*2 or *4
Activate MLM A (cabin) if MLM A is not connected
=MLM for inside the cabin, the integrated MLM is activated
*3 or *7
Activate MLM C (pit) if MLM C is not connected
=MLM for underneath the cabin, the integrated MLM is activated
