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Changing the ring tone for
apartment calls
Press the ring tone key continuously and then
briefly press the open door key within 2 seconds.
With every press of the open door key, you will
hear a different tone. When you hear the desired
tone, release both keys.
You can choose from 8 different ring tones.
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Changing the ring tone for
floor calls
Press the ring tone key continuously and, within 2
seconds, also press the open door key without
releasing it. Wait until you hear the desired ring
tone. Release both keys.
You can choose from 4 different ring tones.
Modifying the volume of the ring
tone
Press the ring tone key continuously until the
desired volume has been reached.
You can set the volume to 5 levels.
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Light key and special key
The special key “S” is used to activate the switch
actuator 4507. The light key is normally used to
switch the switch actuator 4507. As an option, this
key can also be configured as a potential-free
contact. If you would like the "potential-free con-
tact" option, please notify us when you place your
order.
Press the required key until you hear a confirma-
tion tone.
English