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4. Operating Instructions
Function
Button
Procedure
Accept call
Pick up the receiver after the unit has been rung.
Turn ringer on/off
You can only turn off the ringer on models HT4500-x-MS. These intercoms
have slider switch above the button. Push the slider switch to “OFF” to turn
off the ringer. To turn the ringer back on, set the slider switch to “ON”.
Open door
If the device is rung, the door can be opened within 2.5 minutes using the
open door button.
Automatic door opening
Automatic door opening is only possible on models HT4500-x-MS-ATÖ.
These intercom units have a slider switch under the button. Set the slider
switch to “OFF” to activate automatic door opening. The ringer is turned off.
Change house call tune
+
Push the sound button and then quickly push the open door button within 2
seconds. A different tune will sound with each push of the button. When the
desired tune plays, release both buttons. 8 different buttons are available.
Change floor call tune
+
Push the sound button and then quickly push the open door button within 2
seconds. A different tune will sound with each push of the button. Wait until
the desired tune plays, then release both buttons.
There are 4 different floor call tunes.
Change ring volume
Push the sound button until the desired volume is reached. There are five
different sound settings to select from.
Light and special button
+
Only on the HT4500-4. The
special button “S” is used standard for switching
in combination with a switching actuator 4507. Furthermore, pressing the
light button closes an internal potential-free contact at the intercom unit. The
light button can be used optionally to switch the switching actuator. Please
indicate if you want to use this option when ordering.