Channel Settings Door Unit (Only For Door Units With A Single Doorbell Button (1)); Channel Settings Handset - Marmitek DOORPHONE 120 Modo De Empleo

3.1 Channel settings door unit (only for door units with a single doorbell button (1)):

A
1. Loosen the 4 screws of the aluminium front panel using the supplied screwdriver. These
screws have been designed such that they can only be loosened with this special tool,
which is to prevent sabotage or theft. Keep this tool at a safe place.
2. Remove the aluminium front panel (Figure 2A).
3. Open the battery compartment by removing the rubber seal (Figure 2B).
4. You will now see the channel select dipswitches 1 and 2 (6). You can select the desired channel
with the use of a pointed instrument such as a pen or a small screw driver (Figure 2C).
5. Dipswitch 3 shall be taken up in the next chapter.

3.2 Channel settings handset:

A
1. Remove the battery cover by pressing on the cover lock (23) and extract the battery pack
(Figure 3A).
2. You will now see the channel select dipswitches 1 and 2 (19). You can now select the desired
channel with the use of a pointed instrument such as a pen or a small screw driver.
3. Set the dipswitches on the same position as that of the door unit (Figure 3C). Beware!
Wrong settings will result in the failure of the handset and door unit to communicate with
each other. Dipswitch 3 should always be set on the 'OFF' position. Dipswitch 4 will be
taken up later on.
DOORPHONE 120™
B
B
C
Figure 2
C
Figure 3
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