
4. Operation Instructions
5. Setup Instructions
1) Door release function: When visitor calls from outdoor station, the monitor rings,
pick up handset to talk with the visitor, then press the Unlock button to open the door.
If the system connect 2 locks,press Unlock 2nd button to open the second door.
2) Inner call: Pick up handset, then press CALL button to activate the inner
call,all monitors connected to the system will ring at the same time. Pick up any
monitor,the others will stop ringing immediately.(note that the user code must be the
same for all monitors to activate the inner call function)
3) Door Bell Call Button:Additional door bell call button can be connected to the
Monitor, so that the visitors can ring the door bell again in front of the user’s apartment.
When the call button is pressed, the Monitor will output ring tones.
5.1 User Code Setting(DIP1 to set it)
In the DT system, every apartment must have a unique identication called User Code.
The DIP1 switches are used to congure the User Code for each Monitor.
• Bit-1~5 of DIP1 are used to User Code setting. The value is from 1 to 32, which
have 32 different codes for 32 apartments.
• Bit-6 of DIP1 is used to video match.
Bit state User Code Bit state User Code Bit state User Code
1 2 3 4 5 6
ON
Code=1
1 2 3 4 5 6
ON
Code=12
1 2 3 4 5 6
ON
Code=23
1 2 3 4 5 6
ON
Code=2
1 2 3 4 5 6
ON
Code=13
1 2 3 4 5 6
ON
Code=24
1 2 3 4 5 6
ON
Code=3
1 2 3 4 5 6
ON
Code=14
1 2 3 4 5 6
ON
Code=25
1 2 3 4 5 6
ON
Code=4
1 2 3 4 5 6
ON
Code=15
1 2 3 4 5 6
ON
Code=26
1 2 3 4 5 6
ON
Code=5
1 2 3 4 5 6
ON
Code=16
1 2 3 4 5 6
ON
Code=27
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EVD2-10IN