Cusam Coding Intercom User Manual page 11

displays the image automatically. Pressed the unlock button which control
the electronic lock of the front gate after confirming the visitor. And the
image will shut-off automatically after hanging off the phone. If the coding
is 3 and 4 dialing mixly, for example: you can dial 101 or 0101 either.
2. 2. 2. The gate will be shut off by the closing machine automatically after
the visitor entering into the door.
3. 3. 3. The system may maintain the work by the reserving power source
when the power is off,
4. 4. 4. The resident can press "monitor" if he wants to monitor the situation
downstairs, and the picture of downstairs will show on the screen of the
indoor phone in the room, it will be shut-off automatically about 15 seconds
later.
5. 5. 5. There are three potentiometers in the door station, which are "the
mainframe", " the extension phone" and "the balance". "The mainframe"
uses to adjust the volume of the door station; "The extension phone" uses to
adjust the volume of indoor phones, which limits in some range, and don't
attempt to adjust the volume of indoor phone and break potentiometer; "The
balance" use to eliminate the sidetone.
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