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www.cusamintercom.com
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Description
Description
Description
Description
of
of
of
of
indoor
indoor
indoor
indoor
phone
phone
phone
phone
Location
Description
Function
1
4
″
/7
″
Indoor phone Screen
Identify Visitor
2
Power Light
Indicates Power On
3
Monitor
Button
View Picture On
Indoor phone
4
Call/Alarm( Alarm may
choose ) Button
Activate Alarm
5
Unlock Button
Operate Electric Door
Lock
6
Microphone
Speak to Visitor
7
Talk Button
Telephone conversation
8
Brightness
Adjust brightness of
Indoor phone
9
Contrast Adjustment
Adjust contrast of
Indoor phone
10
Receiver
Listen to Visitor