Specifications
www.cusamintercom.com
4
1.2 Description of indoor 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










