Inter phone SD-880R3S
Inter phone SD-880R3S
Handset
For communication with
the door-phone.
Stand-by switch
Control communication
Screen
4"display
Color image via SD-880RC2.
"Call" inner-calling button
with 2 or 3 inter-phones,
inner-calling be available
when press here.
Power light
Light on when power on.
Contrast adjuster
Volume adjuster
Speaker
Broadcast the
voice from the
visitor
Operate indicator
Light on when operating.
Brightness adjuster
"Monitor" button.
R1: Video input
R2: Ground
R3: Audio signal
R4: DC +14V out for door-phone
Off
R1 R2 R3 R4 L+ L
L-
R1 R2 R3 R4 L+
VIDEO GND AUDIO VCC LOCK
AC100-240V
SD-880R2
SD-880R3
Inter-phone terminals function:
Image impedance matching switch
AC100-240V
R1 R2 R3 R4 L+ L-
75
75
OFF
OFF
SD-920R1S
L+ : To electronic lock
L - : To electronic lock
Release Button
(1) Anode lock: releases the door
to let your visitors come in after
viewing them.
(2) Cathode lock: releases the door
to let your visitors come in after
viewing them and keep 5-8 seconds
