User manual
V1.01
9
2-4 4CH REAR PANEL CONNECTORS
○
1
MAIN monitor
BNC port for the main monitor.
○
2
SPOT monitor
BNC port to display full screen image of all installed cameras
in sequence.
○
3
VIDEO IN
BNC input ports for cameras, 4 in total.
○
4
AUDIO IN
RCA input port for audio signal. There are 4 ports available.
(corresponding to channel 1 to 4)
○
5
AUDIO OUT
RCA output port for audio signal.
○
6
VGA
VGA port
○
7
EXTERNAL I/O
EXTERNAL I/O port (see below for pin definition)
○
8
LAN
Network port
○
9
NTSC/PAL Switch
Switch between NTSC and PAL format.
⑩ DC 12V
Socket for a DC 12V input.