75 OHM Switch (DH230 16-channel models only / DH250)
The 75 OHM switch on the back panel of the monitor allows the DVR to compensate for over or
under exposed images when connecting monitors to the Loop Out monitor (CAMERA OUT port).
DH230
CAMERA OUT port
(Connect a octopus
cable to connect
loop out monitors)
DH250
Channels 1~8
• When connecting monitors to the CAMERA OUT port, push the desired switches in the up or
down position to set the voltage impedance.
Channels 1~8
Channels 8~16
Appendix G: Connecting Additional External Monitors
Channels 8~16
CAMERA OUT
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