IC Realtime Combo Series: 8 Channel DVR with built-in 19 LCD monitor - Manual (Page 25)

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The signal line and shielded wire should be fixed firmly and in well connection. Avoid dry joint,
lap welding and oxidation.
BTTTB
Figure 3-2
3.6.2 Connecting Video Output
Video output includes
T
BNC(PAL/NTSC BNC（1.0VP- P， 75Ω）output and HDMI output.
System supports BNC and HDMI output at the same time. See
X284H284H284H
Figure 3-3.
When you are using pc-type monitor to replace the monitor, please pay attention to the following
points:
Using TV as video output device is not a reliable substitution method. You also need to reduce
the working hour and control the interference from power supply and other devices. The low
quality TV may result in device damage.
Figure 3-3
3.7 Connecting Audio Input & Output, Bidirectional Audio
3.7.1 Audio Input
These series products adopt BNC port.
Due to high impedance of audio input, please use active sound pick-up. See
X285H285H285H
Figure 3-.4.
Audio transmission is similar to video transmission. Try to avoid interference, dry joint, loose
contact and it shall be away from high tension current.