DVR systems DVRxx04LE-A Series - Manual (Page 25)

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Figure 3-1
3.5.2 Connecting Video Output
Video output includes a
T
BNC(PAL/NTSC BNC（1.0VP- P， 75Ω）output , a VGA output and
one HDMI output.
The standard 1U series supports BNC, VGA and HDMI output at the same time. See Figure 3-2.
When you are using pc-type monitor to replace the monitor, please pay attention to the following
points:
z
To defer aging, do not allow the pc monitor to run for a long time.
z Regular demagnetization will keep device maintain proper status.
z Keep it away from strong electromagnetic interference devices.
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 3-2
3.6 Connecting Audio Input & Output, Bidirectional Audio
3.6.1 Audio Input
These series products adopt BNC port.
Due to high impedance of audio input, please use active sound pick-up. See Figure 3-3.