19
Figure 2-20
Figure 2-21
2.6.2
Audio/Video Output
Video output
Video output includes CVBS(PAL/NTSC
1.0V
P-P
，
75Ω
）
output and a VGA output.
When you are using pc-type monitor to replace the monitor, please pay attention to the following
points:
To defer aging, do not allow the pc monitor to run for a long time.
Regular demagnetization will keep device maintain proper status.
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.
Audio Output
The audio output signal parameter is usually over 200mv 1KΩ. It can directly connect to low
impedance earphone, active sound box or amplifier-drive audio output device.
Please refer to Figure 2-22. It is for audio and video output.
Figure 2-22
