7. MAIN TECHNICAL PARAMETER
1)
Power supply for indoor monitor:
DC 15~18V (VT680/684/686/687 supplied by Adaptor)
AC 100~240V (VT680P/684P/686P supplied by SMPS)
2)
Power supply for outdoor station: DC 10~12V (Supplied by indoor monitor)
3)
Audio-phone (VT 672): DC10~12V (Supplied by indoor monitor)
4)
Power consumption: Standby 0.5W; Working status 15W (for kits)
5)
Indoor monitor screen: 4 inch B/W CRT or 4 inch color TFT
6)
Camera Lens: 3.6mm, 72 degree horizontal visual angle
7)
Resolution: >300 TV lines
8)
Video signal: 1Vp-p, 75
Ω
, CCIR standard
9)
Connection mode: 4 wire, polar
10)
Surveillance auto-off time: 30 seconds
11)
Talk auto-off time: 90 seconds
8. MAINTENANCE AND CARE INSTRUCTIONS
1)
All components should be protected from violence vibration. And not allow to be
impacted, knocked and dropped.
2)
To clean the Lens& Screen by using hands or wet cloth is forbidden.
3)
Please do the cleanness with soft cotton cloth, please do not use the organic or
chemical clean impregnant. If necessary, please use a little pure water or dilute soap
water to clean the dust.
4)
Image distortion may occur if the video door phone is mounted too close to magnetic
field e. g. Microwaves, TV, computer etc.
5)
Please keep away the video door monitor from wet, high temperature, dust, caustic
and oxidation gas in order to avoid any unpredictable damage.
6)
You must use the right adaptor which is supplied by the manufacture or approved by
the manufacture.
7)
Pay attention to the high voltage inside the products, please refer service only to a
trained and qualified professional.
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