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The High Speed Dome Controlling Keyboard is a unit used to work in DVR mainframe, embedded DVR, directly control terminal receiving devices, such as high/constant speed dome cameras, decoders, etc. The electric port between the controlling keyboard and the receiving terminal is EIA/RS – 485, which enables the keyboard to control as many as 127 speed dome cameras or decoders, within the maximum communication range of 1.5 Km. Conveniently to variable-speed dome cameras, constant Pan/tilt, lens, lighting and rain-damnification .etc .
II. Description of Main Functions and Features
1. Photoelectric insulated RS485 controlling mode is adopted for the output of the keyboard, which provides strong anti-jamming and long-distance transmission.
2. The address of the Speed Domes or Decoders can be set within the range of: 1~255.
3. Variable-speed operation can be applied to the built-in Pan/tilt of the Speed Dome through the keyboard.
4. Preset positions can be set up and previewed in Speed Dome through the keyboard.
5. Lens zooming, focus and iris can be manually controlled through the keyboard.
6. Joint-control can be realized by using the Controlling keyboard together with one DVR mainframe or built-in hard disk VCR.
7. LED digital displayer, 3D controlling joystick, DVR and built-in hard disk VCR panel controlling function
8. Baud rate of communication: 2400/4800/9600/19200 BIT/S
9. Distance of communication: 1200M(0.5MM twisted-pair)
10. Power supply: 9-12VDC 5W
11. Ambient Temperature: 0--+40℃
12. Relative Humidity: ≤90%RH
13. Dimension 330(L)*176.6(W)*112.5(H)(included joystick height)
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