The DVR keyboard can be used simultaneously with the DVR mainframe and built-in hard disk VCR to control matching terminal products, such as high/constant- speed dome cameras, decoders, etc. The electric outlet between the controlling keyboard and the receiving terminal is EIA/RS – 485, which enables the keyboard to control as many as 128 dome cameras or other terminals within a maximal communication range of 1.5 Km.

• LCD display, as man-machine interface, LCD display board is more intuitionist, convenient, each to understand, plentiful information, etc.
• In-built multi-protocol: Pelco-D, Pelco-P, Pelco-D1, Pelco-P1, New
  maximum 1.5KM** (4900ft) long communication distance, ideal for applications where a Gate House or Security Lodge is located a distance from the installed unit.
• Can be combined to control the PTZ camera with a Stand alone DVR
• Maximum controllable 128 units PTZ cameras
• The keyboard output adopts photoelectric insulated 485 control, which provides strong anti-jamming and long-range transmission.
• The range for dome camera or decoder address setup: 1~255.
• Variable-speed operation can be applied to the built-in dome of the high speed dome camera.
• Pre-set positions can be setup and previewed in the high speed dome camera.
• Up to 4 tour routes can be setup and previewed in the high speed dome camera, with each tour having a maximum of 16 pre-set positions, dwell time and speed for each pre-set positions programmable.
• The high speed dome camera can be manually / automatically controlled.
• Lens zoom ratio, focus and IRIS can be manually controlled.
• More than one terminals , such as dome cameras and decoders, can be controlled.
• Control can be realized by simultaneously using the DVR keyboard with one DVR mainframe or built-in hard disk VCR