Product Description Feature: 1. Support PELCO matrix 2. Support 4 keyboards linkage, each keyboard can support 32 domes at most 3. According to ergonomics design, it is used expediently and comfortably 4. LED with back-light, an display command menu, protocol, current camera ID, output display ID and joystick status 5. Three axis joystick, can control the speed of pan/tilt and lens magnification 6. Built-in multi-protocol, Baud rate can be selectable 7. Support all the shortcut key of the dome to handle
