Central Control System,CH-2800

VGA PartInput Port VGA*3(Audio switch synchroniously) Output Port VGA*2(with long-cable driving and preview function) Support resolutions VGA/XGA/SXGA/QXGA Belt width 440MHz B/C Interference -50dB@5MHz Differential Phase I/OS <1.28 degree,3.58MHz Differential Gain Mismatches 0.1%,3.58-4.43MHz Audio PartsCable microphone input ×1 Wireless microphone input ×1optional In Port AUDIO IN×6 Out Port Port 13.5,Port 2 amplifier Frequency response 20Hz20kHz +1/-3dB Stereo channel isisolation >80dB@1kHz Gain error ±0.1dB Visual PartsInput Port VIDEO×2 Output Port VIDEO×1 I/O Impedance 75Ω Brightness Chroma Interference <-80dB@100KHz,fully loaded Return Loss -30dB@5MHz bandwidth 100MHz Other Output PortsProjector/rear projection power output ×1 The front panel power output ×1 Screen control power output ×1 Curtain switch control power output ×1 Lighting circuit power output ×2 Programing RS-232 Port ×1 PC RS-232 Port ×1 Porjector RS-232 port ×1 Programmable infrared emission interface ×2 U-key electronic interface ×1 Switch-computer interface ×1 Stereo radio inputs ×1 RJ45 cable accessfront/back ×1 USB accesfront/back ×1 Network control port ×1optional MeasurementThe external dimensions 255×150×180mm Opening Dimensions (L × W) 240×135mm Weight2KgEnvironmentPower Supply 220V±10% & DC 12V 3A Power Consuming 20W(not including projector & screen power)