Central Control System, education equipment, office supply, CH2800

VGA Part

Input Port

VGA*4(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 Parts

Cable microphone input

×1

Wireless microphone input

×1 optional

In Port

AUDIO IN×6

Out Port

Port 13.5,Port 2 amplifier

Frequency response

20Hz-20kHz +1/-3dB

Stereo channel is isolation

>80dB@1kHz

Gain error

±0.1dB

Visual Parts

Input 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 Ports

Projector/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

×1

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

×1 optional

Measurement

The external dimensions

255×150×180mm

Opening Dimensions (L × W)

240×135mm

Weight

2Kg

Environment

Power Supply

220V±10% & DC 12V 3A

Power Consuming

20W(not including projector & screen power)