PRODUCTS > LCD Open Frame Monitor > CH-778-201A
Configuration CH-778-201A
20.1" TFT-LCD With CGA open frame Monitor
LCD Displayˇ@ 20.1" TFT active matrix panel
Display Sizeˇ@ 408.0(H)x306.0(V) mm
Pixel Pitchˇ@ 0.255(H)x0.255(V) mm
Max. Resolutionˇ@ 1600x3(RGB)x1200
Contrast Ratioˇ@ 800ˇG1 (Typ)
Brightnessˇ@ 300 cd/m2 ( center, Typ ) @7.5mA
Response Timeˇ@ 6(Typ, on/off)
Display Colorˇ@ 16.7M (RGB 6-bit data + FRC data) msec
Viewing Angle L/R +80˘X ~-80˘X
ˇ@ U/D +80˘X ~-80˘X
Scan & Frequency Scan Horizontal: 15K-60K
ˇ@ Frequency Vertical: 48-75Hz
Video Input for PCˇ@ RGB TTL & RGB analog 0.7V peak to peak
Sync Input For PC H + V (positive or negative)
H / V (positive or negative)
H XOR V (positive or negative)
SERR (positive or negative)
SOG(SYNC ON GREEN)
Display Mode CGA 640x215 (50/53/57/61/62/63 Hz)
EGA 604x436 (57 Hz)
EGA 750x350 (57/60/61 Hz)
VGA 720x400 (70 Hz)
VGA 640x480 (60/70/72/75 Hz)
SVGA 800x600 (56/60/72/75 Hz)
XGA 1024x768 (60/70/75 Hz)
SXGA 1280x1024 (60/75 Hz)
Signal Connector Analog D-sub 15 pin
TTL 6 Pin Connector
Control Setting Power on/off with LED, Menu, Sel+,Sel-, Vol+,Vol-,SRC/ESC
Plug & Playˇ@ DDC1/2B compatible
Power Inputˇ@ AC 100~240V, 50~60Hz; Output DC 12V / 5A
Operating Temperature 0oC-40oC
Conditions Humidity 20%-80% (no condensation)
ˇ@ Altitude To 10,000 feet
Storage Temperature -20˘XC-60˘XC (-4˘XF-140˘XF)
Conditions Humidity 10%-90% (no condensation)
Optional Moduleˇ@ Adjustable arm
Panelˇ@ AUO RoHS compliance
Additional Feature Open Frame / Touchscreen
Dimensions (LxWxH mm)ˇ@ ˇ@
Gross Weight ( Kg) for 2 sets ˇ@
CH-778-201A
20.1" TFT-LCD CGA open frame Monitor

Cheng Hong Electronics Co., Ltd.
9F-1 No. 306, Ta Tung Road, Sec. 1, Hsi Chih. Taipei Hsien, Taiwan
Tel : +886-2-2641-7329     Fax : +886-2-2641-7325
E-mail :
rodotron@ms34.hinet.net ; rodotron@rodotron.com.tw