VGA to CGA Converter
GBS-8100 Ver. 2
Manual
Page 1
VGA to CGA Converter
GBS-8100 Ver. 2
INDEX
Page
1. DESCRIPTION / INCLUDED ITEMS . . . . . . . . . . . . . . . . . . . 3
2. FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. APPLICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. ITEMS INCLUDED WITH PRODUCT . . . . . . . . . . . . . . . . . . . 3
5. GBS-8100 V2 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . 4
6. OPERATION MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7. SPECIFICATIONS & DETAILED DISPLAY FUNCTIONS . . . . 6
8. FAQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
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VGA to CGA Converter
GBS-8100 Ver. 2
DESCRIPTION
CGA,EGA,RGB TO VGA GAME
The high denition converter GBS-8200 is a professional game & playstation display converter. It supports all
major games (Play Station, Xbox.etc) converts to CRT monitors, LCD monitors, PDP monitors. It features an
Auto scan CGA/EGA/YUV signal function, and as well has VGA output with a high resolution signal.
2. FEATURES
A. Supports CGA/EGA/YUV signal input
B. Support VGA output 640x480, 800x600, 1024x768, 1360x768
C. CGA/EGA signal autoscan (15K, 24K, 31K)
D. YUV signal auto scan (480i, 576i, 720i, 1080i, 480p, 576p, 720p, 1080p)
E. Chinese and english OSD
F. Supports position control & zoom control.
G. True digital 24-bit A/D converter for true 16.7 million color conversion
H. Supports all VGA monitor (CRT/LCD/PDP/PROJECT)
3. APPLICATIONS
- Upscaling and downscaling between different resolutions
- On board autoscan functions
- 15K, 31K, CGA/EGA/YUV switch to VGA
- 15K, 31K, RGBS switch to VGA
- CGA/EGA
- CGA
- EGA
- 24K switch to 31K
- CGA switch to VGA
- EGA switch to VGA
4. ITEMS INCLUDED WITH PRODUCT (Some models may vary)
Item Qty Remarks
Game Display Converter 1
2 Pin Power Cable
1 DC 5V/1A
8 Pin Flat Cable 1
User’s Manual
1
English
Page 3
VGA OUTPUT
VGA to CGA Converter
GBS-8100 Ver. 2
Wiring Diagram
VGA INPUT
S-VIDEO OUT
5 PIN CGA/RGBS OUTPUT
COMPOSITE VIDEO OUT
BARREL JACK 5V DC IN
RIGHTUPDOWN LEFT MENU
SCREEN POSITION ADJUSTMENT BUTTONS
TWO PIN 5V DC IN
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VGA to CGA Converter
GBS-8100 Ver. 2
GBS-8100
BUTTON LAYOUT
RIGHTUPDOWNSW1 LEFT MENU
SCREEN POSITION ADJUSTMENT BUTTONS
6. OPERATION MENU
A. “MENU” opens the OSD menu and also acts as the “Enter/Select” button.
B. “UP” moves the screen up.
C. “DOWN” moves the screen down and can also decrease the image size.
Pressing this button once will cause and auto scan CGA/EGA signal.
Pressing and holding the button for 5 seconds and releasing it will reset the system.
Note: This operation is invalid when you open OSD menu.
D. “LEFT” increases.
E. “RIGHT” decreases.
F. “S1” switch is for switching between NTSC to PAL signals.
G. For more functions and optional controls see additional options shown within the OSD menu.
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7. SPECIFICATIONS & DETAILED DISPLAY FUNCTIONS
A. Power
DC 5V 2A +/- 0.5V
B. CGA/EGA
14.5V - 16.5K
23.5V - 25.5K
30.5V - 32.5K
AUTO SCAN
C. RGBHV
30.5V - 32.5K
AUTO SCAN
VGA to CGA Converter
GBS-8100 Ver. 2
D. VGA
30.5V - 32.5K
AUTO SCAN
E. YPBPR
480i, 576i, 720i, 1080i
AUTO SCAN
F. INPUT SIGNAL
YCBCR
480i, 576i, 720i, 1080i
AUTO SCAN
G. OUTPUT SIGNAL
VGA
640x480, 800x600, 1024x768, 1360x768
H. USER CONTROL
Input Switch, Image Zoom, Image Position
Output Resolution R/G/B gain adjust.
Menu Key
R/G/B
I. DIMENSIONS: 115x105x20mm (4.5” x 4.13” x 0.75”) (Some models may vary.)
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VGA to CGA Converter
GBS-8100 Ver. 2
8. FAQ
Q. No image or signal going to the screen.
A. Check the cable on both ends. Make sure both ends are connected securely. Check that the screen in switch
on and power is going to it. If you see the message “No signal” on the screen, press the “SW” button to change
the input signal type.
Q. “Input not supported” message or similar shown on screen.
A. This message indicates that the resolution may be set too high and may have to be lowered. Holding down
the “DOWN/AUTO” over 5 seconds and releasing will cause a reset back to 800x600.
Q. Image on screen is not completely lling the display area.
A. Use the OSD menu to adjust the position and size of the image to t the screen more accurately.
Q. The image is shaking or sometimes freezes.
A. Press the DOWN/AUTO button. This should cause an auto scan input signal and correct the image on
screen.
Q. Screen has black areas, or the screen is very dark to almost black.
A. Adjust the “Clamp sp” and “Clamp st” settings. Keep the “Clamp st” lower than “Clamp sp”
Q. Image colors are incorrect.
A. Adjust the R/G/B VR settings.
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