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20" LCD Color Monitor
DDC instruction
General
DDC Data Re-programming
In case the main EEPROM with Software DDC which store all factory settings were replaced because a defect
repaired monitor' the serial numbers have to be re-programmed.
It is advised to re- soldered the main EEPROM with Software DDC from the old board onto the new board if circuit
board have been replaced, in this case the DDC data does not need to be re-programmed.
Additional information about DDC (Display Data Channel) may be obtained from Video Electronics Standards
Association (VESA). Extended Display Identification Data (EDID) information may be also obtained from VESA.
1. When does the part, need the tools as follow:
a. An i486 (or above) personal computer or compatible.
b. Microsoft operation system Windows 95/98/2000/XP.
c. "PORT95NT.exe, TPVDDC.exe" program.
d. EDID BOARD (x1), Printer cable(x1), VGA cable (x1), Power cord (x 2), 12V DC power source.
2. Install the "PORT95NT.EXE", and restart the computer.
The process of installing "PORT95NT" has been specified in, so it will not be specified again. If you have any
problem, please read it.
3. Connect the DDC Board as follow:
When you write analog
EDID, Connect this port
Note:
1. The monitor must be power on.
2. Turn off the monitor, keep pressing the "MENU" + "ENTER" buttons, and turn on the monitor, then when we
press the AUTO button, the factory OSD will be at the left top of the panel as below, set the WP "Off ".
15
BenQ G2020HDA
Connect to
the PC LPT
12V DC Input
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