Table of Contents
Advertisement
5. Adjustment Procedure
Equipment Needed
Ÿ SIGNAL GENERATOR
Ÿ MULTIMETER
Ÿ SCREW DRIVER
Ÿ OSCILLOSCOPE
Ÿ Soldering IRON
Ÿ SOLDER
Ÿ VGA Cable (Black, 15pins point to point)
Burn-in pattern
If it is a new monitor, and in factory mode, if no VGA signal input, Burn-in pattern will self generate
automatically. Burn in patterns are: full Red, Green, Blue, White and Black. You can not escape from
Burn-in pattern until plug in VGA Cable, and then press the power key. Turn the monitor off and then
turn it on.
Auto Color (Automatically calibrate chip ADC parameter by using chip internal DAC)
If it is a new-built set and it is first time to do the "auto color", please confirm the following steps:
-Connect the VGA cable with the standard video pattern generator and display 16-gray pattern on
the monitor.
- Press "Power" to power off the monitor.
▲
▼
- Press" [ ] +[
- Press ' ' Menu[1]' ' , then press ' ' Auto[2]' ' to execute Auto color item.
- After the "Auto Color" process finished, please press "Power" to restart monitor.
EDID (Rewrite EDID data to EEPROM)
If we need to rewrite the EEPROM data, please confirm the following steps.
1. Plug in VGA Cable; we can rewrite the EDID data to EEPROM by using "EDID Rewrite" program.
2. If the "EDID Rewrite" process finished, please pull out VGA cable and press " 2 " +" "at the same
time.
3. Pull out AC power cable or press power key to restart.
ViewSonic Corporation
] +[ ] "simultaneously to enter factory mode.
Ÿ Color Analyzer
Ÿ ISP Board
Ÿ EDID Board
Ÿ FOXISP. EXE file
Ÿ EDID program file
Ÿ Power Adapter output 5V/2A
Confidential - Do Not Copy
27
▲
VA702-2_VA721-3_VA721b-3
Advertisement
Table of Contents
