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VG700b Series Service Manual
6-5
VG700b series
6-5
Function Test and Alignment Procedure
6-5.1
All Mode Reset
Input signal to VG700b, turn off the power of VG700b. Press ,
and Power on buttons on the select knob simultaneously for 3-5
seconds, release Power on button first, then else buttons. The screen
will show All Mode Reset. This action will allow you to erase all
end-users settings and restore the factory defaults.
6-5.2
Auto Image Adjust
Please select and enter Auto Image Adjust function on OSD
Main Menu or press
2
button directly. The Auto Image Adjust
function is aimed to offer a better screen quality by built-in ASIC. For
optimum screen quality, the user has to adjust each function manually.
6-5.3
Fine Tune
Test Signal:
1280*1024@75Hz
Test Pattern:
Line Moire Pattern
*
Check and see if the image has noise and focus is well performed.
*
If not, readjust by the following steps:
a.) Select and enter Manual Image Adjust function on OSD Main Menu.
b.) Then, select and enter Fine Tune function to adjust the image to
eliminate visual noise.
6-5.4
Boundary
Test Signal:
1280*1024@75Hz
Test Pattern:
Horizontal & Vertical Line Thickness Pattern
*
Check and see if the image boundary is within the screen frame.
*
If not, readjust by the following steps:
a.) Select and enter Manual Image Adjust function on OSD Main Menu.
b.) Then, select and enter Horizontal/Vertical Position or
Scaling\Fit All function to adjust the video Boundary to be full
scanned and within screen frame.
ViewSonic Corporation
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VG700b