22
ViewSonic Corporation
Confidential - Do Not Copy
VA1703w-1_VA1703wb-1
5-2. Function Test and Alignment Procedure
●
Memory Recall
You should do “
Memory Recall
”
first. This action will allow you to erase all end-user’s settings and
restore the factory defaults.
●
Auto Image Adjust
Please select and enter “
Auto Image Adjust
”
function on Main Menu to see if it is workable.
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.
●
Firmware
Test Pattern: Burn In Mode ( Refer to Chapter 3-2. Short Cuts Function from the button(s) )
- Make sure the F/W is the latest version.
●
DDC
Test Pattern: EDID program
- Make sure it can pass test program.
●
Fine Tune and Sharpness
Test Signal: 1440x900 @ 60Hz
Test Pattern: Line Moire Pattern
- Check and see if the image has noise and focus performs well. Eliminate visual line bar.
- If not, readjust by the following steps:
(a) Select and enter “
Fine Tune
” function on “
Manual Image Adjust
” to adjust the image
to eliminate visual wavy noise.
(b) Then, select and enter “
Sharpness
” function to adjust the clarity and focus of the screen image.
●
Boundary
Test Signal: 1440x900 @ 60Hz
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 Size
” or “
Horizontal/Vertical Position
” function to adjust the video
boundary to be full scanned and within screen frame.
●
White Balance
Test Signal: 1440x900 @ 60Hz
Test Pattern: White and Black Pattern
●
R, G, B, Colors Contrast
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