ViewSonic VP2030b-1 Service Manual page 32

Primary Presets
1600x1200 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration
Changing Modes
¡´ Maximum Mode Change Blank Time for image stability : 3 seconds (Max), excluding "Auto Adjust" time
¡´ Under DOS mode (640 x 350, 720 x 400 & 640 x 400), it should recall factory setting when execute
"Auto Adjust"
¡´ The monitor needs to do "Auto Adjust" the first time a new mode is detected
(see section "0-Touch™ Function Actions" )
¡´ While running Change Mode, Auto Adjust or Memory Recall, the image shall blank
3. Test pattern
Item Test condition
1 Frequency & performance
2 Monitor saturation
3 RGB color performance
4 Sub-pixel defect
5 Full white
6 Full black
7. 5-cycle pattern
8. 1-dot pattern
Viewsonic Corporation
Pattern
Cross-hatch pattern No noise is allowed, all colors must
be clear
16-gray scale pattern 3 to 4 levels must be saturated when
brightness and contrast are set to
100%
RGB color Check the color temperature of
RGB signal color
RGB color Check the sub-pixel defect
Full white Check the brightness and contrast
ratio, and check for bright pixel
defects
Full black
5-cycle pattern Check the BU
1-dot pattern Check the flicker
29 Confidential - Do Not Copy
Specification Remark
Pattern 1
Pattern 2
Pattern 3,
4, 5
Pattern 3,
4 , 5
Pattern 6
Pattern 7
Pattern 8
Pattern 9
VP2030b-1