Service manual

IMAGE PERFORMANCE
Factory Defaults
Item Defaults Item Defaults
Contrast 70% OSD H. Position 50%
Brightness 100% OSD V. Position 50%
Color Temperature 6500K OSD Time Out 15 Sec
Sharpness 33% OSD Background On
720x400/640x400 720x400 Resolution Notice Enabled
Luminance
Lv (Max) –
Condition:
Contrast = 100%
Brightness = 100%
Color Temperature = 6500K
Same as the Luminance in section
4-7 “TFT LCD PANEL”
Lv (Def) –
Condition:
Contrast = Default
Brightness = Default
Color Temperature = 6500K
Lv (Def) / Lv (Max) x 100%
≧ 85%
Display Size
Horizontal Display Size, Primary Preset Full Screen
Vertical Display Size, Primary Preset Full Screen
Saturation
Contrast = Default
Brightness = Default
Test Pattern = 32-Gray
No visible saturation
Contrast = 100%
Brightness = 100%
Test Pattern = 32-Gray
6 – 8 level saturation (Max)
Preset Color Temperatures
SRGB It should meet IEC 61966-2-1 (1999-10) standard
Preset 1 9300K
CCT (Max) = 10250K.
CCT (Min) = 8500K
Wx= 0.283 +/- 0.02,
Wy= 0.298 +/- 0.02
Preset 2 6500K (Primary)
CCT (Max) = 6950K
CCT (Min) = 6100K
Wx= 0.313 +/- 0.02
Wy= 0.329 +/- 0.02
Preset 3 5400K
CCT (Max) = 5915K
CCT (Min) = 4935K
Wx= 0.335 +/- 0.02
Wy= 0.350 +/- 0.02
Preset Color Temperature
Adjustability
Each color preset shall be adjustable. Red, Green,
and Blue shall be individually controlled.
ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1
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