3.3.4 Signal Timing
3.3.4.1 User Timing Mode memory
always do auto image adjust after timing mode change
3.3.4.2 Timing mode Change
maximum time for mode Change with auto image adjust 7 sec.
3.3.4.3 Signal Timing Table
The factory test input video signal is defined as the following table:
Preset H.sync V.sync SYNC POL. Video Mode Description
No. Frequency Frequency H-
SYNC
V-
SYNC
MOD [1] 31.468 1.0KHz 70.0 1.0Hz + - 640X350(70) Text mode
MOD [2] 31.468 1.0KHz 70.0 1.0Hz - + 720X400(70) Dos text
MOD [3] 31.468 1.0KHz 59.94 1.0Hz - - 640X480(60) VESA STANDARD
MOD [4] 35.01 1.0KHz 66.67 1.0Hz - - 640X480(66) MAC
MOD [5] 37.86 1.0KHz 72.81 1.0Hz - - 640X480(72) VESA STANDARD
MOD [6] 37.5 1.0KHz 75.0 1.0Hz - - 640X480(75) VESA STANDARD
MOD [7] 43.27 1.0KHz 85.0 1.0Hz - - 640X480(85) VESA STANDARD
MOD [8] 35.16 1.0KHz 56.25 1.0Hz + + 800X600(56) VESA STANDARD
MOD [9] 37.88 1.0KHz 60.32 1.0Hz + + 800X600(60) VESA STANDARD
MOD [10] 48.077 1.0KHz 72.19 1.0Hz + + 800X600(72) VESA STANDARD
MOD [11] 46.875 1.0KHz 75.0 1.0Hz + + 800X600(75) VESA STANDARD
MOD [12] 53.67 1.0KHz 85.0 1.0Hz + + 800X600(85) VESA STANDARD
MOD [13] 49.72 1.0KHz 74.5 1.0Hz - - 832X624(75) MAC
MOD [14] 48.363 1.0KHz 60.0 1.0Hz - - 1024X768(60) VESA STANDARD
MOD [15] 58.01 1.0KHz 72.08 1.0Hz - - 1024X768(72) VESA STANDARD
MOD [16] 60.023 1.0KHz 75.0 1.0Hz + + 1024X768(75) VESA STANDARD
MOD [17] 68.67 1.0KHz 85.0 1.0Hz + + 1024X768(85) VESA STANDARD
MOD [20] 63.981 1.0KHz 60.02 1.0Hz + + 1280X1024(60) VESA STANDARD
MOD [21] 79.976 1.0KHz 75.0 1.0Hz + + 1280X1024(75) VESA STANDARD
3.4 Luminance Control
Analog signal (6500K)
over 200 cd / m2(@ Cont / Bright max)
3.5. Synchronization
Horizontal: 30 to 82 kHz
Vertical: 50 to 85 Hz Non-interlaced
maximum 75Hz @ 1280 x 1024 mode
Recommended 60Hz @ 1280 x 1024 mode
ViewSonic Corporation Confidential – Do Not Copy VG800b
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