ViewSonic VA703b-4 - ELECTRICAL REQUIREMENT

ViewSonic Corporation 8 Confidential - Do Not Copy VA703b-4_VA703m-4
2-4 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
30 – 82 kHz
Vertical Refresh Rate
50 – 85 Hz.
Maximum Pixel Clock
135 MHz
Sync Polarity Independent of sync polarity.
Timing Table
Item Timing Analog
1 640 x 350 @ 70Hz, 31.5kHz
Ye s
2 640 x 480 @ 50Hz, 24.68KHZ
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3 640 x 480 @ 60Hz, 31.5kHz
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4 MAC 640 x 480 @ 67Hz, 35.0kHz
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5 640 x 480 @ 72Hz, 37.9kHz
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6 640 x 480 @ 75Hz, 37.5kHz
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7 640 x 480 @ 85Hz, 43.27kHz
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8 720 x 400 @ 70Hz, 31.5kHz
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9 800 x 600 @ 56Hz, 35.1kHz
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10 800 x 600 @ 60Hz, 37.9kHz
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11 800 x 600 @ 72Hz, 48.1kHz
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12 800 x 600 @ 75Hz, 46.9kHz
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13 800 x 600 @ 85Hz, 53.7kHz
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14 MAC 832 x 624 @ 75Hz, 49.7kHz
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15 1024 x 768 @ 60Hz, 48.4kHz
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16 1024 x 768 @ 70Hz, 56.5kHz
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17 1024 x 768 @ 72Hz, 58.1kHz
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18 1024 x 768 @ 75Hz, 60.0kHz
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19 1024 x 768 @ 85Hz, 68.67KHZ
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20 1152 x 864 @ 75Hz, 67.5KHZ
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21 MAC 1152x870@75HZ, 68.68KHZ
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22 1280 x 960 @ 60Hz, 44.93KHZ
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23 1280 x 960 @75Hz, 56.25KHZ
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24 1280 x 1024 @ 60Hz, 63.98KHZ
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25 1280 x 1024 @ 75Hz, 79.97KHZ
Ye s
*1. Tolerance ≧ ± 2kHz.
*2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without blanking.
*3. The image quality of 85Hz mode might be worse than 75Hz.