3M™ Digital WallDisplayAppendix
Input/Output Signal Specifications
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| Video Signal | Analog |
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| termination (positive polarity) |
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| Horizontal Sync Signal | TTL Level (positive/negative |
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| Vertical Sync Signal | TTL Level (positive/negative |
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| Computer | polarity) |
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| Composite Sync Signal | TTL Level |
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| Audio Input Signal | 200m Vrms, 20k Ohms (Max |
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| Audio Output Signal | 0~200m Vrms, 1k Ohms |
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| Luminance signal: |
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| 75 Ohms |
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| Chrominance signal: |
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| Video |
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| Ohms |
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| Video Signal | 1.0 |
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| Audio Input Signal | 200m Vrms, 20k Ohms |
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Computer Compatibility
Resolution | Refresh Rate | Horizontal |
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| Frequency |
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640x400 | 85 Hz | 37.9 kHz |
640x480 | 60 Hz | 31.5 kHz |
640x480 | 72 Hz | 37.9 kHz |
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640x480 | 75 Hz | 37.5 kHz |
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640x480 | 85 Hz | 43.3 kHz |
800x600 | 56 Hz | 35.1 kHz |
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800x600 | 60 Hz | 37.9 kHz |
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800x600 | 72 Hz | 48.1 kHz |
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800x600 | 75 Hz | 46.9 kHz |
800x600 | 85 Hz | 53.7 kHz |
1024x768 | 60 Hz | 48.4 kHz |
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1024x768 | 70 Hz | 56.5 kHz |
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1024x768 | 75 Hz | 60.0 kHz |
1024x768 | 85 Hz | 68.7 kHz |
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1280x1024 | 60 Hz | 64.0 kHz |
© 3M 2003. All Rights Reserved. | 49 |