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3M™ Digital WallDisplay
© 3M 2005. All Rights Reserved.
Appendix
Input/Output Signal Specifications
Computer
Video Signal
Analog 0.7Vp-p, 75 Ohms
termination (positive polarity)
Horizontal Sync Signal
TTL Level (positive/negative
polarity)
Vertical Sync Signal
TTL Level (positive/negative
polarity)
Audio Input Signal
200m Vrms, 20k Ohms (Max
3.0Vp-p)
Audio Output Signal 0~200m Vrms, 1k Ohms
Video
S-Video
Luminance Signal 1.0Vp-p, 75 Ohms
Chrominance Signal 0.286Vp-p (color burst), 75 Ohms
Video Signal 1.0Vp-p, 75 Ohms
Audio Input Signal 200m Vrms, 20k Ohms
Computer Compatibility
Resolution Refresh Rate Horizontal Frequency
640x400
85 Hz 37.9 kHz
60 Hz 31.5 kHz
72 Hz 37.9 kHz
75 Hz 37.5 kHz
85 Hz 43.3 kHz
800x600
56 Hz 35.1 kHz
60 Hz 37.9 kHz
72 Hz 48.1 kHz
75 Hz 46.9 kHz
85 Hz 53.7 kHz
1024x768
60 Hz 48.4 kHz
70 Hz 56.5 kHz
75 Hz 60.0 kHz
85 Hz 68.7 kHz
1280x1024 60 Hz 64.0 kHz