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Appendix A – Scan Rate Specifications
NTSC MODE
Line Double Frame Double 800x600 720P 1024x768 Quad 1280x1024 1080P 1080i
Horizontal Frequency (KHz) 31.468 62.938 37.76 44.95 48.31 62.94 63.89 67.43 33.715
Vertical Frequency (Hz) 59.94 119.88 59.94 59.94 59.94 59.94 59.94 59.94 59.94
Scan Type Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Interlaced
H Sync Polarity Negative Negative Positive Negative Negative Negative Negative Negative Negative
V Sync Polarity Negative Negative Positive Negative Negative Negative Negative Negative Negative
Tri-level sync on Y/G NO NO NO Select NO NO NO NO Select
Bi-level sync on Y/G Select Select Select NO Select Select Select Select NO
PAL MODE
Line Double Frame Double 800x600 720P 1024x768 Quad 1280x1024 1080P 1080i
Horizontal Frequency (KHz) 31.254 62.5 31.254 37.5 40.3 62.5 53.3 56.25 28.125
Vertical Frequency (Hz) 50 100 50 50 50 50 50 50 50
Scan Type Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Interlaced
H Sync Polarity Negative Negative Positive Negative Negative Negative Negative Negative Negative
V Sync Polarity Negative Negative Positive Negative Negative Negative Negative Negative Negative
Tri-level sync on Y/G NO NO NO Select NO NO NO NO Select
Bi-level sync on Y/G Select Select Select NO Select Select Select Select NO
Computer/HDTV Pass-Through Mode
800x600 800x600 800x600 1024x768 1024x768 1024x768 1280x1024 1280x1024 1280x1024 1600x1200 1600x1200 1600x1200
Horizontal Frequency (KHz) 37.879 46.875 53.674 48.363 60.263 68.677 63.981 79.976 91.146 75 93.75 106.25
Vertical Frequency (Hz) 60 75 85 60.004 75.029 84.997 60.02 75.025 85.024 60 75 85
Scan Type Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog. Prog.
H Sync Polarity Positive Positive Positive Negative Positive Positive Positive Positive Positive Positive Positive Positive
V Sync Polarity Positive Positive Positive Negative Positive Positive Positive Posiitive Positive Positive Positive Positive
Computer / HDTV Pass-Through Mode
(Continued)
Custom 1 Custom 2 720p 1080i
Horizontal Frequency (KHz) 44.95 33.715
Vertical Frequency (Hz) 59.94 59.94
Scan Type Prog. Prog. Either Interlaced
H Sync Polarity Negative Positive Negative Negative
V Sync Polarity Positive Negative Negative Negative
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