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X1& = Scaler resolution or EDID emulation:
0 = Automatic: match current output resolution (default for EDID emulation) OSD reads
“Match Output”
1
= Output #1 (HDMI connector — available for Export EDID commands only)
2 = Custom EDID or output rate #1
3 = Custom EDID or output rate #2
4 = Custom EDID or output rate #3
SIS variables for EDID resolution and refresh rate combination (where
X1& = 10 through 92)
Resolution 23.98 Hz 24 Hz 25 Hz 29.97 Hz 30 Hz 50 Hz 59.94 Hz 60 Hz 75 Hz
640x480 10 11 12
800x600 13 14 15
852x480 16 17 18
1024x768 19 20 21
1024x852 22 23 24
1024x1024 25 26 27
1280x768 28 29 30
1280x800 31 32 33
1280x1024 34 35 36
1360x765 37 38 39
1360x768 40 41 42
1365x768 43 44 45
1366x768 46 47 48
1365x1024 49 50 51
1440x900 52 53 54
1400x1050 55 56
1600x900 57 58
1680x1050 59 60
1600x1200 61 62
1920x1200 63 64
480p 65 66
576p 67
720p 68 69 70 71 72
73
*
1080i 74 75 76
1080p 77 78 79 80 81 82 83 84
2048x1080 2k 85 86 87 88 89 90 91 92
* Default output resolution
Figure 17. SIS Command EDID Table
X1* = Test patterns:
0 = Off (default)
1 = Crop
2 = Alternating pixels
3 = Crosshatch
4 = Color bars
5 = Grayscale
6 = Blue mode
7 = Audio Test (crop pattern, OSD text “Audio Test”, pink noise; Ch 1/2, 48 kHz, 24 bit)
X1( = User presets — 1 to 3 (for each input)
X2) = Input presets — 1 to 128 (global for device)
DSC 301 HD • SIS Communication and Control 23