Command and Response Table for SIS Commands
Command | ASCII Command | Response | Additional Description |
| (Host to Scaler) | (Scaler to Host) |
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Input Configuration |
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Input Video Format |
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View video format: | 1 * \ | X@ ] |
DSC |
| In verbose modes 2 and 3: |
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| Vtyp 1 * X@ ] |
View video format: | 1 * \ | X# ] |
DSC |
| In verbose modes 2 and 3: |
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| Vtyp 1 * X# ] |
View the detected input video format X@ of DSC
View the detected input video format X# of DSC
Input EDID (DSC HD-3G A Only)
Assign EDID to input | E A * X2! EDID } | Edid A 1 * X2! ] | Assign EDID resolution |
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| and refresh rate X2! to the |
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| DSC |
View assigned EDID | E A 1 EDID } | X2! ] |
data |
| In verbose modes 2 and 3: |
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| Edid A X2! ] |
View assigned EDID resolution and refresh rate X2! for the DSC
Auto-Image
Execute | A | Img ] | Perform an |
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| current input (follows current |
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| aspect ratio setting). |
Execute and Fill | 1*A | Img1 ] | Perform an |
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| entire display screen. |
Execute and Follow | 2*A | Img2 ] | Perform an |
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| follow the aspect ratio of the |
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| input. |
Active Pixels
View | E APIX } | X* ] |
In verbose modes 2 and 3:
Apix1 * X* ]
Show active pixels X* for the input. X* is 4 digits padded with zeros.
Active Lines
View | E ALIN } | X( ] |
In verbose modes 2 and 3:
Alin1 * X( ]
Show active lines X( for the input. X( is 4 digits padded with zeros.
NOTE: X@ | = | Input video format for DSC |
X# |
| 3 = HD: 480p, 576p, 720p, 1080i, 1080p (up to 30 Hz), 4 = 3G: 1080p (@50, 59.94, and 60 Hz), 2k |
= | Input video format for DSC | |
X* | = | Active pixels: For DSC |
X( | = | Active lines: For DSC |
X2! = | EDID emulations for DSC | |
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| 1 = Custom EDID 1, 2 = Custom EDID 2, 3 = Custom EDID 3, 9 = Match the input rate. |
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| For variables |
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DSC | 49 |