Command and Response Table for SIS Commands
Command | ASCII Command | Response | Additional Description |
| (host to unit) | (unit to host) |
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Video Mute |
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Video mute single output | X!*X@B | VmtX!*X@] | Set video mute status (X@) for output (X!). |
Video mute all outputs | X@B | VmtX@] |
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Query video mute status | B | VmtX@•X@] |
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Audio Mute |
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Audio mute single output | X!*X@Z | AmtX!*X@] | Set audio mute status (X@) for output (X!). |
Audio mute all outputs | X@Z | AmtX@] |
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Query audio mute status | Z | AmtX@•X@] |
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Signal Status |
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Request all signal status | ELS} | SigX@*X@•X@] | input signal status * output 1 signal status |
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| • output 2 signal status |
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| 0 = signal undetected; 1 = signal detected |
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HDCP |
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HDCP authorized device on | EE1HDCP} | HdcpE1] | HDCP authorized device is on. |
HDCP authorized device off | EE0HDCP} | HdcpE0] | HDCP authorized device is off. |
Request HDCP authorized | EEHDCP} | X@] | HDCP status (1 = on; 0 = off) |
device status |
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EDID Minder |
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View EDID assignment | EA*EDID} | X#] |
View/Read EDID in HEX | ER*EDID} | X$] |
Read up to 256 bytes of HEX (as text) from currently selected EDID
View EDID native resolution | EN*EDID} | X%] | From current EDID selection |
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| for example: 1600x1200 @ 60Hz |
DDC Speed |
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Set DDC speed (single | EX!*X*DDCS} | DdcsX!*X*] | Set DDC speed (X*) for output (X!) |
output) |
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Set DDC speed (all outputs) | E0*X*DDCS} | Ddcs0*X*] | Set DDC speed (X*) for all outputs (0) |
Query single DDC speed | EX!DDCS} | DdcsX*] | DDC speed (X*): 1 = low (20 kbits; default) |
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| 2 = high (100 kbits) |
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Unit Name |
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Set unit name | EX&CN} | Ipn•X&] | X& The unit name (see explanation on |
View unit name | ECN} | X&] | page 14) |
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Other |
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Request part number | N |
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Query firmware version | Q | X^] | Firmware version (with 2 decimals) |
Reset | EZXXX} | Zpx] |
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Upload firmware | EUpload} | ...go | During upload process |
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| Upl] | When upload is complete |
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DP DA2 • SIS Commands | 15 |