Serial Communication, cont’d
Command/response table for SIS commands (continued)
Command | ASCII Command | Response | Additional description | ||||||||
| (host to switcher) | (switcher to host) |
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Image size |
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Specify image size, maintain aspect ratio |
| X15 | { | Isz | X15 |
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| Set picture height & width together. | ||
Size up, maintain aspect ratio | +{ |
| Isz |
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| Increase height & width equally. | |
| X15 | ||||||||||
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Size down, maintain aspect ratio |
| Isz | X15 |
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| Decrease height & width size equally. | ||||
View the image size value | { |
| Isz |
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| Show the image size setting. | |
| X15 | ||||||||||
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Horizontal size |
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Specify the horizontal size |
| X15 | : | Hsz | X15 |
| Set the picture width. | ||||
Increase the horizontal size | +: |
| Hsz |
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| Widen the picture. | ||||
| X15 | ||||||||||
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Decrease the horizontal size |
| Hsz | X15 |
| Make the picture narrower. | ||||||
View the horizontal size value | : |
| Hsz |
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| Show the horizontal size setting. | ||||
| X15 | ||||||||||
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Vertical size |
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Specify the vertical size |
| X15 | ; | Vsz | X15 |
| Set the picture height. | ||||
Increase the vertical size | +; |
| Vsz |
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| Make the picture taller. | |||||
| X15 | ||||||||||
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Decrease the vertical size |
| Vsz | X15 |
| Make the picture shorter. | ||||||
View the vertical size value | ; |
| Vsz |
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| Show the vertical size setting. | |||||
| X15 | ||||||||||
Top blanking
Specify a top blanking value
X17 | ( | Blt | X17 | Set the number of lines to blank |
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| at the top of the picture. |
Increase the top blanking value | +( | Blt | X17 | Increase the # of top lines blanked. |
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Decrease the top blanking value | Blt | X17 | Decrease the # of top lines blanked. | |
View the top blanking value | ( | Blt |
| Show the number of lines that are |
X17 | ||||
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| blanked at the top of the picture. |
Bottom blanking
Specify a bottom blanking value
X17 | ) | Blb | X17 | Set the number of lines to blank |
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| at the bottom of the picture. |
Increase the bottom blanking value | +) | Blb | X17 | Increase the number of lines |
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| blanked at the bottom. |
Decrease the bottom blanking value | Blb | X17 | Decrease the number of bottom | |
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| lines blanked. |
View the bottom blanking value | ) | Blb |
| Show the # of bottom lines that |
X17 | ||||
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| are blanked. |
Scaler rate
Set the output rate |
| X11 | = | Rte | X11 | Select a scaler output scan rate. |
View the output rate | = |
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| Show the scaler output rate. | |
| X11 | |||||
Freeze
Enable | 1F | Frz1 | Output a “frozen” video image. | |
Disable | 0F | Frz0 | Turn off freeze (output motion). | |
View the freeze status | F | Frz | X2 | Show the freeze status. |
Example: | F | Frz0 |
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