
Appendix A • 
Request Input Channel Configuration - CMD10 (3Ah)4
Request the configuration for a specific input channel in the System 4xi.
Format:
ESC, CMD10, Inp#, EOT
Response: ESC, CMD10, ERC, Vid Mode, Aud Lvl, H Shift, Cont, Color, Tint,
Chroma Det, Luma Det, reserved, EOT
Where: ESC, CMD10 = 1Bh, 3Ah
Inp#80h = Request current channel
81h - 96h = Input channel requested 
Vid Mode on System 4xi: ____________________ LDxi _ LQxi
| 80h | = RGBS (composite sync) ______________ | x ___ x | |
| 81h | = RGsB (sync on green) ________________ | x ___ x | |
| 82h | = RGBLD  | ___ - | |
| 83h | = YC  | ___ - | |
| 84h | = VID (composite video) _________________ - | ___ - | |
| 85h = YCLD  | ___ - | ||
| 86h = VIDLD  | ___ - | ||
| 87h | = RGBLD - still _______________________ | x | ___ - | 
| 88h | = RGBLD - motion ____________________ x ___ - | ||
| 89h | = YCLD - still _________________________ | x | ___ - | 
| 8Ah = YCLD - motion ______________________ x | ___ - | ||
| 8Bh = VIDLD - still ________________________ | x | ___ - | |
| 8Ch = VIDLD - motion _____________________ x | ___ - | ||
| 8Dh = RGBLQ - still ________________________ - | ___ x | ||
| 8Eh = RGBLQ - motion _____________________ - | ___ x | ||
| 8Fh = YCLQ - still _________________________ - | ___ x | ||
| 90h | = YCLQ - motion _______________________ - | ___ x | |
| 91h | = VIDLQ - still _________________________ - | ___ x | |
| 92h | = VIDLQ - motion ______________________ - | ___ x | |
Notes:
4.This command is only available in System 4xi units with the following firmware revision levels, or higher:
System 4LDxi – revision 3.0 System 4LQxi – revision 4.0
6.Only available on System 4LDxi and 4LQxi.
| Aud Lvl | C1h - FFh = Audio level  | |
| H Shift | 81h | - FFh = Horizontal shift  | 
| Cont | 81h | - FFh = Contrast level  | 
| Color | 81h | - FFh = Color level  | 
| Tint | 81h | - FFh = Tint level  | 
| Chroma Det | 81h | = On | 
| 
 | 82h | = Off | 
| 
 | 83h = not supported | |
| Luma Det6 | ||
| 
 | 80h = not supported | |
| reserved | 80h | = reserved | 
| EOT | 04h | = End Of Transmission | 
Example:
Request Configuration for Input Channel #4: 1Bh, 3Ah, 84h, 04h
Response example:
Input #4 is configured for 
This would be:
1Bh, 3Ah, 80h, 8Ah, E0h, C0h, C0h, C0h, C0h, 82h, 81h, 80h 04h
| Extron • System 4xi Switcher Series • User’s Manual |