Appendix A • RS-232 Programmer’s Guide
Extron • System 4
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Switcher Series • User’s Manual
Configure an Input Channel - CMD9 (39h)
Send a preset configuration to the System 4
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to set up an input channel.
Format:
ESC, CMD9, Inp#, Vid Mode, Aud Lvl, H Shift, Cont, Color, Tint, Chroma Det,
Luma Det, reserved, EOT
Where: ESC, CMD9 = 1Bh, 39h
Inp#
80h = current channel
81h - 96h = Input channel 1-22
Vid Mode on System 4
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: ________________________ LD
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LQ
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FFh = No change ____________________________ x ___ x
80h = RGBS (composite sync) __________________ x ___ x
81h = RGsB (sync on green) ___________________ x ___ x
82h = RGBLD (line-doubled RGB video) __________ - ___ -
83h = YC (S-video) ___________________________ - ___ -
84h = VID (composite video) ___________________ - ___ -
85h = YCLD (line-doubled S-video) ______________ - ___ -
86h = VIDLD (line-doubled composite video) _______ - ___ -
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
Aud Lvl
2
C1h - FFh = Audio level (-31dB to +31dB)
H Shift
2
81h - FFh = Horizontal shift (-63 to +63 in steps of 2)
Cont
2
81h - FFh = Contrast level (-63 to +63 in steps of 2)
Color
2
81h - FFh = Color level (-63 to +63 in steps of 2)
Tint
2
81h - FFh = Tint level (-63 to +63 in steps of 2)
Chroma Det
4
80h = No change
81h = On
82h = Off
Luma Det
5
80h = No change
81h-84h = Decoded-modes Sharpness levels 1 - 4
reserved
80h = reserved
EOT 04h = End Of Transmission
Notes:
2. For Audio Level and
Picture Control settings,
80h = no change.
See page A-8 for examples for
calculating these values.
4. Only available in System 4
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units
with the following firmware revision
levels, or higher:
5. Only available on System 4LD
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and 4LQ
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A-12
