4-5
ISM 824 Integration Scaling Multiswitcher • SIS
™
Programming and Control
Switcher-Initiated Messages
When a local event such as power-up or a front panel operation occurs, the switcher
responds by sending a message to the host. The switcher-initiated messages are
listed below and on the following pages.
The switcher does not expect a response from the host, but the host program may
request a new status.
Power-up
© Copyright 2007, Extron Electronics, ISM 824 series, V x.xx, 60-787-01 ]
The copyright message is initiated by the switcher when it is first powered on.
Vx.xx is the firmware version number.
Input selection
Qik]
A front panel video and audio switching operation has occurred.
Input and output video type
Typ
X!
*
X#
]
A front panel input video type selection has occurred.
X!
is the input number and
X#
is the input video type.
Rte
X@
*
X2!
*
X2@
]
A front panel output video format selection has occurred.
X2!
is the output
resolution and
X2@
is the output refresh rate.
X@
Syn
X2$
]
A front panel output video type selection has occurred.
X2$
is the output video
format (RGBHV, RGBS, RGsB, Y, R-Y bi-level, Y, R-Y, B-Y tri-level).
X@
Pol
X5#
]
A front panel output polarity selection has occurred.
X5#
is the output sync
polarity.
Picture adjustments
X@
Col
X!
*
X1%
]
A front panel color adjustment has occurred.
X@
is the output switched to the
adjusted input
X!
and
X1%
is the color variable.
X@
Tin
X!
*
X1%
]
A front panel tint adjustment has occurred.
X@
is the output switched to the
adjusted input
X!
and
X1%
is the tint variable.
X@
Brt
X!
*
X1%
]
A front panel color brightness adjustment has occurred.
X@
is the output switched
to the adjusted input
X!
and
X1%
is the brightness variable.
X@
Con
X!
*
X1%
]
A front panel contrast adjustment has occurred.
X@
is the output switched to the
adjusted input
X!
and
X1%
is the contrast variable.
X@
Hsz
X!
*
X1&
]
A front panel horizontal size adjustment has occurred.
X@
is the output and
X1&
is
the size variable.
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