4-3
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation
PRELIMINAR
Y
Switcher-initiated messages
When a local event such as a front panel operation or an IR 501 command string
occurs, the switcher responds by sending a message to the host. The switcher-
initiated messages are listed below (underlined).
The switcher does not expect a response from the host, but, for example, the host
program might request a new status.
(C) COPYRIGHT 2004, EXTRON ELECTRONICS “MVX
nn
VGA/A Series”, V
x
.
xx
]
The copyright message is initiated by the switcher when it is first powered on.
V
x
.
xx
is the firmware version number. “
nn
” is the matrix size (such as 88, eight
inputs by eight outputs).
Qik
]
The switcher initiates the Qik message when a front panel or IR 501 tie creation has
occurred.
Spr
nn
]
The switcher initiates the Spr message when a memory preset has been saved from
the front panel or under IR 501 control. “
nn
” is the preset number.
Rpr
nn
]
The switcher initiates the Rpr message when a memory preset has been recalled
from the front panel or under IR 501 control. “
nn
” is the preset number.
Inn Aud
xx
]
The switcher initiates the Aud message when a front panel input audio level change
has occurred. “
n
” is the input number and “
xx
” is the dB level.
Zpa
]
The switcher initiates the Zpa message when a reset of all audio input levels to 0 dB
has been initiated from the front panel.
Exe
n
]
The switcher initiates the Exe message when the front panel security lockout
(executive mode) is toggled on or off from the front panel. “
n
” is the executive
mode status: 1 = on, 0 = off.
Vmt
n
1
]
The switcher initiates the Vmt message when an IR 501 remote control output video
mute command has occurred. “
n
” is the output number and “1” indicates the mute
function is turned on (the output is muted).
Amt
n
1
]
The switcher initiates the Amt message when an IR 501 remote control output
audio mute command has occurred. “
n
” is the output number and “1” indicates
the mute function is turned on (the output is muted).
Mut
n
1
]
The switcher initiates the Mut message when an IR 501 remote control output
video and audio mute command has occurred. “
n
” is the output number and “1”
indicates the mute function is turned on (the output is muted).
Zpz
]
The switcher initiates the Zpz message when an IR 501 remote control output
unmute command has occurred. All video and audio outputs are unmuted.