Extron electronics MVX 128, User Manual

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Operation, cont’d
MVX 128 A VGA Matrix Switchers • Operation
3-32
PRELIMINAR
Y
Locking out the front panel ( Executive mode)
The front panel lock ( Executive mode) limits the operation of the matrix switcher
from the front panel. When the switcher is locked, all of the front panel functions
are disabled except for the
View-Only mode functions. See Viewing a confi guration
on page 3-15. Other than in View-Only mode, if the user pushes a front panel
output button when the switcher is locked, the RGBHV and Audio LEDs fl ash
twice and return to their previous state.
To toggle the front panel lock on or off, press and hold the RGBHV button and the
Audio button for approximately two seconds (fi gure 3-52).
RGBHV AUDIO
I/O
RGBHV AUDIO
I/O
Press and hold the RGBHV and
Audio buttons simultaneously to
toggle the front panel lock on or off.
2 seconds
The RGBHV and Audio
LEDs blink twice to
indicate the mode change.
Release the buttons.
= Blink twice
2
2 2
Figure 3-52 — Toggle front panel lock on or off
Performing a system reset from the front panel
The front panel reset is identical to the
E
ZXXX
}
SIS command (see chapter 4,
Programmer’s Guide ). A system reset:
• Clears all ties and presets
• Clears all video and audio mutes
• Sets all input audio levels to unity gain (+0 dB)
• Sets all output volume levels to 100% (0 dB of attenuation)
Reset the switcher to the factory default settings by pressing and
holding the
RGBHV button and Audio button while you apply AC power to the switcher
(fi gure 3-53).
N
System reset does not replace user-installed fi rmware.
Power
RGBHV AUDIO
I/O
Press and hold the RGBHV and Audio
buttons while you apply power to the switcher.
The switcher’s LEDs flash and then go dark.
Continue to hold the RGBHV and Audio buttons until all input and output
LEDs return to the unlit state and the RGBHV and Audio LEDs turn on.
Release the RGBHV and Audio buttons.
Figure 3-53 — System reset