Extron Electronics MVX VGA A User Guide - Manual (Page 59)

Operation, cont’d
MVX VGA A Matrix Switchers • Operation 3-36
PRELIMINAR
Y
Setting the front panel locks (Executive modes)
The matrix switcher has three levels of front panel security lock that limit the
operation of the switcher from the front panel:
• Lock mode 0 — The front panel is completely unlocked. All front panel
functions are available.
• Lock mode 1 — All changes are locked from the front panel (except for
setting Lock mode 2). Some functions can be viewed.
• Lock mode 2 — Basic functions are unlocked. Advanced features are locked
and can be viewed only.
Basic features consist of:

Making ties

Saving and recalling presets

Setting input audio gain and attenuation

Changing Lock modes
Advanced features consist of:

Setting video and audio output mutes

Setting audio output volume

Setting the rear panel remote port protocol and baud rate
N The switcher is shipped from the factory in Lock mode 2.
Selecting Lock mode 2 or toggling between mode 2 and mode 0
N If the switcher is in Lock mode 0 or mode 1, this procedure selects mode 2.
If the switcher in in Lock mode 2, this procedure selects mode 0 (unlocks the
switcher).
To toggle the lock on and off, press and hold the Enter button, the RGBHV button,
and the Audio button simultaneously for approximately 2 seconds (figure 3-57).
RGBHV AUDIO ENTER RGBHV AUDIO ENTER
I/O
Press and hold the Enter, RGBHV, and Audio
buttons simultaneously to turn on Lock mode 2
or to toggle between mode 2 and mode 0.
2 seconds
The Enter, RGBHV, and
Audio LEDs blink
twice to
indicate the mode change.
Release the buttons.
I/O
Figure 3-57 — Toggle front panel lock on or off