Operation, cont’d
MVX 128 A VGA Matrix Switchers • Operation
3-6
PRELIMINARY
I/O controls
You must specify video, audio, or both when you are creating or viewing a
confi guration. This is done with the RGBHV button (
h
) and Audio (
i
) buttons.
h
RGBHV button and LED — The RGBHV button and LED have two primary
functions (•) and four secondary (❏) functions:
• Selects and deselects video for a confi guration that is being created or
viewed.
• Lights green to indicate that video is available for confi guring or for
viewing.
❏ With the Audio button, toggles the front panel lock on or off. See Locking
out the front panel (Executive mode) on page 3-32.
❏ With the Audio button, commands the front panel system reset. See
Performing a system reset from the front panel on page 3-32.
❏ Selects the RS-232 protocol for the RS-232/RS-422 port in Serial Port
Confi guration mode. See Selecting the RS-232/RS-422 protocol and baud rate
on page 3-33.
❏ Indicates that the RS-232/RS-422 port is set to the RS-232 protocol in
Serial Port Confi guration mode. See Selecting the RS-232/RS-422 protocol and
baud rate on page 3-33.
i
Audio button and LED — The Audio button and LED have two primary
functions (•) and fi ve secondary (❏) functions
• Selects and deselects audio for a confi guration that is being created or
viewed.
• Lights to indicate that audio is available for confi guration or viewing.
❏ Selects the Audio mode, in which you can adjust the input audio level.
See Viewing and adjusting the input audio level on page 3-24 .
❏ With the RGBHV button, toggles the front panel lock on or off.
See Locking out the front panel (Executive mode) on page 3-32.
❏ With the RGBHV button, commands the front panel system reset.
See Performing a system reset from the front panel on page 3-32.
❏ Selects the RS-422 protocol for the RS-232/RS-422 port in Serial Port
Confi guration mode. See Selecting the RS-232/RS-422 protocol and baud rate
on page 3-33.
❏ Indicates that the RS-232/RS-422 port is set to the RS-422 protocol in
Serial Port Confi guration mode. See Selecting the RS-232/RS-422 protocol and
baud rate on page 3-33.
