
I/O Controls
NOTE: See “Front Panel Operations” for detailed descriptions of the following
operations.
Primary functions
Action Select video Select audio
Indication Green: selected Red: selected
VIDEO AUDIO
Secondary functions
Front panel
locks
Action 1 With Enter, select Lock mode 2 or toggle
between mode 0 and mode 2.
Action 2 Select Lock mode 1 or toggle between
mode 2 and mode 1.
Resets Action 1: Perform a system reset.
Port
Configuration
Action Select RS-232. Select RS-422
Indication Blink: selected Blink: selected
Audio Action Select Audio mode.
g Video button — The Video button has one primary function (❏) and four secondary
functions (•):
❏ Selects and deselects video for a configuration that is being created or viewed and
lights green to indicate that video is available for configuring or for viewing.
• With the Enter button and Audio button, selects between front panel locks
(Lock mode 2 and Lock mode 0).
• With the Audio button, selects between front panel locks (Lock mode 2 and
Lock mode 1).
• With the Audio button, commands the front panel system reset.
• Switchers other than MTPX Plus 128 — Selects the RS-232 protocol for the rear
panel Remote port in Serial Port and Audio/RS-232 Input Configuration mode and
indicates the selection.
h Audio button — The Audio button has one primary function (❏) and five secondary
functions (•):
❏ Selects and deselects audio for a configuration that is being created or viewed and
lights to indicate that audio is available for configuration or viewing.
• Selects the Audio mode, in which you can adjust the input audio level and the
output audio volume.
• With the Enter button and Video button, selects between front panel locks
(Lock mode 2 and Lock mode 0)
• With the Video button, selects between front panel locks (Lock mode 2 and
Lock mode 1).
• With the Video button, commands the front panel system reset.
• Switchers other than MTPX Plus 128 — Selects the RS-422 protocol for the rear
panel Remote port in Serial Port and Audio/RS-232 Input Configuration mode and
indicates the selection.
MTPX Plus Series • Operation 28