I/O Controls - Extron electronics Matrix 50 Series User Manual

Preset button and LED — The Preset button saves a configuration as a
4
preset, or recalls and makes active a previously-defined preset. The Preset
LED indicates save mode when it is blinking and recall mode when it lights
steadily.
View button and LED — The View button selects a view-only mode that
5
allows the display of the current configurations and provides a way to
mute and unmute video and audio outputs. The view-only mode helps
prevent changing configurations by accident. The View LED indicates that
the switcher is in view-only mode.
In view-only mode, pressing any input button (
lights the LEDs for the input and all outputs that are a part of that set of
ties. Pressing the button for any unassigned output lights only the LEDs for
all of the unassigned outputs. No input LED is lit.
As a secondary function on audio models, the View button decrements the
audio level of the selected input. In audio adjustment mode, the View LED
indicates a negative (-) attenuation value. A more detailed explanation of
audio level adjustment is included in Viewing and adjusting the audio level on
page 3-13.
Esc button and LED — The Esc button cancels operations or selections in
6
progress and resets the front panel LEDs. The Esc button does not reset the
current configuration, the Video and Audio LEDs, any presets, or any audio
gain/attenuation settings. The Esc LED flashes once after the Esc button is
pressed and released to indicate the escape function.
As a secondary function on audio models, the Esc button increments the
audio level of the selected input. In audio adjustment mode, the Esc LED
indicates a positive (+) gain value. A more detailed explanation of audio level
adjustment is included in Viewing and adjusting the audio level on page 3-13.

I/O controls

When creating or viewing a configuration, you must specify whether the
configuration applies to video, audio, or both. This is done with the Video (
and Audio ( ) buttons.
8
Although present, the Audio button has no function on video only models.
Video button and LED — The Video button selects and deselects video for a
7
configuration that is being created or viewed. The Video LED lights to
indicate that video is available for configuring or for viewing.
Audio button and LED — The Audio button selects and deselects audio for a
8
configuration that is being created or viewed. The Audio LED lights to
indicate that the audio configuration follows the video configuration. The
Audio LED blinks to indicate that the audio configuration is broken away
from the video configuration.
As a secondary function, the Audio button selects the audio level display/
adjustment mode. Press and hold the Audio button until the Audio LED
begins to blink. If the Video LED was lit, it turns off. Select an input. The
current audio level setting for the selected input is displayed by the output
LEDs. The audio level for the selected input can be increased and decreased
by pressing the View (
of audio level adjustment is included in Viewing and adjusting the audio level
on page 3-13.
1
) and Esc ( ) buttons. A more detailed explanation
5 6
Matrix 50 Series Switchers • Operation
) or output ( ) button
2
)
7
3-3