Muting And Unmuting Video, Audio, Or Both - Extron electronics MPX 423 A User Manual

3. Press the Single button or the Separate button to select the desired mode.
When you make a mode selection, the Single and Separate LEDs turn off, and the
Mode LED begins blinking.
If a selection is not made within 30 seconds, the currently active mode remains active,
the Single and Separate LEDs turn off, and the Mode LED begins blinking.
4. Press the Mode button. The Mode LED turns off, and all other front panel LEDs return to
their input indications.
NOTE: The switcher mode selection affects only the selected output port. It is
possible to have one output port in single switcher mode, and the other output
port in separate switcher mode.

Muting and Unmuting Video, Audio, or Both

Individual outputs can be muted or unmuted as follows:
NOTE: Regardless of switching modes, you can still mute individual outputs.
1. Select a video, audio, or both to mute or unmute by pressing the I/O button.
2.
One at a time, press and hold the output button for the desired output group for
approximately 2 seconds. The output LED for the selected output blinks to indicate the
mute or return to their previous state to indicate the unmute.
Press and hold the computer output button for 2 seconds to mute the selected
•
computer (VGA) outputs.
• Press and hold the composite video output button for 2 seconds to mute the
selected composite video output.
• Press and hold the S-video output button for 2 seconds to mute the selected
S-video output.
NOTES:
• Since the video groups share the audio outputs, audio outputs can be muted in
any video group. To avoid unwanted audio mute, select video only or audio only by
pressing the I/O button before muting the selected output.
• Mutes are saved to nonvolatile memory. When power is removed and restored, the
mute settings are retained.
• To view the mute status, it is recommended to select video only or audio only (I/O
button) and toggle output buttons on any video group. The muted output LED
blinks.
• Selecting video and audio (I/O button) to view muted outputs is not recommended.
Blinking output LEDs could also indicate an audio or follow-all tie.
COMPUTER
OUTPUTS/ INPUTS
AUDIO 1 2 3 4
1
2
MODE SINGLE SEPARATE
Single button Separate button
MPX 423 A • Operation 11