User Guide User guide

Operation, cont’d
MVX Plus 128 VGA A Matrix Switcher • Operation
3-36
PRELIMINARY
Viewing and adjusting the output volume
The audio level of each output can be displayed and adjusted through a range of
100% (no attenuation) to 0% (maximum [85 dB] attenuation). The audio level can
be adjusted from the front panel or under RS-232/RS-422 or Ethernet control. The
default volume is 100% (no attenuation).
N
Output volume is protected when front panel Lock mode 2 is selected. You can
view the volume in Lock mode 2 but you cannot adjust it from the front panel.
1. Press the Esc button to clear any input buttons, output buttons, or control
buttons that may be lit.
2. To enter Audio mode, press and hold the Audio button until the button begins
to blink red, then release the button.
3. Press and release an output button to select an output. The input buttons
display the volume level for the selected output. As a general rule, the more
buttons that are lit, the higher the volume. The fewer buttons that are lit, the
lower the volume.
For a more detailed analysis of decoding the displayed value, see “Reading
the displayed volume” on the next page.
4. Press and release the Esc (
>
) and View (
<
) buttons to increase and decrease
the audio volume.
5. Press and release the Audio button to save the audio settings and exit the
Audio mode. The Audio button stops blinking.
N • There is one audio volume level setting per output. The audio level setting is
shared by the left and right audio inputs.
• The audio volume levels are stored in non-volatile memory. When power is
removed and restored, the audio level settings are retained.
• Exiting Audio mode by pressing the Audio button always returns the I/O
buttons to RGBHV lit green and Audio lit red.
• Pressing the Enter or Preset button also exits Audio mode. Pressing the
Preset button changes to Recall Preset mode.