Input and output selection controls and indicators, Control buttons and leds, Operation, cont’d – Extron Electronics MAV 44_48_84_88 Series User Guide User Manual
Page 28
Operation, cont’d
MAV 44 / 48 / 84 / 88 Matrix Switchers • Operation
3-4
Input and output selection controls and indicators
If the switcher has fewer than eight inputs or outputs, it has fewer input or
output buttons and LEDs.
3
Input buttons and LEDs —
The input buttons and LEDs select and identify
inputs.
Alternate preset selection function —
The input buttons and LEDs also serve
as preset selection buttons and indicators, allowing you to select presets to
either save or recall. A more detailed explanation of the presets functions is
included in “Using presets” beginning on page 3-16.
4
Output buttons and LEDs —
The output buttons and LEDs select and
identify outputs.
Alternate preset selection function —
The output buttons and LEDs also
serve as preset selection buttons and indicators, allowing you to select presets
to either save or recall. A more detailed explanation of the presets functions is
included in “Using presets” beginning on page 3-16.
Alternate audio indication function —
On audio/video switchers, the
Output 1 through Output 3 LEDs also serve as the input audio level
indicators, each indicating a range of 6 dB when lit:
•
Output 1 LED off = 0 dB to 5 dB
•
Output 1 LED lit = 6 dB to 11 dB
•
Output 1 and 2 LED lit = 12 dB to 17 dB
•
Output 1 through Output 3 LEDs lit = 18 dB
See “Adjusting input audio gain and attenuation” on page 3-19.
Alternate audio adjustment function —
On 8-output audio/video switchers,
the Output 7 and Output 8 buttons and LEDs also serve as the Down (
) and
Up (
) controls and negative (attenuation) and positive (gain) indicators.
See
10
and
11
.
Control buttons and LEDs
5
Enter button —
The Enter button saves changes when you set up a new
configuration. To create a simple configuration:
• Specify video, audio, or both (see controls [
7
] and [
8
]).
• Press the desired input button (
3
).
• Press the desired output button(s) (
4
).
• Press the Enter button.
6
Preset button and LED —
The Preset button activates either Save Preset mode
or Recall Preset mode. Save Preset mode saves a configuration as a preset.
Recall Preset mode recalls and activates a previously-defined preset. The
Preset button indicates Save Preset mode when it is blinking and Recall Preset
mode when it lights steadily.
Alternate reset function —
This button is also used to clear all ties and