Extron electronics MAV 44 Series, User Manual

Page: 6 / 88

Quick Start — MAV Series AV Matrix Switchers, cont’d
MAV 44 / 48 / 84 / 88 Matrix Switchers
•
Quick Start QS-2
I/O
AUD
VID
Press the button to cycle
through the selections.
The LEDs light when video
and/or audio is selected.
6 5 4
INPUTS
Press and release the Input 5 button.
The Input 5 LED lights to
indicate that input 5 is selected.
AUDIO SETUP AUDIO SETUP
The LED lights.
Release the button.
2 seconds
Press and hold the button.
Down ( ) and Up ( ) buttons and LEDs decrease
or increase the audio level for the selected input
and indicate the decrease and increase. On
8-output switchers,
and are secondary
functions of the Output 7 and Output 8 buttons.
+dB/–dB LEDs indicate the polarity of the audio
level setting (+dB = gain, –dB = attenuation).
+dB and –dB are secondary functions of the Video
and Audio LEDs.
Each audio input gain and attenuation indicator
indicates a range of 6 dB when lit. (Output 1
LED off = 0 dB to 5 dB, Output 1 lit = 6 dB to 11
dB, Output 1 and 2 lit = 12 dB to 17 dB, Output
1 through 3 lit = 18 dB.) The level indicators are
secondary functions of the Output 1 through
Output 3 LEDs.
Operation
Powering on
Plug in the switcher to apply power. The
switcher’s self-test sequences the front panel LEDs.
Creating a tie
1 . Press and release the I/O
button to select or deselect
video and/or audio as
desired.
2 . Press and release
the desired input
button*.
3 . Press and release the
desired output
button(s)*.
*
You can cancel the entire set of ties at this
point by waiting for the 5-second input/
output button timeout to occur.
4 . Press and release the Enter button. The selected
input’s and the selected outputs’ LEDs light
steadily for approximately 1 second to indicate
the tie and then go out.
Saving or recalling a preset
1 . To Save a preset:
Press and hold the
Preset button until
the Preset LED
starts blinking.
To recall a preset:
Press and release
the Preset button.
2 . Press the desired
input or output button.
The selected input button and Preset button
remain lit for 1 second to indicate the preset and
then go out.
Viewing and adjusting the audio input gain
1 . Apply audio signals to all inputs to be adjusted.
2 . Press and hold the
Audio Setup (I/O)
button for 2
seconds until the
Audio LED lights.
3 . Press an input button. See chapter 3 to read the
displayed value.
4 . Increase and decrease the audio input gain by
pressing the and buttons until the audio
level indicator (Power LED) blinks frequently.
5 . For other inputs, repeat steps 3 and 4.
6 . Press and release the Audio Setup button to exit.
PRESET PRESET
PRESET PRESET
Save
Recall
Press and hold.
2 seconds
Preset LED blinks.
Release the Preset button.
Press and release.
Preset LED lights.
PRESET
2 4 1
INPUTS
3
Press and release the input 1 button
to select preset 1 to save or recall.
Preset 2 Preset 3 Preset 4
The Preset LED
and Input 1 LED
light for 1 second
then go out.
2 1 3
OUTPUTS
5
= lit, = unlit
The Output 1 through 3
LEDs display the input's
audio level range.
Press and release an input button.
The input
LED lights.
+dB
- dB
+/–dB LEDs
show polarity.
Power blinks to
show the
signal level.
5
4
3 8
OUTPUTS
Press and release the Output 3, 4, and 8 buttons.
The LEDs blink to indicate that the selected
input will be tied to these outputs.
= Blinking button