Extron electronics MAV 44 Series, User Manual

Page: 47 / 88

3-23 MAV 44 / 48 / 84 / 88 Matrix Switchers • Operation
Resetting audio gain — single input
Reset a specified input’s audio gain or attenuation to the factory default (-12 dB for
captive screw audio connector [A] models, 0 dB for RCA audio connector [A RCA]
models) as follows:
1 . Press and hold the Audio Setup (I/O) button for approximately 2 seconds
until the Audio Setup LED lights (figure 3-36).
AUDIO SETUP AUDIO SETUP
The LED lights to indicate Audio Setup mode.
Release the Audio Setup button.
2 seconds
Press and hold the button.
Figure 3-36 — Select Audio Setup mode
2 . Press and release the Input 5 button (figure 3-37).
6
5 4
INPUTS
2 1 4 3
OUTPUTS
+dB
- dB
= lit, = unlit
Press and release the Input 5 button.
The Input 5 LED lights to
indicate that input 5 is selected.
The –dB LED
indicates a negative
(attenuation) level.
In this example, the LEDs indicate audio attenuation in the –1 dB to –5 dB range.
The Output 1, Output 2, and Output 3
LEDs display the input's audio level range.
Figure 3-37 — Select an input
3 . Press and release the and buttons simultaneously (figure 3-38).
Simultaneously press and release the
button and button.
AUDIO SETUP
The Audio Setup
LED blinks off
and then relights.
Figure 3-38 — Reset the selected input level
4 . If desired, reset other inputs’ audio levels by repeating steps 2 and 3.
After approximately 30 seconds of front panel inactivity, the switcher saves the
most recent input gain or attenuation levels and exits Audio Setup mode.