Extron Electronics MTPX Plus 6400 Series User Guide User Manual
Page 53
Example 9: Viewing and adjusting an input audio level
NOTE: This procedure can only be performed if the audio/RS-232 wire pair of the input
Defining the Audio/RS-232 Wire Pair
”).
In the following example, an audio level is viewed and adjusted. The steps show the front
panel indications that result from your action.
1.
Clear all selections: Press and release the Esc button. The button flashes once.
2.
Enter Audio mode: Press and hold the Audio button for approximately 2 seconds until
it blinks.
AUDIO
AUDIO
Press and hold the Audio button until it blinks.
2 seconds
3.
Select an input: Press and release the Input 5 button.
I
N
P
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
O
U
T
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
Press the button. It lights green.
Each output button indicates 1 dB when lit.
When the buttons are lit
green
, they indicate a
gain (+) audio level.
When the output buttons are lit
red
, they indicate an
attenuation (-) level.
In this example, the output buttons display an audio gain level of +8 dB.
•
•
The output buttons display the audio level and polarity (gain or attenuation)
of the selected input.
4.
Change the input level: Press and release the View (
<
) button once to decrease the
input audio level by 1.0 dB (see figure 18).
Press and release the View (
<
) button several more times to decrease the input audio
level by 1.0 dB per button press. Note the output button indications that change each
time the View (
<
) button is pressed.
The figure below shows the result of pressing the View (
<
) button a total of 9 times.
Note that the level is now displayed in red to indicate a negative (attenuation) level.
VIEW
O
U
T
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
Press the button.
The output buttons display the audio level and
polarity (gain or attenuation) of the selected input.
Each output button indicates 1 dB when lit.
When the buttons are lit
green
, they indicate a
gain (+) audio level.
When the output buttons are lit
red
, they indicate
an
attenuation (-) level.
In this example, the output buttons display an
audio attenuation level of -1 dB.
•
•
•
Figure 18.
Adjust the Input Audio Level
MTPX Plus 6400 Series Matrix Switchers • Operation
47