Preliminar y – Extron Electronics MTPX Series User Guide User Manual
Page 63
3-37
MTPX Twisted Pair Matrix Switchers • Operation
PRELIMINAR
Y
Figure 3-53 shows the same volume (41.5%) as in figure 3-52, but displayed on
a 32-input-button switcher, such as an MTPX 3232.
1
2
6
7
8
12
13
14
15
16
The input LEDs display the selected output's audio volume level.
In this example, the lit input buttons indicate 40 to 41.5 percent of the applied audio
input. The unlit input buttons indicate an audio volume attenuation of 39 dB to 40 dB.
–39 dB attenuation, 41.5% volume
= Lit LED,
= blinking LED
= unlit LED,
Figure 3-53 — Volume display on a 32-input-button switcher
N
The volume level is protected when front panel
Lock mode 2 is selected. You can
view the volume in
Lock mode 2 but you cannot change it from the front panel.
See “Setting the front panel locks (
Executive modes)” on page 3-40.
If front panel
Lock mode 2 is selected and you try to perform step 4, the actions
are ignored and the Enter, Video, and Audio LEDs flash.
4
.
Press and release the Esc (
>
) button once (figure 3-54) to increase the volume
by 1.5%.
Press and release the Esc (
>
) button several more times (figure 3-54) to
increase the volume by 1.5% per button push. Note the input LED indication
changes that occur each time the Esc (
>
) button is pressed and released.
N
You can press and hold the Esc (
>
) or View (
<
) button to ramp the level up or
down by 3 dB per second to the high or low limit.
Figure 3-54 shows the result of pressing the Esc (
>
) button a total of 13 times.
1
2
3
4
8
9
INPUTS
10
11
15
16
The input LEDs display the selected output's audio volume level.
In this example, the lit input buttons indicate 59.5 to 62.5 percent of the applied audio input.
The unlit input buttons indicate an audio volume attenuation of 25 dB to 27 dB.
-26 dB attenuation, 61% volume
ESC
Press the Esc button to decrease the audio attenuation (thereby increasing the
audio level) that is applied to the output volume level by 1 dB per button push.
= Lit LED,
= unlit LED,
= blinking LED
Figure 3-54 — Adjust the output audio volume