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Operation, cont'd
Figure 3-61 — Volume display on a 16-input-button switcher
N Volume is protected when front panel Lock mode 2 is selected. You can view
4.
N You can press and hold the Esc (
Figure 3-62 — Adjust the output audio volume
3-44
MTPX Plus Twisted Pair Matrix Switchers • Operation
Figure 3-61 shows the same volume (41.5%) as in figure 3-61, but displayed on
a 16-input-button switcher, such as an MTPX Plus 1616.
Blinking button
–39 dB attenuation,
41.5% volume
1
2
3
4
5
6
Lit button
•
The input LEDs display the selected output's audio volume level.
•
In this example, the lit/blinking input buttons indicate 41.5 to 44.5 percent of the applied audio input.
•
The unlit/blinking input buttons indicate an audio volume attenuation of 37 dB to 39 dB.
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 3-46.
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 buttons flash.
Press and release the Esc (
by 1.5%.
Press and release the Esc (
increase the volume by 1.5% per button press. Note the input button
indication changes that occur each time the Esc (
released.
down by 3 dB per second to the high or low limit.
Figure 3-62 show the result of pressing the Esc (
Press the Esc button
ESC
1
Decrease the audio
17 18 19 27 28 29 30 31 32
attenuation (thereby
increasing the audio level)
that is applied to the
output volume level by
1 dB per button push.
•
The input buttons display the selected output's audio volume level.
•
Each lit input button beyond input 1 indicates that 3 percent of the total
input volume is applied to the output.
•
In this example, the green input buttons display 61 percent of the
applied audio input.
•
The unlit input buttons indicate an audio volume attenuation of 26 dB.
INPUTS
7
8
9 10
11
Unlit button
>
) button once (figure 3-62) to increase the volume
>
) button several more times (figure 3-62) to
>
) button is pressed and
>
) or View (
<
) button to ramp the level up or
>
) button a total of 13 times.
2
3
4 12 13 14 15 16
26 dB attenuation,
61% volume
12 13
14
15
16
I
N
P
U
T
S
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