Extron electronics MTPX Plus Series, User Manual

Page: 76 / 190

Operation, cont’d
MTPX Plus Twisted Pair Matrix Switchers • Operation
3-44
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.
11 16 2 1 3 4 5 6 7 8 9 10 14 12 13 15
•
•
•
INPUTS
Blinking button
–39 dB attenuation,
41.5% volume
Unlit 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.
Lit button
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
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.
4 . Press and release the Esc (
>
) button once (figure 3-62) to increase the volume
by 1.5%.
Press and release the Esc ( > ) button several more times (figure 3-62) to
increase the volume by 1.5% per button press. Note the input button
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 3-62 show the result of pressing the Esc (
>
) button a total of 13 times.
ESC
•
•
•
•
1 2 3 4 12 13 14 15 16
17 18 19 27 28 29 30 31 32
I
N
P
U
T
S
Decrease the audio
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.
26 dB attenuation,
61% volume
Press the Esc button
Figure 3-62 — Adjust the output audio volume