Extron electronics ISM 824, User Manual

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3-19
ISM 824 Integration Scaling Multiswitcher • Operation and Setup
N
The input audio level readout on the LCD remains unchanged.
5 . Press the audio button to exit the audio display and adjust mode. The audio
button ceases flashing, and remains lit red. The video button lights green, and
the View, Esc, and output buttons extinguish. The LCD resets.
Adjusting input audio level and output audio volume
To adjust the input audio level and output audio volume level, do the following:
1 . Press the Esc button to clear all pending changes and reset the LCD.
2 . Press and hold the Audio button for 3 seconds, until it flashes red . The View,
Esc, and one input button lights red.
N
The input button that lights is the last input button pressed in the previous front
panel operation made prior to this viewing.
The LCD shows the input audio level (gain) delay for the indicated (lit) input,
and the output audio volume for any outputs tied to that lit input.
3 . Select the desired input button, and observe the LCD screen.
4 . Using the left encoder (
[
) on the front panel, increase or decrease the input
audio level (gain) in 1 dB steps, until the desired setting is reached
(see figure 3-26). The range is -18 dB to +24 dB.
Step 4.
Rotate this encoder to increase
or decrease the
input
audio
level (gain) by 1 dB steps.
ADJUST
O
u
t
#4
V
o
l
=
056
N The LCD shows the changed audio settings for the selected input and output.
I
n
#5
G
ain =
-3
Step 5.
Rotate this encoder to increase or
decrease the output audio volume
(attenuation) by 1 dB steps.
Figure 3-26 — Steps 4 and 5 for adjusting the input and output audio
settings
N
Alternatively, when the input button is selected and lit red , use the View
( < ) and Esc (
> )
buttons to increase or decrease the input audio level (in 1 dB
steps) to the desired setting.
5
. Use the right encoder (
{
) on the front panel to increase or decrease the output
audio volume (attenuation) in 1 dB steps, until the desired setting is reached
(see figure 3-26). The range is 0 to 64.
N
Alternatively, when the output button is selected and lit red , use the View
and Esc buttons to increase or decrease the output audio volume (in 1 dB steps).
6 . Press the Audio button to exit the audio display and adjust mode. The Audio
button ceases flashing, and remains lit red. The Video button lights green, and
the View, Esc, and output buttons extinguish. The LCD resets.
N The audio level settings are stored in non-volatile memory. When power is
removed and restored, the audio level settings are retained.