L-ACOUSTICS LA8 [36/56] La la la la888
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L-ACOUSTICS LA8 [36/56] La la la la888

L-ACOUSTICS LA8 [36/56] La la la la888
LA
LALA
LA8
88
8
AMPLIFIED CONTROLLER
AMPLIFIED CONTROLLERAMPLIFIED CONTROLLER
AMPLIFIED CONTROLLER
USER MANUAL
USER MANUALUSER MANUAL
USER MANUAL
VERSION 4.0
LA8_UM_EN_4-0
w w w . l - a c o u s t i c s . c o m
34
3434
34
7.7 PRESET PARAMETERS
The PRESET PARAMETERS menu is for setting the preset parameters (Mute/Unmute, Gain, Delay and Polarity,
when available) of each individual input (IN A-B) and output (OUT 1:4) channels.
To access preset parameters, select the PRESET PARAMETERS menu and apply the following procedure (see also
Figure 27):
1. Turn the encoder wheel to scroll through one of the 7 preset parameters.
2. To change a preset parameter to the desired value, press and hold the corresponding input or output key and
turn the encoder wheel (or press the ESC key to cancel and return to the last menu).
3. Release the key when the desired value is obtained.
4. Repeat the procedure to set another parameter (or press the ESC key to return to the main menu).
In the following example the gain of input A is set to a value of 5.1 dB:
Figure 27: Setting the preset parameters
Setting the gain value
Gain values are adjustable between -60 dB and +15 dB at 0.1 dB or 1 dB resolution. To obtain 0.1 dB resolution,
simply turn the encoder wheel. To obtain 1 dB resolution, simultaneously push and turn the encoder wheel.
Setting the delay value
Delay values are adjustable from 0 to 500 ms (172 m/564 ft at 20 °C) for the input channels and from 0 to 35 ms (12
m/39 ft at 20 °C) for the output channels. Delay unit can be set in the DELAY UNIT control page [7.9.5]. To obtain
one hundredth resolution of the displayed value, simply turn the encoder wheel. To obtain one tenth resolution of the
displayed value, simultaneously push and turn the encoder wheel.
The
tota
l input delay
is the sum of the
group delay
(set in LA NETWORK MANAGER),
input
channel
delay, and AES/EBU compensation delays. The total input delay cannot exceed the maximum
threshold of 500 ms.
If the total input delay exceeds 500 ms while setting the input channel delay, the input channel
delay value will automatically be reduced so that the total input delay equals 500 ms.
Note: Depending on the selected factory preset some parameters might be locked by L-ACOUSTICS
®
. In that case
the LCD displays a cross (X) instead of a value.
Same sequence as for GAIN IN with IN A and IN B keys
Same sequence as for GAIN IN with OUT
GAIN IN (dB)
0.0 0.0
Hold IN A
ESC
GAIN IN_A
5.1 0.0
Release IN A
ESC
GAIN IN (dB)
5.1 0.0
DELAY IN
0.00 0.00
POLARITY IN
+ +
MUTE OUT
ON ON ON ON
GAIN OUT (dB)
0.0 0.0 0.0 0.0
DELAY OUT
0.00 0.00 0.00 0.00
POLARITY OUT
+ + + +
IMP
ORTANT

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