ACHAT DSP24 • OWNER’S MANUAL
20
The EQ sub-menu screen will show the following:
Note: Once the desired low shelving lter is selected, the PM3
can then be used to select the desired GAIN and when the
GAIN is set at a value different from 0.0dB, then the lter type
cannot be changed until this GAIN is returned to 0.0dB.
Once in the low shelving lters edit screen all the lters
parameters can be modied using the “NAV/PM1”, “PM2” and
“PM3” encoders for editing the lters high cut frequency, lters
order and gain.
The Hi cut frequency of the low shelving lter can be edited
using the “NAV/PM1” encoder, the lters order can be adjusted
by the “PM2” encoder and the gain the “PM3” encoder:
“Hi cut frequency”: the selectable frequency range is from 20Hz
to 20kHz in steps of 1/24 of an octave and can be adjusted by
rotating the “NAV/PM1” encoder.
“Low shelving order”: the selectable low shelving lters range
can be selected between the 1
st
(Lo-1st.) and the 2
nd
(Lo-2nd.)
one.
“Gain”: the selectable range of the gain is from -15dB to +15dB
in steps of 0.5 dB and can be adjusted by rotating the “PM3”
encoder.
VU-Meter – Here you can use the PM2 or PM3 encoder to
select the function of the output channel LEDs: indicating the
corresponding signal level („Level“), or indicating the limiter
activation and the resulting signal attenuation („Limiter Act.“).
Delay: from this page it is possible to set the output channels
delay time from 000.0000ms up to 848.9984ms, by steps of
1ms or 20.8µs.
To set the delay time press ENTER. An arrow “->” will appear
on the left of the screen. Then use the “PM2” encoder to set the
delay time in steps of 1ms and the “PM3”, for setting the “ne”
delay time in steps of 20.8 microseconds.
The following is an example screen for the “Delay” page where
the Delay time of output channel 1 is set to 160.1872ms:
Input channels and output channels LINK function
The DSP24 is able to perform a unique LINK MODE between
input channels as well as a link between output channels to
enable quick and immediate editing (you cannot link output to
input channels).
To link channels when editing, you will need to select a “Master”
channel, that will be the one to and have its parameters
displayed on the LCD screen. You can then select and link other
channels (slaves) that you wish to apply the same changes to.
To enter a link mode session, select the master channel edit
mode, then link the slaves by pressing their related edit buttons.
All linked channels will be selected ready for adjustment when
their “Blue” LED is lit in the editing mode.
Now all slave channels and only those selected will modify their
parameters accordingly as you edit the master channel.
All other existing parameters will stay the same within the slave
channels unless edited by this link with the master channel.
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