Behringer Ultragraph Digital DEQ1024 Owner's Manual
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ULTRAGRAPH DIGITAL DEQ1024
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The DEQ1024 features a LOW CUT and HIGH CUT filter in its FILTER section,
allowing you to limit the entire frequency spectrum upward or downward.
The HIGH CUT control is used to determine the cut-off frequency above which
the high frequency range is lowered (2.5 - 16 kHz). When turned all the
way to the right, the filter is deactivated (OFF). The LOW CUT control is used
to determine the cut-off frequency above which the low frequency range
is lowered (20 - 160 Hz). When turned all the way to the left, the filter is
deactivated (OFF).
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Use the GAIN control in the MASTER section to determine the output
volume of the ULTRAGRAPH DIGITAL in the range between -9 to +9 dB.
In addition, there is also a stereo imager function that lets you adjust the
stereo width and therefore the separation between the left and the right
stereo side. When the STEREO IMAGE control is turned all the way to the
right, you achieve the maximum widening of the stereo signal (WIDE);
when the control is turned all the way to the left, the stereo signal is
transformed into a mono signal (MONO). When the STEREO IMAGE control is
in its middle position, your signal is not processed (STEREO).
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When you keep the CONFIG switch depressed for a few seconds, you can
select the operating mode of your DEQ1024: ANALOG (green LED),
DIGITAL (yellow LED), PRE EQ (yellow LED) or POST EQ (yellow LED). When in
the PRE EQ or POST EQ mode, you can use the rear panel digital connectors as
inserts, for example for an additional dynamics processor. When the unit is in
PRE EQ mode, the insert point is located pre EQ; when the unit is in POST EQ
mode, the insert point is located post EQ (see fig. 2.5 and 2.6).
Fig. 2.4: Input/output wiring depending on operating mode
CONFIG
1
2
3
Pink Noise ON
1
2
3
Analog
B
A
A
A
A
A
Digital
C
A
A
A
A
A
Pre EQ
C
B
A
A
B
A
Post EQ
B
A
B
A
A
B
Tab. 2.1: Input/output wiring depending on operating mode
Fig. 2.5: Signal flow in PRE EQ mode
Fig. 2.6: Signal flow in POST EQ mode
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When you keep the CLOCK switch depressed for a few seconds, you can
select the desired sample rate with which your DEQ1024 is working: 44.1 kHz,
48 kHz or 96 kHz (green LEDs). To synchronise your DEQ1024 with the sample
rate of an external unit (e. g. through a digital mixing console), you have to
select the DIG IN setting (yellow LED lights up).
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If you select the DIG IN setting, although no signal is connected to
the digital input, the DEQ1024 is not able to synchronise with any
sample frequency (yellow DIG IN LED is blinking). In this case the
ULTRAGRAPH DIGITAL switches to the sample frequency last connected
to the digital input. If you connect a signal to the digital input while
operating in the unsynchronised mode, your DEQ1024 switches back to
normal mode and synchronises with the connected sample frequency
(yellow LED lights up).
the digital input, the DEQ1024 is not able to synchronise with any
sample frequency (yellow DIG IN LED is blinking). In this case the
ULTRAGRAPH DIGITAL switches to the sample frequency last connected
to the digital input. If you connect a signal to the digital input while
operating in the unsynchronised mode, your DEQ1024 switches back to
normal mode and synchronises with the connected sample frequency
(yellow LED lights up).
To select the word length of the digital output signal (16 bit or 24 bit),
keep the CONFIG and CLOCK switches simultaneously pressed.
The 24-bit setting is shown by means of the -24 dB LEDs in the METER
display (see (13)). When the 16-bit setting is selected, no METER LED
lights up. This way, the DEQ1024 can be adjusted to the 16-bit inputs of
DAT and CD recorders or sound cards. The analog output signal is always
converted with 24 bit, independent of the above setting.
keep the CONFIG and CLOCK switches simultaneously pressed.
The 24-bit setting is shown by means of the -24 dB LEDs in the METER
display (see (13)). When the 16-bit setting is selected, no METER LED
lights up. This way, the DEQ1024 can be adjusted to the 16-bit inputs of
DAT and CD recorders or sound cards. The analog output signal is always
converted with 24 bit, independent of the above setting.
2.2 Rear panel
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Fig. 2.7: Rear panel control elements and connectors