Behringer X1204USB Руководство по эксплуатации онлайн [5/15] 780846
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Behringer X1204USB Руководство по эксплуатации онлайн [5/15] 780846

Behringer X1204USB Руководство по эксплуатации онлайн [5/15] 780846
5 XENYX X1204USB/1204USB User Manual
LOW CUT
The mono channels of the mixing consoles have a high-slope LOW CUT lter for
eliminating unwanted low-frequency signal components (75 Hz, 18 dB/octave).
GAIN
Use the TRIM control to adjust the input gain. This control should always be
turned fully counterclockwise whenever you connect or disconnect a signal
source to one of the inputs.
COMPRESSOR
Each mono channel features a built-in compressor which lowers the dynamic
range of the signal and increases its perceived loudness. The loud peaks are
squashed down and the quiet sections are boosted.
Turn the COMP knob clockwise to add more compression eect. The adjacent LED
with light when the eect is engaged.
2.1.2 Equalizer
All mono input channels include a 3-band equalizer. All bands provide boost or
cut of up to 15 dB. In the central position, the equalizer is inactive.
The circuitry of the British EQs is based on the technology used in the best-known
top-of-the-line consoles and providing a warm sound without any unwanted
side eects. The result are extremely musical equalizers which, unlike simple
equalizers, cause no side eects such as phase shifting or bandwidth limitation,
even with extreme gain settings of ±15 dB.
Fig. 2.2: The equalizer of the inputchannels
The upper (HI) and the lower band (LO) are shelving lters that increase or
decrease all frequencies above or below their cut-o frequency. The cut-o
frequencies of the upper and lower band are 12 kHz and 80 Hz respectively.
Themid band is congured as a peak lter with a center frequency of 2.5 kHz.
2.1.3 Aux sends
Fig. 2.3: The AUX SEND controls in the channel strips
Aux sends take signals via a control from one or more channels and sum these
signals to a so-called bus. This bus signal is sent to an aux send connector and
then routed, for example, to an active monitor speaker or an external eects
device. The return from an external eect can then be brought back into the
console via the aux return connectors.
For situations which require eects processing, the aux sends are usually
switched post-fader so that the eects volume in a channel corresponds to
the position of the channel fader. If this were not the case, the eects signal
of the channel would remain audible even when the fader is turned to zero.
Whensetting up a monitor mix, the aux sends are generally switched to
pre-fader; i.e. they operate independently of the position of the channel fader.
Both aux sends are mono, are sourced after the equalizer and oer up to
+15 dB gain.
◊ If you press the MUTE/ALT 3-4 switch, aux send 1 is muted,
provided that it is switched post-fader. However, this does not
affect the aux send 2 of the X1204USB.
AUX 1 (MON)
In the X1204USB, aux send 1 can be switched pre-fader and is thus particularly
suitable for setting up monitor mixes. In the 1204USB, the rst aux send is
labeled MON and is permanently switched pre-fader.
PRE
When the PRE switch is pressed, aux send 1 is sourced pre-fader.
AUX 2 (FX)
The aux send labeled FX is for sending to eects devices and is thus set up to be
post-fader.
In the X1204USB, the FX send is routed directly to the built-in eects processor.
◊ If you wish to use the internal effects processor, the STEREO AUX
RETURN 2 connectors should not be in use.
◊ X1204USB: you can also connect an external effects processor to
aux send 2, however the internal effects module will be muted.
2.1.4 Routing switch, solo and channel fader
Fig. 2.4: Panorama and routing controls
PAN
The PAN control determines the position of the channel signal within the stereo
image. This control features a constant-power characteristic, which means the
signal is always maintained at a constant level, irrespective of position in the
stereo panorama.
MUTE/ALT 3-4
You can use the MUTE/ALT 3-4 switch to divert the channel from the main mix
bus to the Alt 3-4 bus. This mutes the channel from the main mix.
MUTE-LED
The MUTE LED indicates that the relevant channel is diverted to the submix
(Alt3-4 bus).

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