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4. CONTROLS
Fig. 4.1: ULTRAFEX PRO front panel
The BEHRINGER ULTRAFEX PRO has two identical channels and provides 5 illuminated push-button switches,
5 rotary controls, and 13 LEDs per channel.
4.1 The Multiband Processor Section
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Fig. 4.2: Controls of the Multiband Processor section
1
The IN/OUT switch activates the relay and puts the corresponding channel into operation. With the
switch in the OUT position, the unit is bypassed.
2
The AUTO NR switch (AUTO NOISE REDUCTION) activates the automatic noise reduction system.
If the switch is not depressed, the section is switched off and the unit operates with maximum effect.
3
The NR SENSITIVITY control adapts the sensitivity of the Natural Sonic processor to the input level of
the program material. The subsequent EFFECT meter helps you to adjust the NR SENSITIVITY control.
4
In conjunction with the NR SENSITIVITY control, these thirteen EFFECT meter LEDs provide correct
level indication for the unit. The LEDs display the amount of sound enhancement.
+ Please make sure, that the sensitivity of the unit is high enough especially at low-level signals.
Otherwise audible pumping may occur. The first LED should always be illuminated even at
low-level signals and should only go off when the music stops.
5
The TUNE control sets the lower cutoff frequency of the high-pass filter. Using this control you can
select the frequencies that are routed to the Natural Sonic processor. The cut-off frequency can be
adjusted within a range of 1 to 8 kHz.
6
The PROCESS control determines the function of the device. When turning the control in clockwise
direction, the Exciter function is activated, which increases the signals transparency and sharpness.
Consequently, the ULTRAFEX PRO can be adapted to the program material, to suit the application on
hand as well as any personal sound preferences.
+ Please note that with classical program material, acoustic instruments or with output signals
that already include sufficient treble frequencies, the Enhancer setting should be preferred.
However, when processing, for instance, a slapped bass guitar, it is the Exciter setting
which should dominate.
4. CONTROLS