Behringer high-precision digital 24-bit/96 kHz EQ/RTA mastering processor DEQ2496 - Manual (Page 10)

10 ULTRACURVE PRO DEQ2496 User Manual
The HOLD function determines how long the signal level is reduced, once the
threshold has been exceeded (upper data wheel). Only when this time has
expired (0 - 1,000 ms), will the RELEASE parameter take over. The control range of
the THRESHOLD parameter (large data wheel) is from 0 to -24 dB, RELEASE can be
adjusted between 20 and 4,000 ms (lower data wheel). A long key press on the B
key resets the LIMITER parameters to their default values.
◊ The LIMITER function is always active and cannot be switched off. It is
also active in bypass mode, however, only works to a limit value of 0 dB,
so as to avoid digital distortion occurring on the outputs.
3.5 UTILITY menu
The UTILITY menu provides basic defaults settings (GENERAL SETUP) and MIDI
configurations on two pages. The upper and lower data wheels select the
parameters, which can then be edited with the large data wheel.
◊ When you keep the UTILITY key pressed for about 1 s, the ULTRACURVE
PRO will be locked and cannot be accessed any longer (PANEL LOCKED).
Keep the key pressed again to unlock the unit (PANEL UNLOCKED).
GENERAL SETUP (page 1)
Fig. 3.16: UTILITY menu (page 1)
CONTRAST
Here you can adjust the display contrast to adapt it optimally to studio/stage
environments (large data wheel).
CHANNEL MODE
As already mentioned, you can choose between DUAL MONO and STEREO LINK
mode. In DUAL MONO mode all settings for the left and right stereo sides can
be entered separately. When you switch to STEREO LINK mode, the settings of
one stereo side will be copied to the other. You can select whether the left side
shall be copied to the right, or the right side to the left (“COPY LEFT -> BOTH” or
“COPY RIGHT -> BOTH”). All subsequent editing will have an effect on both sides
simultaneously. Finally, to activate one CHANNEL MODE, confirm your entry with
the B key (“ACCEPT MODE”).
GEQ MODE (“TRUE RESPONSE”)
Due to the design of conventional equalizers there is always a difference between
the adjusted frequency response curve and the resulting real frequency response.
This difference depends on the frequency and the amount of boost/cut applied.
Adjacent frequency ranges have a mutual influence on each other, so that the
amounts of boost/cut in the individual frequency bands are added together.
Fig. 3.17: Graphic equalizer without frequency response correction (UNCORRECTED)
The setting UNCORRECTED retains this mutual influence. With a specially
developed algorithm the ULTRACURVE PRO can make up for this phenomenon.
To use this characteristic, select TRUE RESPONSE.
Fig. 3.18: Graphic equalizer with frequency response correction (TRUE RESPONSE)
The resulting real frequency response now corresponds exactly to the setting
made with the graphic equalizer.
GAIN OFFSET (EQ)
Here, you can correct the overall gain of the EQ modules.
RTA NOISE CORRECTION
The algorithm used by the RTA (Real-Time Analyzer, “warped” FFT) leads to
inaccuracies with wide-spectrum signals such as noise, due to the asymmetric
overlapping of individual frequency ranges. When the built-in noise generator
is on or the AVRG setting in the RTA menu has been selected, this correction will
be made automatically, and needs not be switched on manually. With all other
signals, however, this function should be off; otherwise, the individual frequency
bands might be displayed incorrectly.
SHOW MESSAGE BOX
Here, you can determine whether the unit displays dialog windows or not.
RTA/MIC INPUT
Controls the input sensitivity of the RTA/MIC input. You can choose between
LINE LEVEL, MIC LEVEL and MIC LEVEL +15 V (phantom power).
RTA/MIC LINE LEVEL
When the RTA/MIC input is set to LINE, this parameter determines the maximum
input level (for 0 dBFS (full-scale) from -14 to +22 dBu).
RTA/MIC MIC LEVEL
When the RTA/MIC input is set to MIC, this parameter determines the sensitivity
depending on the microphone connected (input sensitivity: -42 to -6 dBV/Pa).
MIDI SETUP (page 2)
Fig. 3.19: UTILITY menu (page 2)
The DEQ2496 can both transmit and receive MIDI data and thus works perfectly
with other MIDI equipment.