DSPeaker ANTI-MODE 2.0 DUAL CORE User manual

Anti-Mode 2.0 Dual Core
Owner's Manual

Recycling information
The product you have purchased is marked accordin to the Waste
Electrical and Electronic Equipment Directive (WEEE Directive).
There are take-back systems in place that help to preserve nature
and natural resources when products are disposed of appropriately.
If you need to dispose of this product, use the take-back system that
has dedicated collection facilities for electronic equipment. Do not put the product into
household waste disposal!
Also, the product has been manufactured usin parts and processes that follow the
directive of the Restriction of the use of certain Hazardous Substances in Electrical and
Electronic Equipment (RoHS).
Intended Use
This product has been desi ned for normal indoor use and to be connected to other
equipment with cables not exceedin 3m (10 feet) in len th. If you use cables of
extended len th, check that their quality is sufficient and observe electrostatic
dischar e precautions when connectin or disconnectin them. Use of the device
outdoors, in humid or other extreme environments, may cause reduced performance
or risks to the user of the equipment.

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Table of Contents
1.Introduction......................................................................................................4
1.1 What's included in the box..................................................................................4
2.Overview..........................................................................................................5
2.1 Front Panel........................................................................................................... 5
2.2 Rear Panel........................................................................................................... 5
2.3 Gettin Started.................................................................................................... 6
2.4 Typical Room Calibration..................................................................................... 7
3.Home Screen View..........................................................................................11
4.Settin s Menu.................................................................................................13
4.1 House Curve Tool..............................................................................................14
4.2 Tilt Curve Tool................................................................................................... 15
4.3 Infrasonic Filter................................................................................................. 16
4.4 Hi h/Lowpass filters.......................................................................................... 17
4.5 Custom Parametric Equalizers..........................................................................17
4.6 Homescreen and QuickTone.............................................................................20
4.7 Audio Settin s.................................................................................................. 21
4.8 Input Settin s................................................................................................... 22
4.9 Lan ua e Selection..........................................................................................22
4.10 Factory Reset..................................................................................................23
4.11 Information..................................................................................................... 23
4.12 PC Link............................................................................................................ 23
5.Usin Sound Profiles.......................................................................................24
6.Advanced Calibration......................................................................................25
7.Multi-point (Wide Area) Calibration.................................................................26
8.Room Response menu (Measurements).........................................................27
9.Audio Connections..........................................................................................29
10.Troubleshootin ............................................................................................30
11.Technical Specifications................................................................................33
11.1 Interfaces........................................................................................................ 33
11.2 Analo Specifications......................................................................................33
11.3 Firmware Specifications...................................................................................33
12.Contact.........................................................................................................33
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1.Introduction
You are in possession of a remarkable audio device capable of – no less than –
makin wonders to the sound quality of most audio systems. The list of the
advanced features of the Anti-Mode 2.0 Dual Core is lon ; includin jitter-less
di ital output, audiophile- rade D/A converters with di itally controlled analo
volume control, etc. But perhaps the most important feature, re rettably
commonly overlooked by the industry, is the ability to correct the room
resonances and other adverse effects enerated by the listenin environment.
Perfection in sound can only be achieved throu h the mastery in the art of
room acoustics!
We have worked hard to ensure that the Anti-Mode 2.0 Dual Core is not only
powerful and versatile but also intuitive and easy to use. However, it is a ood
idea to read this manual in whole before operatin the unit.
This manual is for firmware version “Dec 2 2012” or newer.
1.1 What's included in the box
✔The Anti-Mode 2.0 Dual Core
✔A power supply unit suitable for your country / re ion
✔A calibration microphone
✔An infra-red remote controller
✔A USB cable
✔This owner's manual
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2. verview
2.1 Front Panel
(1) Infrared sensor
(2) TFT display
(3) Calibration microphone connector
2.2 Rear Panel
(1) Analo balanced XLR input*
(2) Analo balanced XLR output
(3) Analo RCA input*
(4) Analo RCA output
(5) Power supply input (12VDC)
(6) USB connector
(7) S/PDIF Toslink input
(8) S/PDIF Toslink output
(9) DSPeaker datalink connector *) see the warnin below.
IMP RTANT: Never connect both RCA and XLR inputs (1) and (3)
at the same time! The analo INPUT connector types are meant to
be exclusive alternatives to each other.
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123
OUTPUT
1 2
34
56
78
9

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2.3 Getting Started
Anti-Mode 2.0 Dual Core can be utilized in many different kinds of confi urations.
Before powerin the device, please connect all the inputs and at least one of the
outputs that are relevant to your system.
Virtually all of the user interaction is carried out by usin the remote controller. Below
are some commands that are commonly used throu hout the interface:
➢ The MENU button brin s out the main menu (press MENU a ain or the BACK
button to return back to home screen from the main menu)
➢ Directional arrow buttons chan e the active menu item
➢ The K button accepts any chan es made and advances to the next screen
➢ The BACK button returns to the previous screen
➢ The three color-coded buttons (blue, orange and green) select similarly colored
items in the various EQ editor screens. The primary actions of these buttons are
active in the home screen only (display, bypass and UTPUT.)
When the device is powered up for the first time, the lan ua e selection screen
appears. Use the LEFT / RIGHT arrow buttons on the remote to select the lan ua e
and press K to confirm. If needed, the lan ua e can be chan ed later from the
Settin s menu.
It is hi hly recommended to perform the room calibration process ri ht away.
Follow the steps described in the next “Typical Room Calibration” chapter.
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Color-coded buttons
Profile buttons (A- )
Menu navigation
Standby

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2.4 Typical Room Calibration
Typical calibration is the default process, where the listenin room is analyzed and
corrected automatically. The optimal frequency limit of the correction is automatically
detected based on the room response.
➢ Press MENU on the remote controller. The main menu screen appears.
➢ Use the arrow buttons to hi hli ht the Calibration menu item and press the K
button to select it.
➢ Press K to accept the Typical calibration mode (The Advanced mode allows more
options to choose from. That and Multi-point calibration will be described later in this
manual.)
➢ The speaker confi uration screen appears. Use the arrow buttons to select the
option that best matches your speaker setup. If you are unsure, select the 2.0
Stereo confi uration. Press K to confirm the selection.
➢ The microphone check screen appears. At this point, plu in the provided calibration
microphone to the microphone jack and position it at the primary listenin spot. The
microphone should be positioned at ear hei ht, with no reflective surfaces near the
tip and fixed in place.
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MAIN MENU
Calibration
Multi-point
2.0 CALIBRATI N
Typical
Advanced
C NFIGURATI N
2.0 Stereo
PREPARE MIC
Volume OK
S/PDIF UTPUT
MIN MAX

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Do not hold the microphone or the microphone cable in your hand durin the
measurement! Rather find a secure position where the microphone stays intact
throu hout the whole calibration process.
➢ Make sure either analo or di ital output is connected to powered speakers or
subwoofers. If the analo output is used, a test tone should now be audible.
➢ If needed, press the UTPUT button on the remote to chan e to di ital output.
Please consider the warnin below prior to doin so.
WARNING: In order to preserve the dynamic ran e, di ital output
si nal is never scaled. Consequently, the di ital output level is
always at 0 dB (i.e. maximum.) When usin the S/PDIF output,
please be sure to adjust your amplifier's volume controls to a
moderate level in order to avoid dama in your ears and/or your
audio equipment!
➢ Use the arrow buttons or the V L+ and V L- buttons to adjust the calibration
volume (analo output only).
➢ The field at the lower part of the screen displays ”Volume OK” when Anti-Mode
detects a sufficient volume level for a reliable calibration.
➢ The provided volume indication is a recommendation, and it best works with
speakers. Sometimes even a lower volume level may be sufficient for a decently
accurate measurement.
➢ If you can't hear the test tone (hissin noise), please make sure the output is
connected and the amplifiers or powered speakers are functionin properly.
➢ When you are ready to start the calibration process, press the K button to
proceed.
F R BEST RESULTS: When calibratin a subwoofer system: 0.2
Stereo, 0.2 Dual-Mono, or a sin le subwoofer, make sure that the
built-in lowpass filters of the subwoofer(s) are bypassed or set to
the hi hest cutoff frequency. You can restore the settin after
calibration or use Dual Core's Lowpass Filter Tool.
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➢ Dependin on confi uration, the calibration procedure may start with a speaker
distance detection. If the distance detection is successful, room acoustic analysis
be ins immediately after it.
➢ Durin the acoustical analysis phase, Anti-Mode enerates several frequency
sweeps. After the first sweep, the initial room response raph is shown in red.
➢ It is normal that the analysis phase lasts several minutes.
➢ You can cancel the calibration process at any time by pressin the BACK button.
This will revert the room correction parameters back to their previous calibration
state. (However, possible new speaker delay values from the distance detection step
stay in effect. Please note that this behavior may chan e in a future firmware
revision.)
➢ Once the analysis phase is finished, the corrected room response is shown in black.
The limit of the automatically corrected ran e is displayed with a vertical dashed
bar. Press the K button to dismiss the screen. (Both the before and after raphs can be
viewed later in the Room Response menu accessible from the Main menu.)
➢ Con ratulations! Your system is now optimized for the most accurate sound. Press
the MENU button (or the BACK button) to return from the main menu to the home
screen.
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PLEASE N TE: After Anti-Mode ets rid of the room resonances,
the results may appear ood but lackin some bass. One possible
reason is that the listener has rown used to the exa erated bass
response previously caused by room resonances.
If you feel the need to increase the overall bass level, you can do
this usin the house curve tool or desi nin a custom EQ to lift the
low-frequency band. You can also use a QuickTone bass adjustment
or adjust the Compensation value from the Audio Settin s menu.
After you have run the calibration once, you can view the before and after
measurements from the Room Response ( Measurement ) menu. You can use the same
menu to make and view your own room response measurements.
3.Home Screen View
The default home screen view consists of three components. The currently active input
is displayed at the center.
Similarly, the currently active output is shown at the bottom of the screen.
The top of the home screen shows state information. The icons are from left to ri ht:
(1) Input sample rate (in kHz)
(2) Input bit depth (when available)
(3) House curve indicator
(4) Tilt curve indicator
(5) Lowpass or hi hpass indicator
(6) Custom EQ indicator
(7) Infrasonic filter indicator
(8) Speaker confi uration indicator
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(9) The Currently active sound profile (desi nations “A” to “D”). Press the corres-
pondin button on the remote to select a new active sound profile. See the ”Usin
Sound Profiles” section for further information.
➢ The active input can be switched by pressin the INPUT button on the remote.
Note : You can also select next or previous input usin arrow buttons, if you assi n the
INPUT function to the buttons from the Homescreen menu. This way, you don't need to
cycle thou h the inputs with the INPUT button.
➢ Press the UTPUT (green-coded) button to switch between the di ital and analo
output modes.
➢ Press the BYPASS (orange-coded) button on the remote to to le the room
correction on and off. The back round of the home screen turns red when Anti-Mode
room correction is NOT active.
➢ Press the DISPLAY button (blue) on the remote to to le screen dimmin . The
dimmed mode is less obtrusive with much less information on display. The state of
the display is saved when you switch the unit to stand-by state usin the standby
button.
➢ Keep the DISPLAY button pressed for 2 seconds to turn the display off completely
(this state is not saved).
➢ By default K activates the main menu.
➢ The default functions for arrow keys are QuickTone actions: UP / D WN control
Bass, LEFT / RIGHT control Treble.
QuickTone can be used to quickly perform full-spectrum adjustments from the home
screen usin the arrow buttons. This is extremely useful when the user wants to
quickly and often compensate for too bri ht or subdued recordin s. QuickTone is a
short-cut to automatically activate the filters of the House Curve and Tilt curve tools,
which means usin it overrides any settin s on them. Use the Homescreen menu
under Settin s to confi ure the arrow buttons for different functions.
When you use the QuickTone controls at the home screen, the applied curve is briefly
shown on the screen as simplified shape of the frequency response. You can adjust the
curve between flat (no curve) and very stron curve usin 1dB steps.
When you adjust only bass or treble usin QuickTone (the default), the other
adjustment is not chan ed.
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4.Settings Menu
Access the Settin s menu from the home screen by pressin the MENU button on the
remote, then use the arrow buttons to hi hli ht Settin s and press K. Amon other
thin s, this menu contains powerful tools for customizin the sound si nature.
The House curve tool adjusts tar et curve for the low frequencies (bass).
The Tilt curve tool adjusts tar et curve for the hi her frequencies (treble).
Enable or disable the built-in infrasonic filter. Select between three most
common cut-off frequencies (10 Hz, 15 Hz, and 20 Hz).
The Custom parametric equalizer tool creates filters with freely adjustable
center frequency, bandwidth and ain. Up to 16 independent filter slots are
available. Only recommended for advanced users.
Audio Settin s modify channel balance, headroom, and dip compensation.
Homescreen: You can confi ure the arrow and OK button functions.
Input Settin s: this menu allows to adjust analo input sensitivity, volume
trim, and the operation mode of the USB volume control.
The Lowpass or hi hpass tool. Create lowpass or hi hpass filters with the
desired characteristics. Two independent filter slots are available. Only
recommended for advanced users.
Lan ua e: Chan e the menu lan ua e.
Factory reset: clear all data from the selected sound profiles (the Anti-Mode
correction, custom settin s etc.) Use with caution: this operation cannot
be undone.
System Info: Display firmware version and CPU usa e information.
PC link: export the measurements to a computer via USB or perform system
update. System update requires separate software which is currently
available for Windows only. Visit www.dspeaker.com for more information.
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PLEASE N TE: Any chan es made in the various EQ editors are
enerally not updated in real-time. In order to hear the difference
in the sound output, accept the chan es and close the
correspondin editor by pressin K on the remote controller.
4.1 House Curve Tool
The House curve tool provides a method of chan in the tar et curve of the bass
response. The motivation behind a house curve is in the sensitivity of the human
auditory system and the hearin threshold – in addition to personal preference, of
course. When sound pressure level is low enou h, we are no lon er able to hear the
lowest bass frequencies, some some emphasis may be required. It is easy to add a
boostin equalizer to the lower bass re ion usin the house curve tool.
Note: the QuickTone Bass, Tilt, and Loudness controls uses the house curve filter,
overridin user settin s.
WARNING: As with any low-frequency boostin EQ, employin an
en a in house curve must be done with caution. Excessive low
frequency liftin may introduce clippin of the amplifier or even
cause dama e to the woofer. Add house curve boostin in small
increments at a time.
The parameters of the House Curve tool are:
✔Tilt: Defines the frequency ran e of the low
frequency boost (the effect is illustrated on the
screen). Adjust usin the LEFT/RIGHT buttons or
the blue-coded button.
✔Lift: Defines the maximum boost in decibels (the
effect is illustrated on the screen). Adjust usin the
UP/D WN buttons or the orange-coded button.
✔Enabled: Enables or disables the applied house
curve. To le with the green-coded button.
Please note that modifyin the parameter values will automatically enable this
equalizer. Press the green button (followed by K) to disable it a ain.
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20 30 50 100
H USE CURVE
TILT 3 LIFT 5 ENABLED

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EXAMPLE: Boostin the lower bass under 50Hz by about 3 dB
How to do it step-by-step:
➢ Open main menu by pressin the MENU button on the remote
controller.
➢ Navi ate to the Settin s menu usin the arrow buttons and press K
to select it.
➢ Select the House Curve Tool usin arrow buttons a ain (the first item
on the upper row.)
➢ Press K and the House Curve tool opens. Usin the LEFT and RIGHT
arrow buttons, set Tilt to 2 or 3. The approximated response is shown
on the screen.
➢ Usin UP and D WN arrow buttons, set Lift to 3.
➢ Once ready press K to apply the new house curve
4.2 Tilt Curve Tool
The Tilt curve tool provides a method of chan in the overall frequency response
slope of the treble. The motivation behind a tilt curve is (alon personal preference) to
compensate differences in various recordin s. One can, for example, make a profile
with treble tilted down to tame too “bri ht“ recordin s.
Note: the QuickTone Treble, Tilt, and Loudness controls use the tilt curve filter,
overridin user settin s.
The parameters of the tilt curve are:
✔Freq: The transition frequency of the effect
(illustrated on the screen). Adjust usin
LEFT/RIGHT arrow buttons or the blue-coded
button.
✔Gain: Attenuation (ne ative values) or emphasis
(positive values) of the selected band. Adjust usin
UP/D WN arrow buttons or the orange-coded
button.
✔Enabled: Enables or disables the applied tilt curve.
Please note that modifyin the parameter values will automatically enable this
effect. Press the green button (followed by K) to disable it a ain.
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20 50 100 5k
TILT CURVE
F 1500 GAIN-3 ENABLED
200 500 1k 2k 10k

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EXAMPLE: Addin a -3dB treble tilt-down above 5 kHz
Back round: Some recordin s seem too bri ht or 'toppy' in their
tonal balance. To compensate this the hi h frequencies can be
toned down usin a subtle hi h frequency attenuation filter.
How to do it step-by-step:
➢ Open main menu by pressin the MENU button.
➢ Navi ate to the Settin s menu usin the arrow buttons and press K
to select it.
➢ Select the Tilt Curve usin the arrow buttons a ain (the first element
on the lower row.) Press K to open the Tilt Curve tool.
➢ Now you can adjust the pivot frequency usin LEFT/RIGHT arrow
buttons, until the value is 5000Hz.
➢ Use the UP/D WN buttons to set attenuation to -3dB. You can see the
approximated frequency response of the filter on the screen.
➢ To save the filter, press K.
➢ At any time, you can disable the tilt curve by openin the Tilt Curve
tool a ain and pressin the green-coded button to disable the effect,
followed by K to apply the chan es.
4.3 Infrasonic Filter
The Infrasonic filter tool is a quick way to apply a subsonic hi hpass filter that filters
out the si nals below the audible band. The motivation behind an Infrasonic filter is to
protect the woofer cones and to eliminate the effect of infrasonic harmonics and/or
inter-modulation distortion. It is recommended to use an infrasonic filter whenever
excessive house curve or low frequency boostin parametric equalizers are applied.
The controls of the infrasonic filter are:
✔Frequency: The frequencies below this threshold are attenuated.
✔Enabled: Enables or disables the infrasonic filter.
Use the arrow buttons on the remote controller to chan e the parameters. Press the
K button to store settin s or the BACK button to cancel.
Note: You can also desi n a custom infrasonic filter with the Lowpass/Hi hpass tool,
which ives more control over the parameters (see Hi h/Lowpass filters section
below.)
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4.4 High/Lowpass filters
The Anti-Mode 2.0 Dual Core features fully customizable hi hpass and lowpass filters.
These filters can be used to control the pass-band of the speaker or subwoofer. For
example, with a custom lowpass, it is easy to implement a more precise di ital cross-
over filter for a subwoofer. A custom hi hpass filter can be used to attenuate lower
frequencies and thus prevent them from reachin the main speakers.
To desi n a custom lowpass or hi hpass filter, navi ate into the Hi hpass/lowpass
section of the Settin s menu. Note that you can desi n two independent filters by
selectin a different filter slot (use the LEFT/RIGHT arrow buttons to hi hli ht a slot
and press the K button to accept).
This allows you to desi n extremely steep lowpass or hi hpass filters, for example
duplicatin a maximally steep filter results in 48 dB / octave slope.
The controls of the hi h/lowpass filter tool are:
✔Frequency: the cut-off frequency of the filter, at which point the si nal is
attenuated exactly 6 dB. Activate with the blue-coded button, adjust with the
LEFT/RIGHT arrow buttons (coarse) and UP/D WN (fine).
✔Slope: the steepness of the filter (6, 12, 18, or 24 dB / octave). Cycle with the
orange-coded button.
✔Settings: open the settin s submenu.
Settin s submenu:
✔Channel: selects the filter to apply to both channels, or just left or ri ht channel.
Use the LEFT/RIGHT arrow buttons to chan e the selection.
✔Type: selects the filter type: hi hpass or lowpass. Use the LEFT/RIGHT arrow
buttons to chan e the selection.
✔n/off: enables or disables the filter. Use the LEFT/RIGHT arrow buttons to enable
or disable.
4.5 Custom Parametric Equalizers
The Custom Parametric Equalizers (PEQs) are very versatile filter structures that can
implement a wide ran e of different bandstop, bandpass, hi hpass and lowpass filters.
All user-defined parametric EQs are or anized in 16 filter slots. The first step of the
Parametric EQ tool is the filter list screen. Use the arrow buttons to hi hli ht an
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inactive filter to create a new custom filter, or select an existin filter to chan e its
parameters, then press the K button to accept the selection. Note that there are
more slots than the 6 visible ones, just scroll down with the D WN button. Active
filters are represented with reen boxes in the filter list, inactive filters are rayed out.
The filter name (such as EQ01 S) ives eneral information about the desi ned filter.
The number after the EQ refers to the number of the filter slot (ran in from 01 to 16).
The arrow points either up or down to indicate its CPU usa e: hi h or low, respectively.
The last letter indicates whether the filter is stereo (“S”), left channel only (“L”) or ri ht
channel only (“R”).
After selectin a filter to edit, the filter overview screen appears. An approximated
response of the filter is displayed. The followin actions are available:
✔Edit: activates the edit mode (see below).
✔Filter name: the filter slot of the current PEQ.
✔Settings: Opens the settin s submenu.
Edit mode controls are:
✔Center Frequency: the frequency at which the filterin effect is applied. Adjust with
LEFT/RIGHT arrow buttons (coarse) and UP/D WN buttons (fine)
✔Bandwidth: approximately the 3 dB bandwidth of the effective band. This is equal
to settin the Q value of the filter, but for simplicity user can adjust the bandwidth
instead of the Q-value. (Q-value = Fc / Bw). Adjust with LEFT/RIGHT arrow buttons
(coarse) and UP/D WN buttons (fine).
✔Gain: filter ain in decibels. The value is ne ative for a cuttin PEQ (bandstop) and
positive for a boostin (peakin ) PEQ.
Press the K button (or the BACK button) to return to filter overview.
Options in the settin s submenu:
✔Channel: Defines the channel this filter is associated with (left, ri ht, or both).
✔n/off: Enables or disables the desi ned filter.
Press the K button (or the BACK button) to return to filter overview.
Press the K button to accept any chan es, close overview and return to the filter list.
Use the BACK button to discard any chan es made. Please note that any new filters
or edits will not affect the sound audibly until the filter list is closed.
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EXAMPLE: Addin a psycho-acoustic 3 kHz dip
Background: The idea behind makin a 3 kHz dip ori inates from the
human auditory system and diffuse field characteristics. The human
hearin is less sensitive to diffuse fields in the nei hborhood of 3 kHz.
Because of a flat microphone response, compared to the ori inal listenin
situation for example in a concert hall, many recordin s have too much
ener y around 3 kHz. A cuttin PEQ at 3 kHz can be introduced to
compensate. Whether or not this is beneficial is left to be jud ed by the
user. This example shows how to create the cuttin PEQ or any other
parametric equalizer.
How to do it step-by-step:
➢ Open the menu display by pressin the MENU button
➢ Navi ate to the “Settin s” menu usin the arrow buttons and press K
to select it
➢ In the settin s menu, select the “Parametric EQ” usin the arrow
buttons. (The second element on the lower row.) Press K to proceed.
The Parametric EQ filter list appears.
➢ First you need to assi n a filter slot for the filter. If there are no
previously desi ned Parametric EQ filters, the first slot is automatically
selected and you only need to press K to proceed to the PEQ desi ner.
➢ At the filter overview, open the “EDIT” submenu by pressin the blue-
coded button on the remote controller.
➢ Adjust the center frequency to 3000Hz by pressin the arrow buttons.
(You can press and hold the buttons to adjust faster.)
➢ Press the orange-coded button to activate the bandwidth adjustment.
Usin the arrow keys set the bandwidth to about 1000 Hz.
➢ Press the green-coded button to adjust the filter ain. Usin UP/D WN
for +/- 0.1dB adjustments and LEFT/RIGHT for +/- 0.5dB, set the ain to
-4.2dB.
➢ The custom equalizer is now ready. Save it by pressin K twice. You are
returned to the filter list. The desi ned filter ets enabled when you o
back to the settin s menu by pressin the BACK button.
➢ Now you can try out how the psycho-acoustic dip works for you. You can
also fine-tune the parameters and try to find out if there is a settin that
suits your ears the best.
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4.6 Homescreen and QuickTone
The Homescreen menu confi ures the operation of the arrow and K buttons when
the Home screen is visible. The QuickTone controls are the quickest and easiest way to
control bass and treble. The default assi nment for the UP/D WN buttons is bass,
and treble for the LEFT/RIGHT buttons.
To confi ure the K button, select the bottom entry and use LEFT and RIGHT arrow
keys to select between Menu and Play . The former allows the K button to brin up
the menu (default), the latter chan es the K button to act as a Play / Pause button in
the USB mode.
You can assi n functions to the UP / D WN and LEFT / RIGHT arrow buttons by
selectin a pair usin the UP / D WN buttons, then pressin K. An array of options
appear. Hi hli ht the option you want to assi n, then press K to select. The options
are:
1. OFF : no function assi ned
2. TILT : tilt the full spectrum (bass down and treble up, or bass up and treble down)
3. BASS : adjust bass (0 to 6 dB) – default for the UP/D WN buttons
4. TREBLE : adjust treble (-6 to 6 dB) – default for the LEFT/RIGHT buttons
5. LOUDNESS : adjust loudness curve (bass up and treble up)
6. INPUT : switch to next/previous input (no need to cycle thou h all of them)
7. PRV/NEXT : previous and next track for USB mode. The player pro ram on the
PC needs to implement previous and next for these buttons to work.
By assi nin Tilt, Bass, Treble, or Loudness you can quickly perform full-spectrum
adjustments from the home screen, thus we have named the function QuickTone. This
is extremely useful when the user wants to compensate for too bri ht or subdued
recordin s. QuickTone automatically activates the filters of the House Curve and Tilt
curve tools, which means it overrides possible user settin s on them.
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OK: Play
Up/Down
H MESCREEN KEYS
Left/Ri ht

ANTI-M DE 2.0 DUALCRE
OWNER'S MANUAL
When you use the QuickTone controls at the home screen, the applied curve is briefly
shown on the screen as a simplified shape of the frequency response. You can adjust
the level of the applied curve between flat (no curve) and very stron curve usin 1dB
steps.
When you adjust only bass or treble, the other adjustment is not chan ed.
4.7 Audio Settings
Audio settin s can be confi ured from this menu.
Use the manual channel balance adjustment to match the levels of the left and ri ht
speakers. Chan es in this dialo take effect immediately. Press the K button on the
remote to accept the new adjustment or press the BACK button to discard chan es.
All internal processin is performed with 32- or 40-bit accuracy with the appropriate
number of bits reserved for headroom. However, if emphasizin (amplifyin ) filters are
used, some input si nals could cause saturation / clippin at the output. The unit
automatically calculates the best headroom settin from the ains of the active filters.
However, if you only use the analo input and do not use the full input ran e, you can
chan e the headroom settin to a lower value. If the automatically calculated value is
too small (causin clippin at output), you can manually increase the headroom value.
The headroom value is automatically re-calculated any time you calibrate or chan e
filter settin s, so remember to re-do your own adjustment in these cases.
When performin calibration in the advanced mode, you can select different dip
compensation modes: normal, maximum, or no dip compensation. Usin the
Compensation adjustment you can manually increase or decrease the lowpass shelve
filter effect that was automatically determined by the calibration. Note that this
adjustment does not affect the before / after measurement display, but you can
perform a user measurement to determine the best value.
Notice: channel balance, headroom, and dip compensation values are associated with
the current sound profile.
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CHANNEL BALANCE
Close
L R
00.0 dB
Ch. Balance
AUDI SETTINGS
Headroom
Compensation
DIGITAL HEADR M
Close
Min Max
00.0 dB