Owner’s Manual
RCS 2.2 XP
Preamplifier /
Dynamic Room Correction System
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TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION
SHOCK DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK,
DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the product.
The lightning with arrowhead symbol within an equilateral triangle is
intended to alert the user to the presence of “Dangerous Voltage” within
the product’s enclosure that may be of sufficient magnitude to constitute
a risk of electrical shock to a person.
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Important Safety
1. Read these instructions entirely before installing or operating this equip-
ment.
2. Keep these instructions.
3. Heed all warnings.
4. Do not use this equipment near water or allow it to become wet.
5. Do not block any ventilation openings. Install in accordance with the manufac-
turer’s instructions.
Do not install near any heat CsoAurUcesTsIuOchNas radiators, heat registers, stoves,
6.
or other appliances (including amplifiers) that produce heat; doing so may
damage the unit and present a fire hazard.
7. Do not defeat the safety purpose of the polarized or grounding-type plug.
A
polarized plug has two blades with one wider than the other. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the
outlet to one that is polarized. To protect against electrical shock, match the
wide blade of the polarized plug to the wide slot in the outlet and fully insert
the plug.
8. Protect the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit the equipment. Do not
use this unit with a damaged cord or plug.
9. Only use attachments/accessories specified by the manufacturer.
10. Unplug this equipment during lightning storms or when unused for long peri-
ods of time.
11. Refer all servicing to qualified service personnel.
1. Always unplug the unit from the electrical outlet before cleaning.
2. Do not use abrasive cleaners. Simply wipe the exterior with a clean soft cloth.
A small amount of nonabrasive cleaner may be used on the cloth to remove
excessive dirt or fingerprints.
Cleaning and
Maintenance
The >note<
operation.
symbol indicates information very useful or essential to daily
4
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Acknowledgments
© 2006 Tact Audio Corporation. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by
any means, electronic, mechanical, photocopying or other wise, without the prior
written consent of the Tact Audio Corporation.
The information contained in this document is subject to change without
Registration
Please record your serial number here for future reference. You will need this for
future upgrades or should you ever require service on your RCS 2.2 XP Pream-
IMPORTANT!
plifier.
RCS 2.2 XP serial number: _____________________
Optional modules installed:
DAC-1 analog output / main-channels:
DAC-2 analog output / subwoofers:
ADC analog input:
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Safety instructions
Acknowledgments/Registration
Unpacking the RCS 2.2X
Connecting the RCS 2.2X
Front Panel Display
Parametric EQ Menu
LINK option
47
6
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Carefully remove the RCS 2.2 XP and accessory kit from the carton and visually
check for shipping damage. Contact both the shipper and TacT Audio immediately
if the unit shows any sign of damage from rough handling. All TacT Audio equip-
ment is carefully inspected before leaving our factory.
KEEP SHIPPING CARTON AND PACKING MATERIALS for future use or in the
unlikely event that the unit needs servicing. If this unit is shipped without the
original packing, damage could occur and void the warranty.
You should find the following items in the accessory kit:
1 AC mains cord
1 RJ11-to-RS232 adapter
1 15’RS232 cable
CD-ROM with RCS software
Measurement microphone
Remote control
2 AAA batteries
This manual
The RCS 2.2 XP is designed with an automatic switching power supply. It will oper-
ate on 65-265 volts at 50-60 Hz. No external settings are required.
Operating voltage
The RCS 2.2X has three operating modes:
AC mains power is cut off, either via the rear panel mains
switch, or by unplugging it from the wall outlet.
The unit is powered but all outputs are muted and the display
is off. The unit uses very little current and is “idling”or “sleep-
ing”. Use the remote or front panel “STANDBY”button to
toggle between ON and STANDBY.
Everything is powered and ready to go.
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Congratulations on your purchase of your RCS 2.2 XP. You have now acquired the
most advanced stereo Preamplifier / Room Correction System ever developed!
The RCS 2.2 XP has four times the processing power of the famous TacT RCS
2.0 and even better AD and DA conversion. This now combined with new fea-
tures and a more user-friendly interface takes TacT Audio’s room correction to
new heights.
The RCS 2.2 XP hasCnAo UnoTiseIOanNd extremely low distortion, yielding
amazingly transparent accurate sound. Every effort has been made to make this
preamplifier the best that money can buy. Add to this the latest evolution of TacT
Audio’s room correction technology and the result is absolutely staggering.
System
TacT room correction technology has been praised by the press all around the
world. Comments like “Wholesale improvement in sound quality” have become
a standard phrase for reviewers describing the results that can be achieved with
TacT’s room correction. Now we have taken room correction technology even
further, not only in terms of processing power, but also in terms of the measure-
ment and correction systems. The measurement is now done with a triple pulse
for each acquisition. This increases the measurement resolution in both the time
and frequency domains. Correction resolution is now four times higher than found
in the original RCS 2.0.
Separate Subwoofer
One of the most exciting features of the RCS 2.2 XP is its separate subwoofer
output. The RCS 2.2X P can be used with one or (preferably) two subwoofers. An
electronic crossover can be set with a frequency between 60 and 400 Hz and a
slope between 12 dB/octave and 60 dB/octave to split the audio signal between
the main and subwoofer outputs. The correction software aligns the sub-woofer(s)
with the main speakers in the time domain and in the frequency domain, for com-
pletely seamless integration surpassing even the best single-box systems.
With the RCS 2.2 XP, you can add subwoofers to an existing High End speaker
system for substantial sonic improvements. Preferably, the subwoofers should be
placed in the corners behind the main speakers. Corner placement of the sub-
woofers will yield much higher efficiency with significantly reduced low-frequency
distortion. But more importantly, the transfer of energy from the sub to the listening
position will be much more direct, resulting in vastly improved impulse response.
The room correction system will easily compensate for the frequency response
variations of the subs introduced by corner placement. It will delay the main
speakers for perfect time alignment to within 1/8 of an inch.
The RCS 2.2 XP offers you the opportunity to add subwoofers to a system and
improve the transient response tremendously at the same. This contrasts sharply
with the normal result of adding subwoofers to a system: slow – undefined bass
with lots of frequency and time behavior problems. If the separate subwoofer
outputs are not used, then the RCS 2.2X will use all the processing power on the main
speakers.
8
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Introduction
Modular design
The internal layout of the RCS 2.2 XP is completely modular. All of the expensive
components such as DSP’s, D/A and A/D converters are a plug-in type and are
placed on a motherboard. This allows for easy and inexpensive future upgrades.
Even the rear-panel, including the sockets, can be exchanged to accommodate
future interfaces.
The front-panel and DSP’s are 100% software driven, and improvements or new
features can be loaded through the RS232 port with firmware upgrades. It is our
policy to offer software upgrades at no cost, and we therefore encourage you to
fill out and submit the enclosed registration card by fax or email (info@tactaudio.
com).
True Upgradeability
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Dynamic Room Correction (DRC) ® is new technology developed by Tact Audio
Inc. over past two years. This groundbreaking brings the science and art of Room
Correction, and specifically Tact room correction products, to yet another level.
When we introduced our first RCS system (the Tact-2.2 in the late 90’s) we were
fully aware that we were embarking on a long term research process in the new
exciting field of room acoustics cCorArecUtioTnI.OAsNa result of this research effort we
brought to the market products such as Tact-2.0 S two channel RCS preamp, the
Tact-2.2 X two channel preamp with RCS on two main and two subwoofer chan-
nels, and the TCS MKII ten channel theater correction system. All these systems
offer RCS technology not found in any other product on the market. Our contin-
ued research combined with enormously valuable feedback from our customers
has resulted in this new technology that we named Dynamic Room Correction
(DRC)®.
Why do we call it Dynamic Room Correction (DRC)?
The reason we call it DRC is that the target curve used to compute correction fil-
ters dynamically changes with the master level control. In another words, for every
0.1 dB of level change the system uses a new target curve to compute room cor-
rection filters. What makes this dynamic is that all computations and adjustments
are done on the fly without any interruption to the music you listen to.
Why do we need Dynamic Room Correction (DRC)?
It is well known fact that humans do not here all frequencies at the same level.
It is also known that our ears are more sensitive to frequencies between 2000
and 5000 Hz than to frequencies bellow 2000 Hz and above 5000 Hz. In addi-
tion to this our hearing sensitivity changes with sound pressure level (SPL). This
human hearing property was first discovered and experimentally confirmed by
Fletcher and Munson at Bell Laboratories in 1933 and later refined by Robinson
and Dadson in 1956. Their work resulted in a family of equal loudness curves
(contours), widely known as Fletcher-Munson equal loudness curves. A sample of
Fletcher-Munson loudness curves is shown in the figure bellow.
On the graph there are 12 curves numbered from 0 to 110. These numbers repre-
sent the loudness level in phons. A Phon is a unit used to describe the loudness
level of a given sound. The reason for introducing the loudness unit is that two
sounds with the same SPL (dB) do not necessarily have the same perceived loud-
ness. Phon is equal to SPL in decibels at 1000 Hz. For example, 80 phons means
as loud as 80 dB, 1000 Hz tone.
Equal loudness curves represent the SPL that different frequencies need to have
in order to be perceived as two tones of equal loudness. For example, a 200 Hz
tone at SPL of 50 dB will have the same perceived loudness as a 1000 Hz tone at
SPL of 40 dB. In this case both 200 Hz and 1000 Hz tones have a loudness of 40
phons, and they both belong to the 40 phons equal loudness curve.
As it can be seen from the graph, in comparison to frequencies between 2000
and 5000 Hz, it is intrinsically harder for us to hear very low frequencies (below a
few hundred Hz) and to a lesser extent very high frequencies (above 7000 Hz). At
higher listening levels this difference gradually becomes smaller and smaller and
curves become flatter.
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Traditional Tact room correction systems use one target curve that allows for
full range 20-20,000 Hz room corrections. Once selected, the same target curve
(same set of correction filters) was used at all listening levels. This approach did
not take in account the fact that our sound perception, as described by Fletcher-
Munson curves, is frequency and level dependent. Many of our customers have
realized this fact and they have used the nine correction presets (available on all
our RCS products) to program 2.0 S, 2.2 X and TCS MKII with nine different target
curves each corresponding to a different listening level. In this way they were able
to take into account the equal loudness curve effect by switching to new target
curves as the master level changes.
Thus for a number of reasons it is clear that we need a room correction system
that will perform room acoustics correction and at the same time dynamically
change the target curve (correction filters) as the system listening level changes.
How does it work?
Dynamic Room Correction (DRC) offers a very sophisticated way of handling a
multi target curve approach to solving equal loudness curve problem. The system
is based on one reference target curve and eight additional target curves called
dynamic target curves. The reference target curve is used to perform basic refer-
ence room correction. Dynamic target curves are labeled 0, -6, -12, -18, -24, -30,
-36 and –42 dB and are combined with the reference target curve to obtain the
final target curve used to calculate correction filters.
For example, if the master level reads –10.3 dB (89.6 on the relative readout) the
system will use the –6 dB and the –12 dB dynamic target curves and by interpola-
tion will calculate a target curve corresponding to –10.3 dB. After that the system
will combine the 10.3 dB target curve with the reference curve to obtain the final
target curve that is then used to calculate the correction filters. New correction
filters are loaded into the signal path as the music is playing and the new correc-
tion takes effect in a split of a second. The same process repeats again for any
new master level setting.
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Tact-2.2 XP can now perform room correction automatically from the 2.2 XP front
panel user interface, without the need for an PC software.
The automatic room correction feature is designed to perform the entire room cor-
rection process without using a PC interface. The Tact-2.2 XP has sufficient DSP
processing power to perform room measurement, crossover filter design, target
curve generation and correction filter calculation. The entire process is controlled
CAUTION
from the 2.2 XP front panel DRC-RCS menu. Target curve and crossover filter
adjustments can be made on the fly while the music is playing. Users can, for ex-
ample, specify a boost at low frequencies or a roll-off at high frequencies. Values
of the ‘low’ and ‘high’ frequencies can also be adjusted.
PC based room correction requires that the 2.2 XP is connected to the RS232 port
of a PC. PC software is used just as a GUI (graphical user interface) to provide
the user with a graphical presentation of the correction process. After the room
response measurement is completed, the room frequency response for all mea-
sured channels can be displayed on the screen. Crossover filters and actual cor-
rection filters can be viewed. The displayed graphs provide valuable information
that helps users design their own optimum target curve.
The Tact-2.2 XP memorizes two sets of target curves: computer generated and
automatically generated target curves. When the automatic feature is turned OFF,
the 2.2 XP will use a computer generated set of target curves. When the automatic
feature is turned ON, the 2.2 XP uses target curves generated by the 2.2 XP front
panel automatic correction feature.
When the 2.2 XP is connected to a PC and the automatic feature is enabled, au-
tomatically generated target curves will be uploaded into the RCS/DRC screen.
The curves can than be saved or modified. Modified curves can than be loaded
back into the 2.2 XP. However, the uploaded curves will not take effect until the
automatic feature is disabled. Any target curve uploaded to 2.2 XP is saved as
a PC generated target curve and takes effect only when the automatic feature is
disabled. In another words, if a target curve is to be modified by the PC software,
the automatic correction feature has to be disabled.
This following describes the automatic room correction process for all 2.2 XP
operating modes.
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2.2 Mode
This operating mode assumes a stereo system consisting of two main channels
and two subwoofers. To select 2.2 mode from the main screen, click on the MENU
button, and then select the MODE menu. In MODE menu, click on the STEREO
2.2 option. This will select 2.2 mode and will display it on top of the screen (1)
Fig.1.
Fig. 1. Mode menu. 2.2 mode selection is displayed in the upper left corner (1).
To perform 2.2 mode automatic room correction go through the following steps:
1. Correction Bypass. Place 2.2 XP in correction bypass mode. You can place
2.2 XP in bypass mode by pressing on the BP remote control button or by using
the front panel controls.
Fig. 2. Tact-2.2 XP main screen. Note a ‘*’ next to BP. It indicates that BP – bypass
mode is selected.
2. Crossover Filters Off. Make sure that crossover filter option is set to OFF. It
is important that all measurements are performed without any crossover filtering.
If your loudspeakers have built in electronic crossover filters, make sure that they
are disabled. If crossover filters could not be disabled, set the subwoofer crossover
filter to its highest frequency and main channel to its lowest cut off frequency.
To disable crossover filters enter the RCS-DRC menu and select the CRO-
ON(OFF) option in Fig.3 to enter Crossover screen Fig. 4.
Fig. 3. RCS-DRC screen.
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CAUTION
Fig. 4. Crossover menu. CRO: OFF indicates that crossover filters are disabled
Crossover filters can be turned OFF from the front panel crossover menu (Fig. 4).
Place the screen cursor over the CRO: ON menu option and then press the enter
button (click) until it displays CRO: OFF, and then click on SET option.. Please
note that any change made on this screen does not take effect until you click on
the SET option.
Click on the MENU button to go back to the DRC-RCS screen, Fig. 3.
3. Measurements. To perform room response measurements, select the MSR
menu option to display the measurement screen (Fig. 5).
Fig. 5. Measurement screen.
The 2.2 XP is factory configured to measurement parameters as displayed in Fig.
5. The MSR MIC CAL option should be turned ON and the MIC FILE field should
display the microphone serial number as printed on your microphone
MSR MIC CAL. When this option is set to ON, the room correction algorithm will
apply the microphone calibration file to the measurement data. When this option
is set to OFF, the microphone calibration file is ignored.
MIC FILE. This field displays the microphone file name used to perform micro-
phone calibration. The microphone calibration file data is saved in 2.2 XP internal
memory. For more details on how to transfer microphone calibrations file to 2.2 XP
memory, please refer to the Microphone section of the PC software manual.
AVG This is a very important measurement parameter. It equals the number of
measurements that are averaged prior to being saved. The averaging process
reduces the effects of random environmental noise. Typical Average values go
from 10 to 30.
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DELAY. If you do not want to be in the room while measurement is in progress,
set this parameter to a few seconds to allow you to exit the room. For example, if
DELAY = 10 the system will wait for 10 seconds before it starts pulsing.
PULSE. This parameter sets the relative level of the output measurement pulse.
Minimum level is 1% and maximum level is 100%.
FILE. Use this option to assign a File number to the measurement you are just
about to perform. At the end of the measurement process, the measurement data
for all four channels will be saved in the selected File number. Tact-2.2 XP sup-
ports up to seven measurement files. In another words you can save up to seven
different measurements in 2.2 XP internal memory.
Use L, R, SL and SR options to select (enable) a channel for measurement.
Channels are labeled as L for left, R for right, SL for subwoofer left and SR for
subwoofer right channel. Selected (enabled) channels are marked by a rectangle.
To select or deselect a channel place the cursor over desired channel and press
ENTER button.
In most cases, factory presets are optimum and users can proceed directly with
peforming actual measurements. To initiate the room measurement process, click
on the START button. The following screen will be displayed:
Fig. 6. Microphone calibration and measurement screen
After the measurements are completed, click on the EXIT option and then click
on the MENU button to go back to the DRC-RCS screen (Fig. 3). At any time dur-
ing the measurement process you can click on the CANCEL option to cancel the
process. After the measurement is completed or the measurement was canceled,
the CANCEL option changes its name to EXIT.
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4. Enable automatic room correction. In the DRC-RCS screen (Fig. 3), select
correction preset 1. Make sure that crossover filters are enabled and proper
crossover frequency is selected. Crossover filters can be adjusted at any time
even after you enable the automatic feature. Click on the AUTO-OFF menu option
to enter the Auto Correction screen (Fig. 5). Note that in bypass mode the AUTO-
OFF(ON) menu option is not displayed.
CAUTION
Fig. 5 Auto Correction screen.
In the Auto Correction screen click on the AUTO-OFF menu option to display
AUTO-ON and then click on the SET option to activate automatic room correc-
tion. In a split of a second the 2.2 XP will calculate target curves based on LF,
HF, crossover filter selection parameters and measurement data as saved in
measurement file 1.
You are ready to perform your first listening test. Use LF parameters to add gain
or attenuation at frequencies bellow the frequency as displayed in LF parameter
bloc (1). Use HF parameters to add gain or attenuation to frequencies above the
frequency as displayed in HF parameter block (2). In this way you can shape tar-
get curves to match your specific listening needs.
Please note that changes you make on this screen do not take effect until you
click on the SET option.
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This operating mode assumes a stereo system consisting of two main channels
and one subwoofer. To select 2.1 mod from the main screen, click on the MENU
button to enter the main menu screen and then select the MODE menu. In the
MODE menu click on the STEREO 2.1 option. This will select 2.1 mode and dis-
play it on top of the screen (1).
Fig. 6. Mode menu. 2.1 mode selection is displayed in the upper left corner (1).
The rest of the procedure is the same as in 2.2 mode. Note the change in the
measurement screen in Fig. 7. The Tact-2.2 XP will automatically select channels
for measurements based on the mode selection.
Fig. 6. Mode menu. 2.1 mode selection is displayed in the upper left corner (1).
The rest of the procedure is the same as in 2.2 mode. Note the change in the
measurement screen in Fig. 7. The Tact-2.2 XP will automatically select channels
for measurements based on the mode selection.
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2.0 Mode
This operating mode assumes a stereo system consisting of two main channels
only. To select 2.0 mode from the main screen, click on the MENU button to enter
main menu screen and then select the MODE menu. In the MODE menu click on
STEREO 2.0 option. This will select 2.0 mode and display it on top of the screen
(1).
Fig. 8. Mode menu. 2.0 mode selection is displayed in the upper left corner (1).
The rest of the procedure is the same as in 2.2 mode. Note the change in the
measurement screen in Fig. 9. The Tact-2.2 XP will automatically select channels
for measurements based on the mode selection.
Fig. 9. Measurement screen for 2.0 mode. Note that SR does not have a rectangle
around indicating that this channel is not set for measurement.
In 2.0 mode only the Left and Right channels will be measured. At the end of the
measurement process the Subwoofer Left and Subwoofer Right measurement
data will be set to 0 dB flat response.
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Digital input
The RCS 2.2 XP has 5 digital inputs:
3 S/PDIF (RCA)
1 AES/EBU (XLR)
1 Optical (TosLink)
All of the digital inputs support PCMaudiodata with sampling rates from 32 kHz
to 96 kHz /16-24 bits. However, the AES/EBU and RCA/coaxial input also sup-
port 192kHz.
Digital output 1
The RCS 2.2 XP has 3 digital outputs for the main channels:
1 S/PDIF (RCA)
1 AES/EBU (XLR)
1 Optical (TosLink)
All outputs are 24-bits at 44.1, 48, 88, 96 or 192 kHz sampling rates (TosLink does
not support 192kHz).
The main channel output is used for your main speakers or for Mid/High-frequen-
cies when used with subwoofers. Connect one of these outputs to a TacT digital
amplifier or external DA converter.
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RCS 2.2 XP Connections
Digital output 2
The RCS 2.2XP has three digital outputs for subwoofer(s) :
1 S/PDIF (RCA)
1 AES/EBU (XLR)
1 Optical (TosLink)
All outputs are 24-bits at 44.1, 48, 88, 96 or 192 kHz sampling rates. The output
sampling rate is set in the “DOUT” menu. (TosLink does not support 192kHz)
The sub output is for your subwoofer(s) and can be configured for either mono or
stereo. Use the “MODE” menu to set the appropriate output mode 2.0, 2.1, or 2.2.
Connect one of these outputs to a TacT digital amplifier or external DA converter.
Optional modules
The RCS 2.2 XP is designed to accommodate virtually any input and output needed
without adding extra cost for features certain users might not use. There are there-
fore 3 optional modules that can be installed:
ADC-converter module for analog inputs such as Tuners,
Cassette decks, VCRs etc.
DAC-converter module for main channels, needed when the
RCS 2.2 XP is used with traditional analog amplifiers
DAC-converter module for subwoofer(s), needed when the
RCS 2.2 XP is used with analog self-powered subwoofer(s)
These modules are based on the latest 24-bits/192 kHz state-of-the-art technology
and offer performance far beyond that of most stand-alone converters. Due to the
modular design of the RCS 2.2 XP, these modules can be added at any time or
exchanged if upgrades should become available.
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RCS 2.2 XP Connections
Analog input
(optional ADC module)
The RCS 2.2 XP has 4 stereo analog inputs when the optional ADC module is
3 analog stereo single ended (RCA)
1 analog stereo balanced (XLR)
CAUTION
NOTE: The optional ADC module is required for analog inputs.
NOTE: A/D conversion is always performed at 24-bits/192 kHz.
Analog output
main channels
(optional DAC module)
The RCS 2.2 XP has 2 stereo analog outputs for the main channels when the op-
tional DAC-MAIN module is installed:
1 analog stereo single ended (RCA)
1 analog stereo balanced (XLR)
NOTE: The optional DAC module is required for analog outputs.
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RCS 2.2X Connections
Analog output
subwoofer(s)
The RCS 2.2 XP has 2 analog outputs for subwoofer(s) when the optional DAC-
(optional DAC module)
1 analog stereo single ended (RCA)
1 analog stereo balanced (XLR)
NOTE: The optional DAC module is required for analog outputs.
Microphone input
Connect the supplied measurement microphone to the “Mic Input” connector when
taking a room measurement for dynamic room correction.
CAUTION: To avoid damage through static discharge, we strongly recom-
mend that you turn off the RCS 2.2 XP via the rear panel mains switch before
connecting the microphone.
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RCS 2.2 XP Connections
The RCS 2.2 XP has two RS232 interface ports:
ports
INPUT
AUX
Use the “INPUT” port for communication with your personal computer.
Use the “AUX” port to connect to TacT digital amplifiers or to daisy chain with
multiple RS232 components.
AC mains input
& mains switch
Connect the RCS 2.2 XP to the AC mains wall socket.
Use the mains switch to turn power ON or OFF.
CAUTION: Use the supplied IEC mains cable, or a 3-prong grounded cable
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The front panel controls on the RCS 2.2 XP will allow you to access and control all
menu settings.
Master Volume
Menu
Input Display
Digital Input Selector
Standby
Mute
Analog Input Selector
Volume Level
Navigation/
Standby
Use the “STANDBY” button to toggle between Standby mode and ON.
The display will indicate Standby mode by displaying a small green light in the left
side of the display. When the unit is placed in Standby mode all user settings are
saved.
Master volume
Mute
The master volume is controlled by turning the “TacT wheel”. The green digits
on the left side will change as you turn the wheel - this is your master volume level
Use the “MUTE” button to mute or un-mute during playback. The volume level
indicator will switch to “--” in Mute mode. You can still adjust the master volume
while the unit is in Mute mode - the volume level indicator will briefly indicate the
level, then switch back to the “--”mute indicator
Press the “DIGITA” button to select the digital input. This is a toggle switch, and
by pressing it multiple times it will toggle through all of the five digital inputs. The
selected input will be displayed in the input display portion of the display.
Digital
input selector
Analog
input selector
Press the “ANALOG” button to select the analog input. This is a toggle switch, and
by pressing it multiple times it will toggle through all of the four analog inputs. The
selected input will be displayed in the input display portion of the display.
NOTE: Please note that the optional ADC module is required for analog in-
puts
”button to access the front panel menu system.
Navigation/Enter
Use the navigational buttons to navigate the options and select with the middle
“Enter” button .
NOTE: The remote and front panel controls are disabled whenever a Personal
Computer is connected and the Room Correction or ParEQ software is run-
ning. To enable the remote and front panel controls press and hold down the
“DIGITAL”and “ANALOG”input selector simultaneously.
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The remote control is used to access the front panel display controls and menus.
1
4
2
3
5
6
7
9
10
8
11
12
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Remote Control
The STANDBY button will either turn the RCS 2.2 XP on or will place it int
standby mode. When in standby mode, the unit is placed into a low power “idling”
The standby button is also used to save changes that were made in the menu
parameters. By placing the unit into standby mode the current menu settings are
2 - DIGITAL
The DIGITAL button will scroll sequentially, allowing for selection of one of the 5
digital inputs.
3 - ANALOG
The ANALOG button will scroll sequentially, allowing for selection of one of the 4
analog inputs.
1 to 9 and one BYPASS. Pressing the BYPASS button will place room correction
into bypass mode – no correction. Pressing any of the remaining nine buttons will
engage the corresponding room correction preset.
5 - MENU
The MENU button will switch the front panel display from the status screen to the
MAIN menu screen.
6. VIDEO
The VIDEO button is inactive with this unit.
7. UP
The UP navigation button is used to select menu options and/or change their
values.
8. DOWN
The DOWN navigation button is used to select menu options and/or change their
values.
The LEFT navigation button is used to select menu options and/or change their
10. RIGHT
The RIGHT navigation button is used to select menu options and/or change their
values.
The ENTER button will select the menu option currently marked by the blinking
cursor or will enter an edited parameter.
”button will mute/un-mute all enabled channels.
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The main screen is displayed when the RCS 2.2 XP is powered on.
To move the cursor indicator use the front panel or remote control navigation but-
tons. To select an option press the “ENTER” button.
Correction preset selection
EQ preset selection
3
Master level in dB
Correction menu option
Parametric EQ menu option
Output sampling frequency indicator
Input sampling frequency indicator
RCS 2.2 XP operating mode
Master level in dB
5
6
8
9
Mono mode indicator.
Correction preset selection
To select one of the nine correction presets or to bypass them use the “LEFT” or
“RIGHT” navigation buttons to position the cursor over CR (1). Once the cursor
is positioned over CR (1) press the “ENTER” button. The system will then display
a pull down list containing all presets. Use the “UP” and “DOWN” navigation but-
tons to point to the desired correction preset and then press the “ENTER” button.
This action will engage the selected preset and will display the new selection in
the CR box (1). Once the cursor is positioned over CR (1) you can also select a
correction preset by pressing one of the ten buttons located in the block labeled
“CORRECTION” on the remote control. The 2.2 XP will display a < > next to the
*
selected presed indicating that the preset was loaded.
EQ preset selection
To select one of sixteen parametric EQ presets or to bypass them use the
“LEFT” or “RIGHT” navigation buttons to position the cursor over EQ (2). Once
the cursor is positioned over EQ (2) press the “ENTER” button. The system will
then display a pull down list containing all presets. Use the “UP” and “DOWN”
navigation buttons to point to the desired EQ preset and then press the “EN-
TER” button. This action will engage the selected preset and will display the new
selection in the EQ box (2). Once the cursor is positioned over EQ (2) you can
also select a correction preset by pressing one of the ten buttons located in the
block labeled “CORRECTION” on the remote control. The 2.2 XP will display a
Note: with the remote control you can only select the first nine presets. To
select the rest you must use front panel controls.
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Front Panel Display
Master Level Indicator
This field displays the system master level in dB. It is calculated as relative gain
(displayed from 0 to 99.9) minus 99.9 plus GAIN (as set in the OPTIONS menu).
Correction menu option
enter the main dynamic room correction menu.
Parametric EQ menu option
the main parametric EQ menu.
Note: An EQ preset must be enabled from the main screen for the PAR EQ
menu to be active. If the EQ preset is set to “BP”, the PAR EQ controls are
disabled.
Output sampling frequency indicator
This displays the currently selected output sampling frequency. The output sam-
pling frequency is can be modified in the “OUT-FS” general menu option.
Input sampling frequency indicator
This displays the sampling frequency of the currently selected digital input. The
RCS 2.2 XP will automatically detect input signal presence and display its sam-
pling frequency.
RCS 2.2 XP operating mode
This displays the systems operating mode. The operating mode can be modified
from the “MODE” main menu option.
MONO mode indicator
If the MONO option is set to OFF, t
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Front Panel > Main Menu
MAIN menu
To highlight a menu option use the navigational buttons. To enter a highlighted
option press the “ENTER” button.
MODE menu
sets operation mode for the 2.2XP - use to specify 2.2,
2.1, 2.0 modes or the MONO option.
ADC menu
use to set the analog input sensitivity.
DOUT-FS menu
use to set the Left/Right and Sub Left/Right digital output
sampling frequency.
use to set the channel polarity as well as the absolute
polarity.
TEST menu
allows for the pink noise output test.
DISPLAY menu
COMM menu
use to set various display options.
use to set the 2.2 XP device address.
use to enables/disables Tact digital amplifier control.
use to set various 2.2 XP options.
OPTIONS menu
LOCK menu
allows for locking certain parts of the user interface
INFO screen
displays microphone calibration information.
displays firmware version.
Note: The MSR screen is now accessed through the First Screen DRC-RCS cor-
recion screen option.
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Front Panel > Main Menu
MODE menu
Use this menu to set the RCS 2.2 XP to one of four operating modes.
To highlight an option use the navigational buttons. To enter a highlighted option
press the “ENTER” button.
STEREO 2.2
STEREO 2.1
This mode produces 4 output signals. Left, Right, Left
SUB, and Right SUB
This mode produces 3 output signals. Left, Right and one
SUB signal. In this mode the SUB signal is mono and is
output to both the Left SUB and Right SUB outputs.
STEREO 2.0
MONO
This mode produces 2 output signals. This is standard
two channel stereo mode. In this mode there is no signal
at the subwoofer outputs.
This option can be set to ON or OFF. When set to ON
the system will output the same signal for both the Left
and Right channels.
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Front Panel > Main Menu
ADC menu
(optional ADC module)
The RCS 2.2 XP can be equipped with a state of the art Analog to Digital Con-
verter (ADC module optional) . To further enhance the converter’s performance,
the system offers two selectable gain values for the ADC input stage, 0dB or -6dB.
These values can be assigned to each input independently.
To select an option use the “UP” and “DOWN” navigation buttons and to change
its value press the “ENTER” button to toggle between the -6dB and 0 dB selec-
tions.
Analog input sensitivity can be set seperately for each input. If 0 dB is selected,
the maximum input voltage for that particular input will be 4.4 Vrms.
If -6 dB is selected, the maximum input voltage for that particular input is 2.2
Vrms.
This menu option has no effect on the digital inputs.
NOTE: The optional ADC module is required for analog inputs.
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Front Panel > Main Menu
DOUT-FS menu
The RCS 2.2 XP is equipped with a sample rate converter on each digital out-
put. Each output can independently be set to 44.1, 48, 88, 96 and 192 KHz sam-
pling frequencies.
To set the sampling frequency for digital outputs 1 or 2, use the “LEFT” or
“RIGHT” navigational buttons to highlight the desired option (44.1, 48, 88, 96,
192 kHz) and then press the “ENTER” button to make the selection.
Output 1 refers to the Left/Right channel output.
Output 2 refers to the Sub Left/Right channel output.
The RCS 2.2 XP is equipped with separate sample rate converters at each Left/
Right and Sub Left/Right output. The Left/Right and Sub Left/Right outputs can
be programmed to have different sampling frequencies.
NOTE: This menu does not affect the analog output sampling frequency
and has no effect on the analog outputs.
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Front Panel > Main Menu
Use this screen to set individual channel polarity and absolute channel polarity
Each channel can be set to “+” (0) or “-” (inverted).
To select an option use the “UP” and “DOW ” navigational buttons and to
Tttt
change its value press the “ENTER” button to toggle between a “+” or “-” setting.
If all channel options are set to ‘+’ or all channel options are set to ‘-’, all output
signals will come out in phase. If one channel is set to ‘+’ and another channel is
set to ‘-’ their respective output signals will be out of phase.
ABS POL option (absolute polarity) will flip the phase on all channels.
TEST menu
The test menu is designed to allow for a quick system check. When engaged it
will produce pink noise on all selected channels. When a channel is set to “Y”
pink noise will be heard from that channel when “Run Test” is selected.
To highlight an option use the the “UP” and “DOWN” navigational buttons and
then press the “ENTER” button to make your selection. After all selections are
made, highlight the “Run Test” option and hold down the “ENTER” button to
produce the test signal. The test tone will stop when the “ENTER” button is re-
leased. Press the “MENU” button to exit this menu.
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Front Panel > Main Menu
The display menu allows for control over the front panel display appearance.
To select an option use the “UP” or “DOWN” navigational buttons and then use
the “LEFT” and “RIGHT” buttons to change the value.
1. Timeout
This option is used to turn the front panel timer “ON” or
“OFF”. When this option is “ON” the front panel timer will
sec option, and then turn the display OFF or dim it to a
level specified by the OFF Brightness option.
2. Timeout in sec
This option is used to set the number of seconds that the
display will remain on before turning off or dimming after
accessing an option on the front panel display. This pa-
rameter can be set to a value from 3 to 30 seconds. For
example, if it is set to 15 seconds the front panel timer
will count to 15 seconds and will then turn the display
OFF or dim it to a level specified by the OFF Brightness
option.
3. ON Brightness
OFF Brightness
This option determines the front panel brightness after
the unit is powered on or an option on the front panel dis-
play is accessed. This parameter can be set to any value
between 1 and MAX(16).
This option determines the front panel brightness after
timeout has expired. This parameter can be set to any
value between OFF (0) and MAX(16).
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Front Panel > Main Menu
This menu has only one option, Address Address can be set to any number
between 1 and 255. This parameter is used by PC programs to identify the
2.2 XP. This feature allows for multiple Tact units to be controlled by the same
RS232 link. The RS232 speed is set to 57.6 Kb.
To change the system device address highlight the “Address” option and then
using the “LEFT” and “RIGHT” navigational buttons select the desired system
address. The RCS 2.2X is shipped with the default address set at 1.
NOTE: If you change the device address make sure that you select the ap-
propriate device address in the RCS 2.2X Room Correction software.
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Front Panel > Main Menu
AMP menu
The AMP menu is designed to allow the RCS 2.2 XP to interface with the TacT
line of digital amplifiers. The RCS 2.2 XP can control multiple digital amplifiers.
This setting should be ENABLED only if you have a Tact digital amplifier
attached to the RCS 2.2 XP.
To change the settings use the “UP” and “DOWN” navigational buttons to high-
light the option and then press the “ENTER” button to change the setting.
If the L & R option is set to DISABLE, the Left/Right channel will operate in
normal mode. The mater level control will affect both the digital and the analog
output signal.
If the L & R option is set to ENABLE, the master level control has no effect on
the Left/Right analot or digital output signal. The Left and Right channel signal
will output the maximum signal level, which is equivalent to the 99.9 setting on
the volume display. The front panel master level information (relative read out,
0-99.9) will be broadcast to all digital amplifiers connected to the RS232 AUX
connector. In this case, volume control is implemented in Tact digital amplifiers.
The same applys to the SUB L & R option.
For example, one amplifier can be used for main left and right channels and the
second one can be used for the left and right subwoofer channels. If two TacT
digital amplifiers are connected, both options should be set to ENABLED. If one
Tact digital amplifier is connected only one option should be set to ENABLED
and the other one should be set to DISABLED. Enable should only be set for
the output that uses Tact digital amplifiers.
NOTE: When a TacT digital amplifier is controlled by the RCS 2.2 XP, all of
the amplifier’s front panel and IR controls are disabled. Use the RS232 port
and/or daisy chain to link the components.
CAUTION: The AMP setting should only be set to ENABLED if you have
Tact amplifiers connected to the RCS 2.2 XP. When the AMP option set to
ENABLED both the analog and the digital output will output a full level sig-
nal regardless of the RCS 2.2 XP master volume setting. If you do not have
Tact amplifiers connected to your system you will not be able to control
the output level from the RCS 2.2 XP volume control. The output is sent at
its maximum level and can result in damage to your speakers.
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Front Panel > Main Menu
OPTIONS menu
The options menu allows for control of the systems maximum signal level, signal
detection threshold (SDTH), wheel speed, and remote control.
To select an option highlight it using the “UP” and “DOWN” navigational buttons.
To modify a selected option use the “LEFT” and “RIGHT” buttons.
Max Level
This option controls the system’s maximum signal level.
For example, if this option is set to -3.0 dB, the volume
control can not go above -3.0 dB. The minimum value is
-99.9 and the maximum value is equal to the value of the
GAIN parameter.
Detection
This option sets the signal detection threshold. If the
absolute value of the Left or the Right channel signal
goes above this threshold the red signaling dot will be
displayed on the front panel bellow the master volume
display. This feature can be used to indicate signal pres-
ence on either channel or to indicate near clip condition.
to a value close to -90.0 dB. To use it as near clip indica-
tor set the Detection to a value close to 0.0 dB. This pa-
ramete can be set anywhere from -99.9 dB to 0 dB. One
step above 0 dB will turn this feature OFF.
NOTE: This light does not indicate clip condition.
frontpanelturnson,itisonlyanindicationthattheinputaudiosignal
hasreachedthethresholdlevel.Itdoesnotindicatedinputoroutput
signal clipping.
Wheel
This option sets the wheel sensitivity. The wheel sensitiv-
ity can be set to between 1 and 10 or to “OFF” to disable
the Wheel for volume control. The lower the setting the
slower the volume increases and the higher the setting
the faster the volume increases with each turn of the
Wheel.
Remote
GAIN
This option enables and disables the remote control.
Once the remote control is disabled the unit can only be
controlled from the front pane
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Front Panel > Main Menu
LOCK menu
Use this screen lock certain areas of the front panel user interface.
To select an option highlight it using the “UP” and “DOWN” navigational buttons.
1. LOCK MENU
2. LOCK DRC-RCS
3. LOCK PAR EQ
When this option is set to YES all Main Menu options ex-
cept LOCK and INFO are disabled
When this option is set to YES the user can not change
current correction presets and can not enter the DRC-
When this option is set to YES the user can not change
current ParEq presets and can not enter the PAR EQ
screen.
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Front Panel > Main Menu
INFO menu
Use this screen to verify the versin of firmware that is installed on your RCS 2.2
XP. This screen also provides Tact Audio’s web address and phone number.
Pleae feel free to contact us should you require any furthe information from us
- we would love to hear from you!
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Front Panel > Correction Menu
CORRECTION menu
first screen.
To highlight a menu option use the navigational buttons. To enter a highlighted
option press the “ENTER” button.
LEVELS menu
DELAYS menu
NAMES menu
Use to set individual channel level.
Use to set individual channel delay time and the AUTO/
MANUAL delay option.
Displays the correction preset symbolic names and al-
lows for name based correction preset selection.
PRESET option
This option allows for correction preset selection. Place
the screen cursor over this option and use the UP DOWN
buttons to display the desired preset. Press the ENTER
button to make a selection. The active preset has a <
displayed next to it.
>
DRC option
Use this option to turn dynamic room correctin ON and
OFF. When this option is changed the 2.2 XP will recal-
culate and engage new correction based on the selection
of this parameter.
CRO option
This indicates the status of the corssover package. The menu
it leads to is used to set 2.2 XP crossover parameters.
MSR menu
This menu is used to perform room response measure-
ments for Automatic Room Correction. See p.12 for an
explanation of Automatic Room correction.
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Front Panel > Correction Menu
LEVELS menu
Use this menu to set individual channel level settings.
Use the UP and DOWN buttons to place screen cursor on desired option and
then use the LEFT and RIGHT buttons to adjust individual channel level set-
tings.
Each output signal level is determined by the channel level, as set in this menu,
the master level control, and system GAIN as set in OPTIONS menu.
DELAYS menu
Use this menu to set individual channel delay settings.
Use the UP and DOWN buttons to place screen cursor on desired option and
then use the LEFT and RIGHT buttons to adjust individual channel level set-
tings.
Place screen cursor over field (1) and press ENTER to switch between AUTO
and MANUAL delay time setup. When AUTO is selected the delay time is deter-
mined by the measurement algorithm during the measurement process. Mea-
sured delay time is saved with each measurement in the selected measurement
file. These values can be manually changed but once the correction preset is
re-selected, changes made to the delay time will be lost.
To use manually set delay times set the field (1). Tact-2.2 XP keeps track of de-
lay times set for both AUTO and MANUAL delay option.
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Front Panel > Correction Menu
NAMES menu
Use this screen to view the symbolic names assigned to each preset number.
Use the UP and DOWN buttons to place the screen cursor on desired option.
Press the enter button to engage the selected correction preset.
CRO menu
Use this screen to set RCS 2.2 XP crossover parameters.
To highlight a menu option use the navigational buttons. To select a highlighted
option press the “ENTER” button.
Use this option to set low-pass filter order. This option can be set from 1
to 24.
2.
Use this option to set the low-pass filter cutoff frequency. Minimum fre-
quency is 40 Hz and maximum frequency is 500 Hz.
3.
Use this option to set the high-pass filter order. This option can be set
from 1 to 12
4.
Use this option to set the high-pass filter cutoff frequency. Minimum fre-
quency is 40 Hz and maximum frequency is 500 Hz.
7.
Click on this option to engage selected crossover filters.
Displays the currect correction preset.
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Front Panel > Correction Menu
MSR menu
Use this menu to perform room response measurments directly from the front panel,
without an external computer interface.
Your 2.2 XP is factory configured to measurement parameters as displayed above. The
MSR MIC CAL option should be turned ON and tjhe MIC FILE field should display the
microphone serial number as printed on your microphone.
MSR MIC CAL. When this option is set to ON, the room correction algorithm will
apply the microphone calibration file to the measurement data. When this option
is set to OFF, the microphone calibration file is ignored.
MIC FILE. This field displays the microphone file name used to perform micro-
phone calibration. The microphone calibration file data is saved in 2.2 XP internal
memory. For more details on how to transfer microphone calibrations file to 2.2 XP
memory, please refer to the Microphone section of the PC software manual.
AVG This is a very important measurement parameter. It equals the number of
measurements that are averaged prior to being saved. The averaging process
reduces the effects of random environmental noise. Typical Average values go
from 10 to 30.
DELAY. If you do not want to be in the room while measurement is in progress,
set this parameter to a few seconds to allow you to exit the room. For example, if
DELAY = 10 the system will wait for 10 seconds before it starts pulsing.
PULSE. This parameter sets the relative level of the output measurement pulse.
Minimum level is 1% and maximum level is 100%.
FILE. Use this option to assign a File number to the measurement you are just
about to perform. At the end of the measurement process, the measurement data
for all four channels will be saved in the selected File number. Tact-2.2 XP sup-
ports up to seven measurement files. In another words you can save up to seven
different measurements in 2.2 XP internal memory.
Use L, R, SL and SR options to select (enable) a channel for measurement.
Channels are labeled as L for left, R for right, SL for subwoofer left and SR for
subwoofer right channel. Selected (enabled) channels are marked by a rectangle.
To select or deselect a channel place the cursor over desired channel and press
ENTER button.
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Front Panel > Correction Menu
In most cases, factory presets are optimum and users can proceed directly with
peforming actual measurements. To initiate the room measurement process, click
on the START button. The microhpone calibration and measurement screen will
be displayed:
After the measurements are completed, click on the EXIT option and then click
on the MENU button to go back to the DRC-RCS screen (Fig. 3). At any time dur-
ing the measurement process you can click on the CANCEL option to cancel the
process. After the measurement is completed or the measurement was canceled,
the CANCEL option changes its name to EXIT.
NOTE: For instructions on how to initiate Automatic Room Correction, please go
to p.12.
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Front Panel > Parametric EQ Menu
PARAMETRIC EQ
menu
This menu is used to control the 12 band parametric equalized. This menu is ac-
cessed through the PAR EQ option on the RCS 2.2X first screen.
If Par Eq preset is set to BP - bypass the following screen will be displayed:
In this screen only two options are enabled: PRESET and LOCK.
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Front Panel > Parametric EQ Menu
PARAMETRIC EQ
menu
When a Par Eq preset other that BP is selected this screen can have two forms:
one with the LINK option set to YES and the other with the LINK option set to
When the LINK option is set to NO the
following screen is displayed.
When the LINK option is set to YES the fol-
lowing screen is displayed.
To highlight a menu option use the navigational buttons. To select a highlighted
1.
TABLE menu option. To enter the TABLE menu screen highlight and se-
lect either the LEFT & RIGHT or the LEFT or RIGHT selections and press
ENTER button. The available selection is determined by the setting of the
LINK option as axplained bellow.
2.
LINK menu option. This option determines if the left and right channels
are linked to the same EQ filters. If NO is selected the channels are not
linked and each channel has a separate set of EQ filters. If YES is select-
ed the channels are linked and there will be only one set of filters used
for both the left and right channels. To change the LINK setting highlight
the current LINK selection and press ENTER button to toggle between
3.
PRESET menu option. This option allows for EQ preset selection. The
<
> character indicates the current preset. To select a new preset high-
light the PRESET option and use the UP and DOWN buttons to scroll
through the available presets. When the desired preset is displayed press
the ENTER button to select it.
4.
LOCK menu option. This option is used to lock the current parametric EQ
preset. When set to YES the parametric EQ preset cannot be changed.
To change the LOCK setting highlight the current LOCK selection and
press the ENTER button to toggle between the YES and NO selections.
Active Preset display. This displays the preset that is currently loaded
into the system. This is not a selectable menu option.
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Front Panel > Parametric EQ Menu
PARAMETRIC EQ
menu
This is an example of the linked parametric EQ filter table. Its display allows for
adjustment of all filter parameters: Level, center frequency and filterwidth given
in octaves. The filter parameters will be applied globally to both the left and right
channels. This scren is accessed through the LINK menu option on the PAR EQ
To change a parameter first highlight it and press ENTER button. Then use the
LEFT and RIGHT navigational buttons change the parameter value.
1.
2.
3.
Indicates that this table is for linked filters
Current parametric EQ preset.
Filter order. For more filters scroll down the list.
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Front Panel > Parametric EQ Menu
PARAMETRIC EQ
menu
The following is an example of an un-linked ParEQ table featuring the left chan-
nel parametric EQ filter table. Its display allows for the adjustment of all filter
parameters: Level, center frequency and bandwidth and they will be applied
independently to the left channel. There is an analogous table for the right chan-
nel. You can enter the right channel table from the previous menu, the PAR EQ
To change a parameter first highlight it and press ENTER button. Then use the
LEFT and RIGHT navigational buttons change the parameter value.
1.
2.
3.
Indicates the left or right channel filter table.
Current parametric EQ preset.
Filter order. For more filters scroll down the list.
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TacT Audio, Inc.
201 Gates Road Unit G, Little Ferry – New Jersey 07643, USA
Phone: +1 201 440 9300 – Fax: +1 201 440 5580 – Email: [email protected]
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