D.A.S. DSP-2040 User manual

DSP-2040
User's Manual
Antes de utilizar el equipo, lea la sección
“Precauciones de seguridad” de este manual.
Conserve este manual para futuras consultas.
Before operating the device, please read the
“Safety precautions” section of this manual.
Retain this manual for future reference.
Digital Signal Processors

La posición de encendido está indicada en el interruptor
mediante los correspondientes símbolos normalizados (IEC
60417-1 y IEC 60417-2).
No existen partes ajustables por el usuario en el interior de este
equipo. Cualquier operación de mantenimiento o reparación
debe ser realizada por personal cualificado. Es necesario el
servicio técnico cuando el aparato se haya dañado de alguna
forma, tal como que haya caído líquido o algún objeto en el
interior del aparato, haya sido expuesto a lluvia o humedad, no
funcione correctamente o haya recibido un golpe.
Si el cable o enchufe de alimentación está dañado, debe ser
sustituido por un cable o conjunto especial a suministrar por el
fabricante o por su servicio postventa.
Tenga en cuenta que la tensión nominal de alimentación es el
valor indicado en la etiqueta, con un rango ±10% de ese valor
(según IEC 60065:2001). Si debe sustituir el fusible preste
atención al tipo y rango.
Desconecte este aparato durante tormentas eléctricas,
terremotos o cuando no se vaya a emplear durante largos
periodos.
No instale el aparato cerca de ninguna fuente de calor como
radiadores, estufas u otros aparatos que produzcan calor. Debe
instalarse siempre sin bloquear la libre circulación de aire.
Limpie con un paño seco. No use limpiadores con disolventes.
No exponga este equipo a la lluvia o humedad. No use este
aparato cerca del agua (piscinas y fuentes, por ejemplo). No
exponga el equipo a salpicaduras ni coloque sobre él objetos
que contengan líquidos, tales como vasos y botellas. Equipo IP-
20.
Si el aparato es conectado permanentemente, la instalación
eléctrica del edificio debe incorporar un interruptor multipolar con
separación de contacto de al menos 3mm en cada polo.
Este símbolo indica que el presente producto no puede ser
tratado como residuo doméstico normal, sino que debe
entregarse en el correspondiente punto de recogida de equipos
eléctricos y electrónicos.
El cableado exterior conectado a estos terminales requiere de su
instalación por una persona instruida o el uso de cables flexibles
ya preparados.
El equipo dispone de un conector estándar IEC60320-14, con
portafusible, como conector de alimentación.
Utilice este equipo, sólo, con su apropiado cable de
alimentación.
Safety PrecautionsPrecauciones de Seguridad
The ON position is indicated in the switch by means of the
corresponding standardized symbols (IEC 60417-1 and IEC
60417-2).
No user serviceable parts inside. Refer all servicing to qualified
service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to rain or moisture,
does not operate normally or has been dropped.
If the cable or the mains plug are damaged they must be
replaced. Contact the manufacturer to provide you with the
necessary spare parts.
Take into account that the nominal AC voltage is the value
shown in the equipment ±10% (according to IEC 60065:2001). If
the fuse needs to be replaced, please pay attention to correct
type and ratings.
Unplug this apparatus during lightning storms, earthquakes or
when unused for long periods of time.
Do not install near any heat sources such as radiators, heat
registers, stoves or other apparatus that produce heat.
The circulation of air must not be blocked.
Clean only with a dry cloth. Do not use any solvent based
cleaners.
Do not expose this device to rain or moisture. Do not use this
apparatus near water (for example, swimming pools and
fountains). Do not place any objects containing liquids, such as
bottles or glasses, on top of the unit. Do not splash liquids on
the unit. IP-20 equipment.
If the apparatus is connected permanently, the electrical system
of the building must incorporate a multipolar switch with a
separation of contact of at least 3mm in each pole.
This symbol on the product indicates that this product should
not be treated as household waste. Instead it shall be handed
over to the appicable collection point for the recycling of
electrical and electronic equipment.
The connected outer wiring to these terminals requires of its
installation by an instructed person and the use of a flexible cable
already prepared.
The device have a standard connector IEC60320-14, with
fuseholder, for mains.
Only use this equipment with an appropriate mains cord.
The exclamation point inside an equilateral triangle is intended to
alert the users to the presence of important operating and
maintenance (servicing) instructions in the literature
accompanying the product. Heed all warnings. Follow all
instructions. Keep these instructions.
WARNING: This is a class A product. In a domestic environment
this product may cause radio interferences in which case the
user may be required to take adequate measures.
Use this product only in E1, E2, E3 or E4 environments
according to EN55103-2.
No desconecte la tierra en el conector de alimentación pues es
peligroso e ilegal. Equipo de Clase I. El producto debe ser
conectado a un enchufe con toma de tierra. Sólo use este
equipo con el cable de red de alimentación adecuado para su
país.
El signo del rayo con la punta de flecha, alerta contra la
presencia de voltajes peligrosos no aislados. Para reducir el
riesgo de choque eléctrico, no retire la cubierta.
Do not remove mains connector ground, it is dangerous and
illegal. Class I device. The product must be connected to a
mains socket outlet with protective earth connection. Only use
this equipment with an appropriate mains cord for your country.
The lightning and arrowhead symbol warns about the presence
of uninsulated dangerous voltage. To reduce the risk of electric
shock, do not remove the cover.
El signo de exclamación dentro de un triángulo indica la
existencia de importantes instrucciones de operación y
mantenimiento en la documentación que acompaña al producto.
Conserve y lea todas estas instrucciones. Siga las advertencias.
ATENCIÓN: Es un producto clase A, por lo que en entornos
domésticos puede causar radio-interferencias, en cuyo caso el
usuario tendrá que tomar las medidas oportunas.
De acuerdo con EN55103-2, usar el equipo sólo en entornos E1,
E2, E3 ó E4.
DSP-2040
Manual de Usuario

GARANTÍA
WARRANTY
Todos nuestros productos están garantizados por un periodo de 24
meses desde la fecha de compra.
Las garantías sólo serán válidas si son por un defecto de
fabricación y en ningún caso por un uso incorrecto del producto.
Las reparaciones en garantía pueden ser realizadas,
exclusivamente, por el fabricante o el servicio de asistencia técnica
autorizado.
Otros cargos como portes y seguros, son a cargo del comprador
en todos los casos.
Para solicitar reparación en garantía es imprescindible que el
producto no haya sido previamente manipulado e incluir una
fotocopia de la factura de compra.
All our products are warrantied against any manufacturing defect
for a period of 2 years from date of purchase.
The warranty excludes damage from incorrect use of the product.
All warranty repairs must be exclusively undertaken by the factory
or any of its authorised service centers.
To claim a warranty repair, do not open or intend to repair the
product.
Return the damaged unit, at shippers risk and freight prepaid, to
the nearest service center with a copy of the purchase invoice.
DSP-2040
Manual de Usuario

Y es conforme a las siguientes Normas Armonizadas Europeas:
In accordance with Harmonized European Norms:
l EN 60065:2014.- Audio, video and similar electronic apparatus. Safety
requirements.
l EN 55032:2012.- Electromagnetic compatibility of multimedia equipment.
Emission requirements.
l EN 55103-2:2009.- Electromagnetic compatibility. Product family
standard for audio, video, audio-visual and entertainment lighting control
apparatus for professional use. Part 2:Immunity.
l EN 50581:2012.- Technical documentation for the assessment of
electrical and electronic products with respect to the restriction of
hazardous substances.
Cumple con los objetivos esenciales de las Directivas:
Abide by essential objectives relating Directives:
l de Baja Tensión (Low Voltage Directive) 2014/35/UE
l de Compatibilidad Electromagnética (EMC) 2014/30/UE
l RoHS 2011/65/UE
l RAEE (WEEE) 2012/19/UE
DECLARACIÓN DE CONFORMIDAD
DECLARATION OF CONFORMITY
DAS Audio Group, S.L.
C/ Islas Baleares, 24 - 46988 - Pol. Fuente del Jarro - Valencia. España
(Spain).
Declara que DSP-2040:
Declares that DSP-2040:
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Contents
Introduction
Front panel description
Rear panel description
Operating the device
Editing audio parameters - Input channels
Editing audio parameters - Output channels
Input ganging and output ganging
Memory structure
Security and locking
Advanced audio features
Specifications
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User’s Manual

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Introduction
The DSP-2040 are powerful DSP based audio processors, ideally suited for install applications, where they
combine the functions of a multitude of conventional products in a compact 1U unit. To achieve this, the
units have up to two inputs and four outputs which can be configured in a selection of basic crossover
modes – 2 x 2 way; 1 x 3 way + 1 Aux; and 1 x 4 way (as applicable to i/o configurations). They also offer a
“free assign” mode, which allows completely flexible routing of any output from any combination of inputs.
Each input has a gain control, variable delay and a further eight bands of fully parametric equalisation.
The parametric filter bands have a large selection of different filter types available, including shelving
behaviours.
Each output has a gain control, variable delay, high and low pass crossover filters, nine bands of fully
parametric equalisation, polarity switching and, additionally, a fully featured limiter, and a final clip limiter. The
crossover filters offer slopes of up to 48dB/Octave., with a variety of responses available.
A GPI interface may also be fitted to allow remote memory recalls using simple switch closure apparatus.
Security lock-out is available for all controls.
Features
Superb audio quality – carefully optimised double precision signal processing coupled with 24 bit
conversion ensure a dynamic range in excess of 117dB. The high sampling rate of 96kHz means minimal
filtering providing exceptional sonic purity with a bandwidth in excess of 32kHz.
A flexible input/output multi-mode format caters for any configuration, regardless of scale.
Both routing of inputs to outputs, and ganging (for editing) are completely flexible.
TM
A completely new SHARC based DSP platform supplies phenomenal computational power, allowing
the unit to provide not only multiple bands of standard parametric equalisation on every input and output, but
an additional full spectrum graphic equaliser on each of the four inputs. This additional power also permits
both program limiters and no overshoot clip limiters on each output.
Delay of up to 650mS may be independently set for each output, with an exceptionally fine minimum
increment of 300nS, which corresponds to a distance change of 0.1mm!
The comprehensive standard specification also includes up to 256 memories, with security lockout.
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Front panel description
[1]-LCD Screen: Shows, by default, the
name of the last recalled memory on the
bottom line of the screen, and the current
routing on the top line. Also used to show
all parameters as they are edited, and all
menu selections.
Control Keys: Selection and adjustment of parameters.
NEXT key moves forward through list of parameters.
BACK key moves backwards through list of parameters.
MENU key activates the main menu – a second press selects the last menu edited – a
third press selects the last menu item. In this way, three presses on MENU from the default
screen will jump back to the last parameter adjusted. Selection of different menus is
accomplished using the BACK and NEXT keys, or with the FREQ encoder.
key enters the chosen menu, confirms selections, and changes filter
types when editing parametric sections.
will flatten the currently selected parametric sections. Note that, for
safety reasons, it is not possible to bypass the high and low pass filter sections.
exits menus back to the default screen.
[2]-
[3]-
[4]-
[5]-ENTER
[6]-BYPASS
[7]-QUIT
[8]-Rotary Encoders: Three velocity sensitive encoders adjust the relevant
parameters as displayed on the screen.
Input Sections: Control and monitor input signal paths.
Red MUTE buttons illuminate when pressed and mute audio for
that channel.
EDIT buttons illuminate yellow when pressed, and access gain on first
press, then last viewed parameter on second press, then exit on third press.
[9]-
[10]-
[11]- Input meters show dB from clipping point of the analogue to digital converters. Yellow (0dB) LED
illuminates 3dB from clipping. Red CLIP LED may illuminate independently from the rest of the meter to
show digital overflow. All four CLIP LEDs illuminating indicates internal clipping after the ADC.
[13]-
[14]- ‘L+4’,
EDIT buttons illuminate yellow when pressed, and access gain on first press, then last viewed
parameter on second press, then exit on third press.
Output meters show dB from limiting. The yellow LED illuminates at the onset of limiting. The
red LED illuminates at 4dB, into limiting (i.e. 4dB of gain reduction).
Output Sections: Control and
monitor output signal paths.
Red MUTE buttons illuminate
when pressed and mute audio for
that channel.
[12]-
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Rear panel description
[1]:
Power Switch: turns the unit’s mains supply off and on.
Mains Fuse: located in a finger-proof holder adjacent to the mains inlet. A
spare fuse is also located in this holder.
Mains Inlet: connected via a standard IEC socket.
[2]-RS232: RS232 standard via a 9 pin D-type connector, for connection to a PC.
[3]-Audio Outputs: 3 pin XLR sockets are provided for each channel. All are fully balanced:
pin 2 hot
pin 3 cold
pin 1 screen.
[4]-Audio Inputs: 3 pin XLR sockets are provided for each channel. All are
fully balanced, pin 2 hot, 3 cold, 1 screen.
WARNING:
Class I device. This equipment must be earthed. If the cable or the mains plug
are damaged they must be replaced.
Always replace the fuse with the correct type and rating as shown on the rear
panel legend.
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Operating the device
The following operating information covers setup and control of the DSP-2040 via the front panel controls
only.
Start-up procedure
Switching on the unit will display a brief message detailing the unit type and software version running
and all LEDs will briefly illuminate. The unit will then begin its countdown to the wake-up procedure, during
which time the audio will fade up to the level last set. Metering will begin to operate when the fade-up starts.
Preliminary Set-up
The procedure below should be followed when first installing a DSP-2040.
Design your crossover! To do this, press MENU, and use the BACK or NEXT key to select 'Crossover
sub-menu' and then press ENTER. Use the BACK or NEXT key to select 'Design a crossover' and then
press ENTER. Finally, use the BACK or NEXT key to select the desired routingand follow the set-up wizard to
finalise your design.
Note that when in a menu, ENTER is always used to confirm selections. The current selection is marked
with an asterisk '*'.
Use the EDIT keys on each output channel with the BACK and NEXT keys to select the high pass filters,
low pass filters, parametrics etc. Note that when designing a new crossover, the high and low pass filters will
be set to default values.
Use the EDIT keys on each input channel with the BACK and NEXT keys to select the gain, delay and
parametrics available on each input.
Information:
Note that if no action is taken in menu mode, the unit will return to normal 'default' mode after about
twenty (20) seconds. Repeat the above directions to return to menu mode.
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Routing Options and Processing Blocks
Due to the completely new DSP platform, the routing possibilities within the DSP-2040 has been made
completely flexible, with a matrix available allowing any combination of inputs to be routed to any output. The
additional DSP power has permitted the inclusion of more processing blocks, even considering the extra
inputs and outputs, and the doubling of sample rate.
To reduce set-up time and aid usability, several standard configurations are available as described in a
later section.
This section will outline the processing blocks available in relation to the signal path, and explain the
various options for routing, including the “Free Assign” mode, which opens up completely flexible channel
routing.
Input Channel Makeup
The diagram below shows the processing available on each of the four input channels, before routing to the
matrix.
Output Channel Makeup
The diagram below shows the processing available on each of the eight output channels, after routing
from the matrix.
Preset Routing Configurations
In addition to the ability to assign any combination of inputs to any output, a number of preset
configurations are provided, for use when designing a crossover from scratch. These have the advantage of
suggested settings for the high and low pass filters to useful basic starting points, to filter the different
outputs as appropriate for the chosen configuration. These may, of course, be freely modified afterwards
should they not suit the requirements exactly.
The diagrams on the following pages show the connections made between inputs and outputs, and the
suggested values chosen for the high and low pass filters.
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1 x 3 way crossover + Aux:
This format feeds input A to outputs 1, 2 and 3, designated low, mid and high respectively, with Input B
unused. Output 4 (Aux) is a full bandwitch output by default.
“LOW” OUTPUT: 40.1Hz - 1.62kHz
“LOW” OUTPUT: 40.1Hz - 1.62kHz
“HIGH” OUTPUT: 1.62kHz - 22.2kHz
“HIGH” OUTPUT: 1.62kHz - 22.2kHz
2 x 2 way crossover:
As shown, each input feeds a pair of outputs, odd numbers being the low frequency split, and even
numbers being the high part of the spectrum. Default crossover frequencies are shown by each output.
AUX: 10Hz - 32kHz
“HIGH“ OUTPUT: 1.82kHz - 22.2kHz
“MID“ OUTPUT: 120Hz - 1.82kHz
“LOW” OUTPUT: 22.1Hz - 120Hz
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1 x 4 way crossover:
Inputs A is fed to all four outputs, with input B unused. The crossover points can be adjusted as desired.
Note: Input B will be muted and cannot be unmuted.
OUTPUT 1: 15Hz - 149Hz
OUTPUT 2: 149Hz - 1.31kHz
OUTPUT 3: 1.31kHz - 8kHz
OUTPUT 4: 8kHz - 22.2kHz
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Free Assign Routing
If none of the preset configurations are appropriate to the required system setup, it is possible to manually
select the routing of the crossover. This is achieved through the ‘Crossover Menu’ -> ‘Design A
Crossover’.
Pressing ENTER will start the crossover design wizard, with the first option being to choose the routing.
The display will show
Design A Crossover ->
Routing = 2 x 2 WAY *
or whatever the current configuration is set to. Press BACK until the display shows
Design A Crossover ->
Routing = Free Assign
And then press ENTER. The EDIT key will illuminate for output 1, as will any relevant input EDIT keys,
showing which inputs are feeding output 1. The display will also detail the current combination of inputs
feeding this output. To change the routing for any output, press its EDIT key, and then choose the required
input channel combination by just pressing the input EDIT keys as appropriate. The input combinations can
also be stepped through in turn by pressing NEXT, or BACK.
To complete the procedure, press ENTER. The wizard will continue, and if the routing has been changed,
all outputs will be muted on exit.
Note that:
st
1 .- Press EDIT to show input routing selection...
nd
2 .- Press EDIT input keys to select/deselect inputs.
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Editing audio parameters - Input channels
Input gain
The range of the control over the input gain is -40dB to +6dB in
0.1dB steps. Pressing EDIT, the display shows:
Base delay
The maximum available delay between any input and output is 650mS. For
example, if the input delay on channel A is set to 500mS, the maximum
available output delay for any output fed from input A will be 150mS. The
readout units can be changed between time in milliseconds, distance in feet or
distance in metres.
Input parametric EQ
The display shows:
IPA Input A Gain
Input Gain = +6.0dB
IPA Input A Delay
Base Delay = 0.00mS
IPA Input A PEQ : 1 <>
1k00Hz Q=3.0 0.0dB
Use the GAIN allow to change its value. Pressing ENTER to confirm.
Note: The delay steps are 1mS (343mm) through FREQ, or 10uS (4mm)
through Q encoder.
There are eight bands of parameter equalisation available on every input.
The behaviour of each individual band can be changed to a variety of different
filter shapes, including high and low shelves. Changing the filter type is achieved
by pressing ENTER during editing any particular band. For more details about
the various types of filter available, please see page 27.
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Output gain
The range of the control over the output gain is -40dB to +15dB in 0.1dB steps. Pressing EDIT the
display shows:
OP1 Output 1 Gain
Output Gain = +6.0dB
OP1 Output 1 Polar
Polarity = [+]
Output polarity
The polarity (or phase) of each output may be switched individually as
below.
Using GAIN, the phase may be changed between ‘-’ (inverted phase) or ‘+’
(non inverted phase).
Output delay
The maximum available delay between any input and output is 650mS. For
example, if the input delay on channel A is set to 500mS, the maximum
available output delay for any output fed from input A will be 150mS. The
readout units can be changed between time in milliseconds, distance in feet or
distance in metres.
OP1 Output 1 Delay
Delay = 0.0000mS
Note: The delay steps are 1mS (343mm) through FREQ, 10uS (4mm)
through Q, or 0.3uS (0.1mm) through GAIN encoder.
Editing audio parameters - Output channels
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Output high pass filter
The high pass crossover filter on each output has a frequency range of <10Hz up to 32kHz in 1/36th
Octave steps. If you try to set the high pass filter to a higher frequency than the low pass (which would be
pointless and result in no output), the message
OP1 Output 1 HPF /~~
<10Hz Linkw-Riley 48dB
OP1 Output 1 LPF ~~\
>32kHz Linkw-Riley 48dB
Output low pass filter
The low pass crossover filter on each output has a frequency range of
35.1Hz up to >32kHz in 1/36th Octave steps. If you try to set the low pass filter
to a lower frequency than the high pass (which would be pointless and result in
no output), the message
The FREQ allows to change the frequency, and using Q the slope.
The FREQ allows to change the frequency, and using Q the slope.
‘High/Low Freq. Overlap!’
will be displayed. Note that to access the 48dB/Octave filters, parametric
bands 6 & 7 need to be bypassed, or set to 0dB. If they are not, the message
‘Bypass PEQ’s 6 & 7 To Access 48dB Slopes’
will be displayed.
‘High/Low Freq. Overlap!’
will be displayed. Note that to access the 48dB/Octave filters, parametric
bands 8 & 9 need to be bypassed, or set to 0dB. If they are not, the message
‘Bypass PEQ’s 8 & 9 To Access 48dB Slopes’
will be displayed.
Output parametric EQ
There are nine bands of parametric equalisation available on every output.
The behaviour of each individual band can be changed to a variety of different
filter shapes, including high and low shelves. Changing the filter type is achieved
by pressing BYPASS to bypass the filter and then pressing ENTER during
editing any particular band. For more details about the various types of filter
available, please see page 27.
OP1 Output 1 PEQ:1<>
1kHz Q = 3 0.0dB
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Output limiter
The limiter on each output has adjustable attack and threshold, with a
release time that is selectable to be a multiplier of the attack time. For example,
as shown below, the attack time is 2mS and release is “x16” so 32mS. The
attack and release times can be automatically linked to the high pass filter
frequency, so that they are set to correct values for the output's frequency
range. If this feature is enabled, the display will show ’Automatic T/C’ in place
of the attack and release times. Selection of automatic time constants is
through the ’Design a Crossover’ wizard, in the ’Crossover Sub-menu’.
Output “D-Max” (Clip) limiter
The clip limiter on each output is designed to sit at a threshold just above
the standard limiter and has a look ahead attack so that its threshold can never
be exceeded. The release time can be automatically linked to the high pass filter
frequency, so that it is set to a value appropriate for the output's frequency
range. If this feature is enabled, the display will show ‘Rel.=Auto’ in place of
the release time. Selection of automatic time constants is through the ‘Design
a Crossover’ wizard, in the ‘Crossover Sub-menu’.
More information about the limiters and their use is given in the section on
page 22.
Information:
Note that 2 bands each will be lost when using 48dB slope crossover filters, resulting in
a maximum of 5 bands of EQ when both high and low pass are set to 48dB/Octave.
OP1 Output 1 Limiter
Atk=2.0mS Rel=x16 +22dB
OP1 Output 1 ClipLim
Rel.=Medium 2dB Above
Using FREQ, the attack time change. Through Q the release time change,
and through GAIN the threshold change. To complete the procedure, press
ENTER.
Using FREQ, the release time change, and through GAIN the threshold
change. To complete the procedure, press ENTER.
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Input ganging and output ganging
The method of linking inputs or outputs together during editing is achieved in the same way, so only
crossover (output) ganging will be explained here. Having selected from the menu
under the , the current ganging set-up will be displayed. This will either be a preset
selection as would be useful in a standard crossover configuration – for example
‘Crossover Ganging’
‘Crossover Sub-menu’
…would be a logical ganging arrangement if the crossover was set up as a 2 x 2 way – linking the control
and adjustment of all “Low” outputs together, and that of all “High” outputs together.
However, if the crossover has not been set up with a preset routing configuration, then it may be required
to set up the ganging to compliment this configuration. This is achieved using the mode. This
is selected from the preset ganging choices, which are:
‘Free Assign’
Selecting and then pressing ENTER will begin the process of ganging outputs together
using the following simple rules:
All outputs are ganged to the lowest number – so to gang3&4,4must be selected and then ganged
to 3.
Outputs cannot share more than one ganging set – so for example output 3 cannot be ganged to 2 and
4 unless they are ganged together as well. (Effectively 3 and 4 are ganged to 2 in this case)
With these rules in mind, selecting and setting up gangs is quite straightforward.
‘Free Assign’
Ø
Ø
Press a MUTE key to choose the output to gang – its LED will begin to flash, and an EDIT key will
illuminate to show which output it is currently ganged with. To change this selection, just press another EDIT
key, remembering that gangs work from the highest to lowest number. So, to gang outputs 1 and 4, press
MUTE 4 then EDIT 1 – the display will show
Ganging is cleared by selecting from the initial choices given above. The
procedure is identical to the crossover ganging, selectable under the .
‘Ganging=None’ ‘Input
Ganging’ ‘Input Sub-Menu’
<-Crossover Ganging
Ganging=1+3 2+4
<-Crossover Ganging
Gang Output 4 with 1
Ganging=None [all outputs independent]
Ganging=Free Assign [choose ganging]
Ganging=1+2+3+4 [1x4 way]
Ganging=1+3 2+4 [2x2 way]
Press MUTE to select
channel to gang...
MUTE begins to flash
Press EDIT keys to gang
flashing channel with selection
EDIT LED will light to show
lowest number in gang
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RECALL a Memory
Type= Input & Xover *
STORE a Memory
Type= Input & Xover *
ERASE a Memory
Type= Input & Xover *
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Memory structure
The DSP-2040 has its memories split into sections, allowing independent recall of crossover settings (i.e.
all parameters associated with outputs), and input settings.
There are, therefore, two types of memory available: ‘Input Only’ and ‘Crossover Only’,also
combinations ‘Input & Xover’.
These, and all combinations of memory types, appear in the ‘GLOBAL MEMORY Sub Menu’, and its
operation warrants a little more explanation.
Selecting to ‘STORE’ or ‘RECALL’ using the ‘GLOBAL MEMORY Sub Menu’ option offers the
possibility of storing various combinations of the available memory types, and these are selected using the
BACK and NEXT keys.
To explain how this all works, please consider the following example.
There are 10 memories stored in the unit with various combinations of input and crossover memories.
DSP-2040
User’s Manual