Optimus M-243 L User manual

Optimus
Brand
Optimus
Model
M-243 L
Category
Supplementary music equipment
Type
User manual

This manual is also suitable for

OPERATING INSTRUCTIONS
STEREO MIXER M-243
Thank you for purchasing TOA’s Stereo Mixer.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS .... 2
2. SAFETY PRECAUTIONS ............................. 3
3. GENERAL DESCRIPTION ........................... 4
4. FEATURES ................................................... 4
5. NOMENCLATURE AND FUNCTIONS ......... 5
Front ............................................................... 5
Rear ............................................................... 6
6. INTERNAL SWITCH SETTINGS ................. 6
7. BLOCK AND LEVEL DIAGRAMS ................ 7
8. DIMENSIONAL DIAGRAM .......................... 7
9. SPECIFICATIONS ........................................ 8
Accessories ................................................... 8
2
• Lirecesinstructions.
• Conserver ces instructions pour référence
ultérieure.
• Respectertouslesavertissements.
• Suivretouteslesinstructions.
• Nepasutilisercetappareilàproximitéd'eau.
• Nettoyeruniquementàl'aided'unchiffonsec.
• Nepasobstruerlesoricesdeventilation.Installer
conformémentauxinstructionsdufabricant.
• Nepasinstalleràproximitédesourcesdechaleur
tellesquedesradiateurs,desregistresthermiques,
des chaudières ou d'autres appareils (notamment
desamplicateurs)produisantdelachaleur.
• Ne pas contourner la fonction de sécuritéde la che
polariséeoudemiseàlaterre.Unechepolariséeest
équipéededeuxbroches,dontl'uneestpluslargeque
l'autre.Unechedemiseàlaterreestéquipéededeux
brochesetd'unetroisièmepourlamiseàlaterre.Cette
dernière,lapluslarge,estprévueàdesnsdesécurité.
Si la che fournie ne peut être insérée dans la prise
électriquesouhaitée,consulterunélectricienpourfaire
remplacercettedernière.
• Protéger le cordon d'alimentation pour éviter qu'il
nesoitpiétinéoupincé,notammentauniveaudes
ches, des prises de courant ou de son point de
sortiedel'appareil.
• Utiliseruniquementlesaccessoiresspéciésparle
fabricant.
•
Utiliser uniquement avec le
chariot, support, trépied, la patte
demontage ou latablespéciés
par le fabricant ou vendus avec
l'appareil. En cas d'utilisation
d'un chariot, manipuler la
combinaison chariot/appareil
pour éviter les blessures dues à
unrenversement.
• Débranchercetappareil pendant les oragesainsi
que lorsqu'il reste inutilisé pendant une période
prolongée.
• Lamaintenancedel'appareildoitêtreconéeàun
technicien après-vente qualié. Une maintenance
s'avère nécessaire si l'appareil est endommagé
(auniveauducordond'alimentationoudelache),
aétémouillé par unliquide,unobjetesttombéà
l'intérieur,s'ilaétéexposéàlapluieoul'humidité,
s'ilnefonctionnepasnormalementous'ilesttombé.
• Readtheseinstructions.
• Keep these instructions.
• Heedallwarnings.
• Follow all instructions.
• Donotusethisapparatusnearwater.
• Cleanonlywithdrycloth.
• Do not block any ventilation openings. Install in
accordancewiththemanufacturer'sinstructions.
• Do not install near any heat sources such as
radiators,heatregisters,stoves,orotherapparatus
(includingamplifiers)thatproduceheat.
• 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.Agrounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are
providedforyoursafety.Iftheprovidedplugdoes
not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
• Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles,andthepointwheretheyexitfromthe
apparatus.
• Onlyuseattachments/accessoriesspecifiedbythe
manufacturer.
• Use only with the cart, stand,
tripod,bracket,ortablespecified
bythemanufacturer,orsoldwith
the apparatus. When a cart is
used, use caution when moving
the cart/apparatus combination
toavoidinjuryfromtip-over.
• Unplug this apparatus during lightning storms or
whenunusedforlongperiodsoftime.
• 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.
1. IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS ESSENTIELLES POUR LA SÉCURITÉ
3
2. SAFETY PRECAUTIONS
• Beforeinstallationoruse,besure to carefullyreadallthe instructionsinthissectionforcorrectandsafe
operation.
• Besuretofollowalltheprecautionaryinstructionsinthissection,whichcontainimportantwarningsand/or
cautionsregardingsafety.
• Afterreading,keepthismanualhandyforfuturereference.
Safety Symbol and Message Conventions
Safetysymbolsandmessagesdescribedbelowareusedinthismanualtopreventbodilyinjuryandproperty
damage which could result from mishandling. Before operating your product, read this manual rst and
understandthesafetysymbolsandmessagessoyouarethoroughlyawareofthepotentialsafetyhazards.
Indicatesapotentiallyhazardoussituationwhich,ifmishandled,could
resultindeathorseriouspersonalinjury.
Indicatesapotentiallyhazardoussituationwhich,ifmishandled,could
resultinmoderateorminorpersonalinjury,and/orpropertydamage.
WARNING
CAUTION
When Installing the Unit
Lors de l’installation de l’appareil
• Do not expose the unit to rain or an environment
whereitmaybesplashedbywaterorotherliquids,
asdoingsomayresultinreorelectricshock.
• Nepasexposerl’appareilàlapluieetleprotégerde
toutcontactavecdel’eauoud’autresliquidesan
d’éviterunincendieouuneélectrocution.
• Use the unit only with the voltage specied on
theunit.Usingavoltagehigherthanthatwhichis
speciedmayresultinreorelectricshock.
• Do not cut, kink, otherwise damage nor modify
thepowersupplycord.Inaddition,avoidusingthe
powercordincloseproximitytoheaters,andnever
placeheavyobjects--includingtheunititself--on
the power cord, as doing so may result in re or
electric shock.
• Since the unitis designed forin-dooruse, donot
installitoutdoors.Whenitgetswetwithrain,there
isadangerofelectricshock.
•Theapparatusshallbeconnectedtoamainssocket
outletwithaprotectiveearthingconnection.
• The socket-outlet shall be installed near the
equipmentandtheplugshallbeeasilyaccessible.
When the Unit is in Use
• Should the following irregularity be found during
use,immediately switchoffthe power, disconnect
the power supply plug from the AC outlet and
contactyournearestTOAdealer.Makenofurther
attempttooperatetheunitinthisconditionasthis
maycausereorelectricshock.
· If you detect smoke or a strange smell coming
from the unit.
· Ifwateroranymetallicobjectgetsintotheunit
· Iftheunitfalls,ortheunitcasebreaks
· Ifthepowersupplycordisdamaged(exposureof
thecore,disconnection,etc.)
· Ifitismalfunctioning(notonesounds.)
• Topreventareorelectricshock,neveropennor
remove the unit case as there are high voltage
components inside the unit. Refer all servicing to
qualiedservicepersonnel.
• Do not place cups, bowls, or other containers of
liquidormetallicobjectsontopoftheunit.Ifthey
accidentallyspillintotheunit,thismaycauseare
or electric shock.
• Donotinsertnordropmetallicobjectsorammable
materialsintheventilationslotsoftheunit'scover,
asthismayresultinreorelectricshock.
CAUTION
When Installing the Unit
• Never plug in nor remove the power supply plug
with wet hands, as doing so may cause el
ectric
shock.
• Whenunpluggingthepowersupplycord,besureto
graspthepowersupplyplug;neverpullonthecord
AVERTISSEMENT
WARNING
4
itself. Operating the unit with a damaged power
supplycordmaycauseareorelectricshock.
• Whenmovingtheunit,besuretoremoveitspower
supply cord from the wall outlet. Moving the unit
with the power cord connected to the outlet may
causedamagetothepowercord,resultinginreor
electricshock.Whenremovingthepowercord,be
suretoholditsplugtopull.
• Avoidinstallingtheunitinhumidordustylocations,
inlocationsexposedtothedirectsunlight,nearthe
heaters, or in locations generating sooty smoke
or steam as doing otherwise may result in re or
electric shock.
• Besuretofollowtheinstructionsbelowwhenrack-
mountingtheunit.Failuretodosomaycauseare
orpersonalinjury.
· Installtheequipmentrackonastable,hardoor.
Fix it with anchor bolts or take other arrangements
topreventitfromfallingdown.
· Whenconnectingtheunit'spowercordtoanAC
outlet, use the AC outlet with current capacity
allowable to the unit.
· Thesuppliedrack-mountingscrewscanbeused
fortheTOAequipmentrackonly.Donotusethem
for other racks.
When the Unit is in Use
• If dust accumulates on the power supply plug or
in the wall AC outlet, a re may result. Clean it
periodically.Inaddition,insert thepluginthe wall
outlet securely.
• Switchoffthepower,andunplugthepowersupply
plug fromthe ACoutletforsafetypurposeswhen
cleaningorleavingtheunitunusedfor10daysor
more.Doingotherwisemaycauseareorelectric
shock.
L’éclairaccompagnéd’unsymbolereprésentantunepointedeècheàl’intérieurd’untriangleéquilatéral
avertitl’utilisateurdelaprésenced’une“tensiondangereuse”àl’intérieurdel’enceintedutéléviseur,
dontlamagnitudepeutêtresufsantepourconstituerunrisquedechocélectriquepourlespersonnes.
Le point d’exclamation à l’intérieur d’un triangle équilatéral avertit l’utilisateur de l’existence
d’instructionsd’utilisationetd’entretien(réparation)dansladocumentationfournieavecl’appareil.
3. GENERAL DESCRIPTION
TheM-243isastereomixerequippedwith2monauralinputs,4stereoinputs,1stereooutput,and2monaural
outputs.ItcanbemountedinanEIAcomponentrack(1Usize*).
*1Usize=44.5mmor1.75"(standardsize)
Thelightingashwitharrowheadsymbol,withinanequilateraltriangle,isintended
toalerttheusertothepresenceofuninsulated"dangerousvoltage"withintheproduct'senclosure
thatmaybeofsufcientmagnitudetoconstituteariskofelectricshocktopersons.
Theexclamationpointwithinanequilateraltriangleisintendedtoalerttheuser tothe presence
ofimportantoperationandmaintenance(servicing)instructionintheliteratureaccompanyingthe
appliance.
5
4 5 6 7
1
28 9
10
Inside of the
protective cover
3
5. NOMENCLATURE AND FUNCTIONS
[Front]
1. Power switch
Powerisswitchedonandoffwitheachdepression
of this switch.
2. Power indicator
LightswhenthepowerswitchissettoON.
3. Assignment keys [ST, 1, 2]
Select one of the following output destinations
to which the post-fader input signals are routed.
Signalsareoutputwhenpressed.
ST: Stereo output
1: MONO1output
2: MONO2output
4. Protective cover
Used to protect the setting position of the
assignmentkeys(3)fromaccidentaloperation.
Itcanbeusedasawritingplate.
5. Peak indicator
Lightswhentheoutputsignalreaches3dBbelow
clipping.Besuretoadjusteachinputlevelsothat
thePeakindicatordoesnotlightcontinuously.
6. Equalizer controls [EQ: LOW & HIGH]
Adjuststereooutputsignaltone.
LOW: Lowfrequencyadjustment(20Hz,±15
dBshelving)
HIGH:Highfrequencyadjustment(20kHz,
±15dBshelving)
7. Stereo output level control
Adjustsstereooutputlevel.
8. Input level controls [1 – 6]
(1 – 2: Monaural input, 3 – 6: Stereo input)
Adjusttheinputlevelofeachchannel.
9. Mute key
Activatesmutingwhenpressed.(Indicatorlights.)
[Muting function]
This function works only for the stereo output
channels. Attenuates the signals applied to
Channels3through6bydetectingsignalsapplied
toChannel1or2.(Thisfunctiondoesnotworkfor
themonauraloutputsignal.)
10. Monaural output level controls
Adjustmonauraloutputlevel.
4. FEATURES
• 2monauralinputs,4stereoinputs,1stereooutput,and2monauraloutputs.Assignableeachinputsignalto
3outputchannelsindividually.
• Sub-inputterminalsforstereooutputchannelandeachof2monauraloutputchannels.
• Microphone inputorline inputformonaural inputselectabledependingon thesignal level.Built-in limiter
circuitryeliminatesdistortionunderexcessiveinputlevels.High-passlteraswellasPAD(onlyforMICinput)
inthemonaurallineavailablebytheinternalswitchsettings.
• Peakindicatortodetectclipping.
• An"AutomaticMuting"circuitautomaticallymutesthestereooutputsignalbydetectingthemonauralinput
signal.(ON/OFFswitchable)
• Arecordingoutputandequalizer(highandlowfrequencies)forthestereooutputchannel.
• 2channelmonauraloutputsusableassumoutputsforthestereooutputchannelindividuallybytheinternal
switch setting.
• Protectivecoverforprotectingthesettingpositionofeachinputusableasawritingplate.
• Knobssupplied indifferent colorsand sizeeasilyreplaceable dependingon theintended use, improving
operability of the unit.
6
L
R
L
STEREO BUS
MONO 1 (2)
SWITCH
MONO 1 (2)
BUS
R
STEREO OUT
MONO 1 (2) OUT
[Factory default setting] [After the change]
L
R
L
STEREO BUS
MONO 1 (2)
SWITCH
ST SUM
MONO 1 (2)
BUS
R
STEREO OUT
MONO 1 (2) OUT
Change in setting
6. INTERNAL SWITCH SETTINGS
11 12 13 14 15 16 17
18
19
[Rear]
11. AC inlet
Connectthesuppliedpowercord.
12. Functional earth terminal
Hum noise may be generated when external
equipment is connected to the unit. Connecting
this terminal to the functional earth terminal of the
externalequipmentmayreducethehumnoise.
Note: Thisterminalisnotforprotectiveearth.
13. Monaural output jacks
Function as sum output for the stereo output
channel by the internal switch setting. (Referto
section"6.INTERNALSWITCHSETTINGS.")
14. Stereo output jacks
15. Recording output jacks
Output the signal from the stereo output bus for
recording.
16. Monaural sub-input terminals
Signals from these terminals are sent to each
monauraloutputbus(Mono1andMono2).
17. Stereo sub-input terminals
Signals from these terminals are sent to stereo
output bus. Connecting the signal to only "L"
permitsittobeinputtoboth"L"and"R."
18. Stereo input terminals (3 – 6)
OnlyCH6'sRCAjacksareinternallyconnectedin
paralleltophonejacks.
19. Monaural input terminals (1, 2)
SelecteitherMICorLINEforconnection.Ifboth
areconnected,LINEinputtakesprecedence.
Thefunctionsbelowcanbemadeavailablebychangingtheswitchsettingsinsidetheunit.
(1)"PAD"switch:Settothe"IN"positiontoinsertPAD(20dB)inthemonauralinput(microphoneinput).
(2)"HPF"switch:Settothe"IN"positiontoinsertHighpasslter(300Hz,–6dB/oct)inthemonauralinput.
(3)"GND"switch:Whentheunitisconnectedtoexternalequipment,agroundmaycreatealoop,potentially
generatinganoise(hum).Insuchcases,setthisswitchtotheLIFTpositiontocutoffthegroundloop.
(4)"MONO1"and"MONO2"switches:Settothe"STSUM"positiontochangeeachmonauraloutputtostereo
sum output for the stereo output channel.
This work should only be performed by a qualified professional
electrician. Ifusersopen theunit case ormodify theunit, thismay
cause fire or electric shock.
WARNING
7
8. DIMENSIONAL DIAGRAM
466 (18.35)
419 (16.5)
483 (19.02)
280 (11.02)
301.8 (11.88)
7 x 10
(0.28 x 0.39)
46
(1.81)
15
(0.59)
31.8
(1.25)
44
(1.73)
Unit:mm(in)
7. BLOCK AND LEVEL DIAGRAMS
CH1, CH2
(MONO INPUT)
LINE
–10 dB
REC
OUT
-
10 dB
STEREO
OUT
+
4 dB
MONO
OUT
+
4 dB
MIC
–60 dB
CH3 – CH6
(STEREO
INPUT)
–
10 dB
STEREO
SUB INPUT
+
4 dB
MONO
SUB INPUT
+
4 dB
L
LR12
1
2
+
20
(dB) (dB)
+
10
–10
–20
–30
–40
–50
–60
0
R
R
MONO
CH6
L
L
R
L
R
1
2
R
ST
ST
CH1
CH2
1
1
2
2
ON/
OFF
PAD
(20 dB)
*
MUTE
BUS
BUS
STEREO MONO
ST SUM
POWER ON
MUTE
MONO 1
*
MONO 2
*
*
INTERNAL SWITCH
PEAK LED TURN ON
(+
17 dB)
CLIP LEVEL
(+
20 dB)
MONO OUT
STEREO OUT
REC OUT
(+4 dB)
(+4 dB)
(
-
10 dB)
(IN/OUT)
*
CH6
BA
BA
BA
BA
SA
SA
SA
SA
SA
SA
SA
SA
HA
HA
HA
EBA
PAD
PAD
VOL
VOL
HPF
MONO 1
PEAK
LOW HIGH
MONO 2
MUTE
LIMIT
STEREO
ASSIGN
ASSIGN
MUTE
CONTROL
LA
LA
LA
LA
LA
LA
EQ
EQ
HA
+
20
+
10
–10
0
MIC/PAD
(–40 dB)
MIC
(–60 dB)
STEREO IN (–10 dB)
LINE (–10 dB)
SUB IN
(+
4 dB)
9. SPECIFICATIONS
Power Source M-243L: 120VAC,60Hz
M-243301H:220–240VAC,50/60Hz
PowerConsumption M-243L: 10W
M-243301H:12W
MonauralInput Line: –10dB*,10kΩ,unbalanced,φ6.3mmphonejack(2P)
Mic: –60dB*,1kΩ,balanced,3-pinXLRconnector
Mic(Pad): –40dB*,1kΩ,balanced,3-pinXLRconnector
StereoInput(L,R) –10dB*,10kΩ,unbalanced,RCAjack
AuxiliaryStereoInput +4dB*,50kΩ,unbalanced,φ6.3mmphonejack(2P)
StereoOutput(L,R) +4dB*,1kΩ,unbalanced,φ6.3mmphonejack(2P)
Monaural Output +4dB*,1kΩ,unbalanced,φ6.3mmphonejack(2P)
RECOutput(L,R) –10dB*,1kΩ,unbalanced,RCAjack
Frequency Response 20Hz–20kHz(+1,–2dB)
T.H.D. 0.01%orless(1kHz,ratedinput/output)
NoiseLevel(IHF-A) Whenallvolumecontrolsareinminimumposition.
Stereooutput(L,R): –105dB*orless
MonauralOutput(1,2): –98dB*orless
Whenthestereo,monaural(1,2)areinmaximumposition
Stereooutput(L,R): –94dB*orless
MonauralOutput(1,2): –95dB*orless
Finish Front Panel: Alumite, black
Case: Steel,black
Dimensions 483(w)x46(h)x301.8(d)mm(19.02"x1.81"x11.88")
Weight 3.8kg(8.38lb)
*0dB=0.775Vrms
Note: Thedesignandspecicationsaresubjecttochangewithoutnoticeforimprovement.
• Accessories
Powercord(2mor6.56ft) ........................1
Rackmountingscrew(5x20) ................... 4
Rubber foot ................................................ 4
Knob(blue,small) ..................................... 2
Knob(red,small) ....................................... 2
Knob(blue,large) ...................................... 1
Knob(red,large) ........................................ 1
URL:http://www.toa.jp/
133-02-00051-01
Traceability Information for Europe
Manufacturer:
TOACorporation
7-2-1,Minatojima-Nakamachi,Chuo-ku,Kobe,Hyogo,
Japan
Authorizedrepresentative:
TOAElectronicsEuropeGmbH
Suederstrasse282,20537Hamburg,
Germany
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Optimus M-243 L User manual

Optimus
Brand
Optimus
Model
M-243 L
Category
Supplementary music equipment
Type
User manual
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