Toa M-243 - Features of the Stereo Mixer; Nomenclature and Functions; Front Panel

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4 5 6 7
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Inside of the
protective cover
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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.