6
3. GENERAL DESCRIPTION
The M-864D is a Digital stereo mixer equipped with digital signal processing functions such as Automatic
Resonance Control function (ARC), Feedback Suppressor function (FBS), Automatic stereo input mute
function*
1
, Tone controller, and PEQ.
Tone control and gain adjustment can be made through the front panel operation.
Further, each input has a built-in analog gain control circuit.
It can be mounted in a 19-inch EIA component rack (4U size*
2
).
*
1
Auto mute function or Ducker function
*
2
1U size = 44.5 mm (standard size)
4. FEATURES
• A stereo mixerwith 22 input channels (8monaural inputs and 7 stereoinputs) and 6 output channels (4
monaural outputs and 1 stereo recording output).
• Assignableeachinputto6outputchannels(OUTPUTs1–4,RECOUTL/R)individually.
• Adjustableforintelligiblesoundoutput(ARCfunction)byautomaticallycreatingasoundeldcompensation
lter(ARClter).
• Automaticfeedbacksuppressor(FBSfunction).
• Stereoinputsmutedautomaticallybydetectingthemonauralinputsignal(AutomaticMutefunction).
• Monauralinputswithabuilt-inanaloggaincontrolcircuit(0to+60dB).
• Monauralinputscapableofsupplyingphantompower(+24V,10mA).
• Stereoinputswithabuilt-inanalogtrimcontrolcircuit(–∞to0dB).
• Volumeadjustablewith60mm(2.36")faders.
• EachfunctionsettableattheM-864Dusingitsfront-mountedswitchesandfaders.
• AdvancedsettingsusingthesuppliedM-864DPCSoftwareviaLAN.
• DesignedforuseinconjunctionwiththeoptionalRemoteControlPanelsZM-9011,ZM-9012,ZM-9013,and
ZM-9014 (collectively referred to as “ZM Remote controller” in this manual), enabling volume control, channel
ON/OFF, and Preset memory recall.
5. HANDLING PRECAUTIONS
• Thesuppliedpowersupplycordisdesignedforexclusiveusewiththisunit.Neveruseitwithotherequipment.
• Installtheunitinlocationswherethetemperatureisbetween0and+40°C(32and104°F)andthemoisture
is less than 90% (no dew condensation must be formed).
• The M-864D is a precision audio component. To prevent failure, avoid locations where the unit may be
exposed to strong shocks or vibrations.
• Toclean,besuretofirstswitchofftheunit'spower,thenwipewithadrycloth.Whentheunitgetsverydirty,
use a cloth damped in a neutral cleanser. Never use benzene, thinner, alcohol, or chemically-treated cleaning
cloth because such volatile liquids could deform or discolor the unit.
6. INSTALLATION PRECAUTIONS
• BesuretoinstallandconnecttheunitbeforetheconnectiontotheACmainsoutlet.Removetheunit'spower
supply cord from the AC mains outlet when uninstalling or disconnecting the unit.
• Thesocket-outletshallbeinstalledneartheequipmentandtheplugshallbeeasilyaccessible.