Shure SCM410E manual SCM410 Connections, Linking Multiple Mixers, Linked SCM410 and SCM810 Mixers

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SCM410 CONNECTIONS

1.Connect microphone signal sources to the Channel Input connectors, as shown in Figure 14. Use conventional 2-con-

ductor shielded audio cables.

2.If any condenser microphones are connected, set the +12V phantom power DIP switch to ON.

3.Connect the SCM410 Mic/Line Level Output to the input of mixers, EQs, amplifiers or recorders.

4.Connect the power cord to 100±120 Vac (SCM410) or 220±240 Vac (SCM410E)

SHURE

OR

SCM410 CONNECTIONS

FIGURE 14

LINKING MULTIPLE MIXERS

If more than four inputs are needed, multiple Shure SCM410, FP410, or SCM810 mixers can be linked by connecting the LINK OUT of the first mixer to the LINK IN of the next mixer, and so on. See Figure 15. Leave the LINK IN jack of the first mixer and the LINK OUT jack of the last mixer unconnected.

When properly linked, the mixers will operate as a system. Au- tomatic mixing functions will be shared by all units. All input signals appear at all linked mixer outputs. Each mixer's Master level control only controls its own output. However, actual off- attenuation will increase as more mixers are linked. This re- duces excessive noise and reverberation contributed by the increased number of microphones.

IMPORTANT: When using logic terminals on linked mixers, connect the LOGIC GROUND terminals of each unit together. NOTE: SCM410 link connections are unbalanced. To mini- mize hum and noise, avoid using longer link cables. Use high quality, shielded cable, and keep them away from sources of magnetic or electrical noise, such as power transformers or

light dimmers. To minimize ground currents, make sure linked mixers are connected to the same AC power mains.

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LINKED SCM410 AND SCM810 MIXERS

FIGURE 15

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Contents
Four Channel Automatic Microphone Mixer Table of Contents Front Panel Features Description Operating PrinciplesRear Panel DIP Switch FunctionsPower On/Off switch on this mixer Not affected by MIC/LINE switchSupplied Hardware InstallationSingle Mixer Half Rack Installation Dual Mixer Full Rack InstallationHanging Mount TABLE-TOP MountingFixed Mounting Top MountLinked SCM410 and SCM810 Mixers SCM410 ConnectionsLinking Multiple Mixers SCM410 ConnectionsLow Cut Filter High-Pass Basic Mixer OperationLimiter Equalizer FunctionsSpecifications Replacement Parts Advanced Functions Logic Connection SpecificationsLogic Equivalent Circuit Diagram Logic ConnectorDisabling the Gating Function Bypass Remote Channel-On IndicatorsSuggested Logic Applications Cough ButtonInhibiting Gating for Unwanted Sounds ªFilibusterº ModeInhibiting Gating for Unwanted Sounds Loudspeaker MutingExternal Logic Devices Remote Volume ControlInhibit Function Diode Isolation of Logic ControlsInternal Modifications Changing Hold Time Inserting AN Input Line PADDisabling the Master Level Control Changing the Limiter ThresholdGroup Gating Changing Override in to Mute in Filibuster ModeDead Zone on Mute in Defeat Changing the OFF-ATTENUATION LevelShorting Mute in to Logic Ground Internally Manual Mode EnableDisabling Automatic Mixing Function by Channel
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