Shure Four Channel Automatic Microphone SCM410 Manual de usuario Pagina 1

Model SCM410/SCM410E User Guide©2009 Shure Incorporated27D8690 (Rev. 10)Printed in U.S.A.SCM410/SCM410EFOUR CHANNEL AUTOMATIC MICROPHONE MIXERSCM410/S

10ADVANCED FUNCTIONSLOGIC CONNECTION SPECIFICATIONSThe SCM410 logic functions expand the range of installation and con-trol options. Logic can be used

11SUGGESTED LOGIC APPLICATIONSThis section contains suggestions on the uses of the SCM410's logiccapabilities. Note that uses of these functions

12INHIBITING GATING FOR UNWANTED SOUNDSMaxBus attempts to activate only one microphone per sound source.Muting a microphone channel prevents its audio

13INHIBIT FUNCTIONFor information on the inhibit function, refer to the Internal Modifica-tions section.REMOTE VOLUME CONTROLThe level of the Aux or M

14INTERNAL MODIFICATIONS• Only make changes to jumpers (X) and resistors (R). The circuitboard contains holes where resistors are to be added.• For Ch

15CHANGING THE LIMITER THRESHOLDTo change the limiter threshold from the preset value of +16 dBu, modify the circuitry according to the following tabl

16CHANGING OVERRIDE IN TO MUTE IN (FILIBUSTER MODE)This modification should only be performed with the Change MUTE INto Inhibit modification described

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3DESCRIPTIONThe Shure Model SCM410/E is a four-channel automatic microphone mixer for use in sound reinforcement, audio recording, and broadcast appli

4REAR PANEL Power Connector: Unit is energized when the power cord isplugged into a 100-120 Vac (SCM410) or 220-240 Vac(SCM410E) power source. NOTE:

5INSTALLATIONSUPPLIED HARDWARE• 4 rubber feet• 1 rackmount bracket, long• 1 rackmount bracket, short• 2 straddle brackets• 10 bracket screws, 6 mm (1/

6TABLE-TOP MOUNTINGAdhere the four (4) supplied rubber feet to the bottom of the mixer ateach corner. This will keep it from sliding and protect the t

7SCM410 CONNECTIONS1. Connect microphone signal sources to the Channel Input connec-tors. Use conventional 2-conductor shielded audio cables.2. If any

8BASIC MIXER OPERATION1. Adjust each channel level so that its Overload LED flickers only during very loud speech or noise.2. Adjust the Low-Cut and H

9SPECIFICATIONSMeasurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM410) or 230 Vac, 50 Hz (SCM410E); full gain; 1kHz,