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Summary of Contents for Shure SCM410
- Page 1 Model SCM410 User Guide SCM410/SCM410E FOUR CHANNEL AUTOMATIC MICROPHONE MIXER 2006, Shure Incorporated Printed in U.S.A. © 27D8690 (Rev. 7)
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Page 2: Table Of Contents
SCM410 CONNECTIONS........ -
Page 3: Description
SCM410. Multiple SCM410 mixers can The SCM410 operates on 100-120 Vac power and the SCM410E be linked to other SCM410 mixers, as well as to Shure Models FP410, operates on 220-240 Vac power. Each mixer is supplied with a power SCM810, SCM800, and AMS8100 mixers. -
Page 4: Rear Panel
Power Connector: Unit is energized when the power cord AUX OUT Phono Connector: Feeds consumer-level audio is plugged into a 100-120 Vac (SCM410) or 220-240 Vac equipment, such as a tape recorder, VCR, or video camera. (SCM410E) power source. Can be internally modified.Refer Not affected by MIC/LINE switch. -
Page 5: Installation
• 4 wood screws, 1.25 cm (1/2 in.) RACK MOUNTING The SCM410 is supplied with hardware for mounting one or two Dual Mixer (Full Rack) Installation units to a 19-inch audio equipment rack. The hardware can also be 1. Place the two mixers side-by-side and connect them with two (2) used to rack mount other Shure products, including the SCM268, straddle brackets. -
Page 6: Table-Top Mounting
TABLE-TOP MOUNTING Adhere the four (4) supplied rubber feet to the bottom of the mixer at each corner. This will keep it from sliding and protect the table surface. ATTACHING RUBBER FEET FOR TABLE-TOP MOUNTING FIXED MOUNTING TOP MOUNT HANGING MOUNT Fasten the straddle brackets to the recessed edges of the chas- Fasten the straddle brackets to the top of the mixer. -
Page 7: Scm410 Connections
SCM410 CONNECTIONS Connect microphone signal sources to the Channel Input connec- Connect the SCM410 Mic/Line Level Output to the input of mixers, tors. Use conventional 2-conductor shielded audio cables. EQs, amplifiers or recorders. If any condenser microphones are connected, set the +12V phantom Connect the power cord to 100-120 Vac (SCM410) or 220-240 Vac power DIP switch to ON. -
Page 8: Basic Mixer Operation
3. Adjust the Master level control for the required output level, as during very loud speech or noise. indicated by the output peak meter. The SCM410 is now ready for 2. Adjust the Low-Cut and High-Frequency controls adjacent to each use. -
Page 9: Specifications
SPECIFICATIONS Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM410) or 230 Vac, 50 Hz (SCM410E); full gain; Ω Ω 1 kHz, one channel activated; source impedances: Mic 150 ; terminations: Line/Mic Aux 10 k Frequency Response (at 1 kHz, channel controls centered) Input LEDs 50 Hz to 20 kHz ±2 dB;... - Page 10 Line (Power) Cord, 230-240 Vac (UK) ....95A8713 Knob, Channel Gain (blue) ....... 95B8238 External 50 dB Line Pad ........A15LA Line (Power) Cord (SCM410) ......95A8762 Service Statement Line (Power) Cord (SCM410E)......95A8778 For additional technical assistance, phone Shure at Link Cable............
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Page 11: Advanced Functions
CAUTION: Use of Advanced Functions is recommended only for qualified audio technicians. LOGIC CONNECTION SPECIFICATIONS LOGIC CONNECTIONS The SCM410 logic functions expand the range of installation and con- trol options. Logic can be used for everything from simple cough switches Logic Function Logic Function to elaborate computer-controlled room systems. -
Page 12: Suggested Logic Applications
SUGGESTED LOGIC APPLICATIONS REMOTE CHANNEL-ON INDICATORS This section contains suggestions on the uses of the SCM410's logic capabilities. Note that uses of these functions are not limited to the listed Remote indicators can be used to indicate when a talker's microphone applications. - Page 13 INHIBITING GATING FOR UNWANTED SOUNDS An existing sound system using 24-volt relays can be used with the SCM410 without modification if the relay coil current draw is under 500 mA. MaxBus attempts to activate only one microphone per sound source.
- Page 14 EXTERNAL LOGIC DEVICES For information on the inhibit function, refer to the Internal Modifica- SCM410 logic levels are directly compatible with TTL and 5V CMOS tions section. logic families. Mixer logic may be used with 15V CMOS logic if a pull-up resistor is used with each GATE output.
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Page 15: Internal Modifications
FIGURE 16 MODIFYING THE SCM410 FOR 220-240 VAC, 50/60 HZ OPERATION As supplied, the SCM410 uses 100-120 Vac, 50/60 Hz power. To mod- Using a screwdriver, turn the center rotor to the 230 position. ify if for use with 220-240 Vac, 50/60 Hz power, proceed as follows:... - Page 16 Short 470k LOCAL AUX OPERATION This modification removes the auxilliary audio from the SCM410 out- Procedure: puts. Auxilliary audio originates from the aux inputs of the Shure SCM810, Remove resistor R9187. SCM800, and AMS8100 mixers when linked to the SCM410.
- Page 17 MUTE IN PRECEDENCE TO OVERRIDE IN PRECEDENCE When both MUTE IN and OVERRIDE IN logic are grounded, the Over- Procedure: ride mode will take precedence (as supplied, the MUTE IN takes prece- Short jumper X1005. dence over OVERRIDE IN). Remove resistor R1087. DEAD ZONE ON MUTE IN DEFEAT As supplied, MUTE IN is intended for use as a momentary cough but- talker through a muted microphone and other microphones do not acti-...
- Page 18 If necessary, modify the channel input to accept line level sig- a channel of the SCM410 without affecting the automatic mixing of the un- nals. Refer to the Inserting an Input Line Pad paragraph.
- Page 19 United States, Canada, Latin America, Caribbean: 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 847-600-2000 U.S. Fax: 847-600-1212 Intl Fax: 847-600-6446 Europe, Middle East, Africa: Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414 Asia, Pacific: Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055...