Lectrosonics MM400C Instruction Manual Download

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MM400C

Watertight Miniature UHF Belt-Pack Transmitter

Featuring Digital Hybrid Wireless

Technology

INSTRUCTION MANUAL

Rio Rancho, NM, USA

www.lectrosonics.com

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Serial Number:

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Summary of Contents for MM400C

Page 1: ...C Watertight Miniature UHF Belt Pack Transmitter Featuring Digital Hybrid Wireless Technology INSTRUCTION MANUAL Rio Rancho NM USA www lectrosonics com Fill in for your records Serial Number Purchase...

Page 2: ...MM400C LECTROSONICS INC 2...

Page 3: ...e for use with modern electret lavaliere microphones Multi color LEDs are provided to make input gain adjustments quick and accurate without having to view the receiver The battery compartment accepts...

Page 4: ...MM400C LECTROSONICS INC 4...

Page 5: ...8 Power ON OFF Switch 8 Power LED 8 Mic Jack 9 Audio Level 9 Modulation LEDs 9 Frequency Select Switches 9 Antenna 9 Belt Clip 9 Battery Installation 10 Operating Instructions 11 Selecting the Compati...

Page 6: ...ng the audio in the transmitter and decoding it in the receiver yet still sending the encoded informa General Technical Description tion via an analog FM wireless link This proprietary algorithm is no...

Page 7: ...tem uses an ultrasonic tone between 25 and 32 kHz to operate the receiver squelch The pilot tone squelch system keeps the receiver muted until it receives the pilot tone from the matching trans mitter...

Page 8: ...See Operating Instructions Power Switch Function Selec tion These functions are illustrated in the chart below Power Switch Position Function ON OFF Normal or Applies Power Turns Unit Off Power Mode...

Page 9: ...and the switch is configured for Audio Mute Mode 10 and 20 LEDs operate normally to indicate audio level Mic Jack 330pF 330pF FB FB 100 2k 2k 30uF 6V Mic Bias To Mic Amp 2k 2 2nF Frequency Select Swit...

Page 10: ...your receiver manual to determine if this function is available Alkaline batteries provide about 1 75 hours of operation with some warning Lithium batteries can be used to provide over 6 hours of oper...

Page 11: ...tter off and leave the receiver turned on Scan across the frequency band to find a frequency where little or no RF activity is dis played Set both the transmitter and the receiver to this new frequenc...

Page 12: ...he O ring and allow moisture to enter the unit 3 Mute the main sound system and rotate the Audio Level Control on the MM400C to maximum counter clockwise Off 4 Set the Power ON OFF switch to the ON po...

Page 13: ...If the PWR LED glows and the 10 Modulation LED blinks green the Power Switch is in Audio Mute Mode If the LEDs extinguish the Power Switch is in Normal or Power Mode Changing Power Switch Function 1...

Page 14: ...ething metallic as illustrated in the example use extreme caution not to scratch the finish Breaching the finish may cause corrosion of the metal housing 2 Notice that the Magnet Housing Assembly Slot...

Page 15: ...ule If this is not pos sible or if you are still having problems capacitors can be installed on the mic wires inside the TA5F connector housing Install the capacitors as follows Use 330 pF capaci tors...

Page 16: ...lock range is labeled on the ouside housing for each indi vidual transmitter FREQUENCY CAP ANTENNA BLOCK RANGE COLOR WHIP LENGTH 470 470 100 495 600 Black 5 37 19 486 400 511 900 Black 5 16 20 512 000...

Page 17: ...ty mode mismatched 5 Transmitter audio muted 1 Transmitter gain audio level is far too high Check Modulation LEDs on transmitter and receiver as it is being used See Operating Instructions Attaching a...

Page 18: ...This device should be installed and operated so that its antenna s are not co located or operating in conjunction with any other antenna or transmitter Emission Designator 180KF3E Specifications subje...

Page 19: ...of warranty repairs Returning Units for Repair For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email or by phone We...

Page 20: ...sonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from...