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  5. Operating Instructions Manual

Lectrosonics MM200 Operating Instructions Manual

Manual is about: FREQUENCY-AGILE UHF MINIATURE BELT-PACK TRANSMITTER

Summary of MM200

  • Page 1

    Mm200/mm400 frequency-agile uhf miniature belt-pack transmitter lectrosonics, inc. Rio rancho, nm www.Lectrosonics.Com operating instructions and trouble-shooting guide.

  • Page 2

    2 the mm400 transmitter is fcc type accepted under part 74: 536-608 mhz and 614-806 mhz warning! To prevent internal corrosion! If the transmitter is wet (either due to immersion or high levels of perspiration), before opening any covers or connectors, carefully blot the transmitter dry with a clean...

  • Page 3: Introduction

    3 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa introduction thank you for selecting the lectrosonics mm400 frequency agile uhf miniature transmitter. The mm400 combines over 80 years of engineering experience with the very latest components, in a design that addresses the...

  • Page 4

    4 mm400 block diagram digital hybrid technology all wireless links suffer from channel noise to some degree, and all wireless microphone systems seek to minimize the impact of that noise on the desired signal. Conventional analog systems use compandors for enhanced dynamic range, at the cost of subt...

  • Page 5

    5 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa there are actually two separate compandors in the 200 system, one for high frequencies and one for low frequencies. A crossover network separates the frequency bands at 1khz with a 6db per octave slope, followed by separate h...

  • Page 6: Controls and Functions

    6 controls and functions mic jack the microplug (2.5 mm) input on the transmitter accommodates 2 wire positive bias lavalieres. A waterproof mic connector is available from lectrosonics as an assembly kit. A switchcraft 850 connector can be used in an emer- gency though it is not waterproof. See the...

  • Page 7

    7 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa modulation leds indicate the proper setting of the mic level control. There are two bicolor modulation leds that can light either red or green. “-20db level” one modulation led glows green and the transmitter is 20 db below f...

  • Page 8: Battery Installation

    8 battery installation the transmitter is powered by a standard lithium, nimh or alkaline aa 1.5 volt battery. Standard zinc-carbon batteries marked “heavy-duty” or “long-lasting” will not work. Nimh rechargeable batteries will only provide 2 hours of operation but will run down quite abruptly. Alka...

  • Page 9: Microphone Rf Bypassing

    9 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa adjusting the transmitter frequency if you are experiencing interference from another signal on your frequency, you may want to change the operating frequency of your system. The left switch changes the operating frequency by...

  • Page 10: Troubleshooting

    10 troubleshooting before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. Symptom possible cause transmitter battery led off 1) battery is inserted backwards. 2) battery is dead. No transm...

  • Page 11: Specifications And Features

    11 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa specifications and features operating frequencies: 537.600 to 607.900 mhz 614.100 to 793.500 mhz frequency selection: 256 frequencies in 100khz steps rf power output: 100 mw (nominal) pilot tone: 25 to 32 khz (32.765 khz on ...

  • Page 12: Service And Repair

    12 service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating instructions. Check out the intercon- necting cords and then go through the trouble...

  • Page 13

    13 frequency agile uhf miniature belt-pack transmitter rio rancho, nm – usa this page intentionally blank..

  • Page 14: Limited One Year Warranty

    Limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping. This warr...