Lectrosonics UM 200C Operating Instructions Manual

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

Summary of UM 200C

  • Page 1

    Um200c frequency-agile uhf belt-pack transmitter lectrosonics, inc. Rio rancho, nm www.Lectrosonics.Com operating instructions.

  • Page 2

    2 um200c lectrosonics, inc. Table of contents the um200c transmitter is fcc type accepted under part 74: 470-608mhz and 614-802mhz introduction .................................................................................................. 3 general technical description ............................

  • Page 3: Introduction

    3 frequency agile uhf belt-pack transmitter rio rancho, nm – usa introduction thank you for selecting the lectrosonics um200c frequency agile, belt-pack trans- mitter. The um200c combines over 80 years of engineering experience with the very latest components, in a design that addresses the most dem...

  • Page 4

    4 um200c lectrosonics, inc. General technical description the um200c transmitters are comprised of a number of functional sub-systems as shown in the block diagram below. General the 200 system uses 75khz wide deviation for an extremely high signal to noise ratio. The transmitter circuits are all re...

  • Page 5

    5 frequency agile uhf belt-pack transmitter rio rancho, nm – usa no pre-emphasis/de-emphasis the signal to noise ratio of the 200 system is high enough to preclude the need for conventional pre-emphasis (hf boost) in the transmitter and de-emphasis (hf roll off) in the receiver. Pre-emphasis and de-...

  • Page 6: Controls and Functions

    6 um200c lectrosonics, inc. Controls and functions input jack the input on the um200c accommodates virtually every lavalier, hand-held or shotgun microphone available. Line level signals can also be accommodated. Use a switchcraft ta5f connector on the cord. See the separate sheet titled “transmitte...

  • Page 7

    7 frequency agile uhf belt-pack transmitter rio rancho, nm – usa since the internal circuits are all tightly regulated and the rf output stage has a separate discrete regulator, the transmitter will continue to operate to a battery voltage of 6.5 volts. From 6.5 volts to 6 volts, the transmitter wil...

  • Page 8: Battery Installation

    8 um200c lectrosonics, inc. Battery installation the transmitter is powered by a standard alkaline or lithium 9 volt battery. It is important that you use only an alkaline or lithium battery for longest life. Standard zinc-carbon batteries marked “heavy-duty” or “long- lasting” are not adequate. Ni-...

  • Page 9: Operating Notes

    9 frequency agile uhf belt-pack transmitter rio rancho, nm – usa 7) while speaking or singing at the same voice level that will actually be used, observe the modulation leds. Adjust the audio level control knob until the leds begin to light. Start at a low setting where neither led lights as you spe...

  • Page 10: Microphone Cord Termination

    10 um200c lectrosonics, inc. Microphone cord termination 1 2 3 4 5 view from solder side of pins 0.3" 0.15" heatshrink tubing ta5f connector assembly mic cord stripping instructions caution! Do not allow the shield wire to touch any metal part of the connector shell. The shield wire is the antenna o...

  • Page 11: 5-Pin Input Jack Wiring

    11 frequency agile uhf belt-pack transmitter rio rancho, nm – usa 5-pin input jack wiring the wiring diagrams shown on the next page represent the basic wiring necessary for the most common types of microphones and other audio inputs. Some microphones may require extra jumpers or a slight variation ...

  • Page 12

    12 um200c lectrosonics, inc. Rf bypassing some mics require rf protection to keep the radio signal from affecting the capsule, even though the transmitter input circuitry is already rf bypassed (see schematic diagram). If the mic is wired as directed, and you are having difficulty with squealing, hi...

  • Page 13: Troubleshooting

    13 frequency agile uhf belt-pack transmitter rio rancho, nm – usa 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 ...

  • Page 14: Specifications and Features

    14 um200c lectrosonics, inc. Specifications and features operating frequencies: 537.600 to 607.900 mhz 614.100 to 767.900 mhz frequency selection: 256 frequencies in 100khz steps rf power output: 100 mw (nominal) pilot tone: 32.764 khz (± 2hz); 5khz deviation frequency stability: ± 0.002% deviation:...

  • Page 15: Service and Repair

    15 frequency agile uhf belt-pack transmitter rio rancho, nm – usa 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 ...

  • Page 16: 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...