Lectrosonics UM 200C Operating Instructions Manual Download Page 2

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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 ............................................................ 4

CONTROLS AND FUNCTIONS .......................................................................... 6

BATTERY INSTALLATION ................................................................................... 8

OPERATING INSTRUCTIONS ............................................................................ 8

OPERATING NOTES ........................................................................................... 9

ADJUSTING THE TRANSMITTER FREQUENCY .............................................. 9

MICROPHONE CORD TERMINATION ............................................................. 10

5-PIN INPUT JACK WIRING .............................................................................. 11

TROUBLESHOOTING ......................................................................................... 14

SPECIFICATIONS AND FEATURES ................................................................. 15

SERVICE AND REPAIR ...................................................................................... 16

RETURNING UNITS FOR REPAIR .................................................................... 16

WARRANTY .......................................................................................... Back cover

Summary of Contents for UM 200C

Page 1: ...UM200C FREQUENCY AGILE UHF BELT PACK TRANSMITTER LECTROSONICS INC Rio Rancho NM www lectrosonics com OPERATING INSTRUCTIONS...

Page 2: ...GENERAL TECHNICAL DESCRIPTION 4 CONTROLS AND FUNCTIONS 6 BATTERY INSTALLATION 8 OPERATING INSTRUCTIONS 8 OPERATING NOTES 9 ADJUSTING THE TRANSMITTER FREQUENCY 9 MICROPHONE CORD TERMINATION 10 5 PIN I...

Page 3: ...y roll off is user adjustable to adapt to varying acoustic environments and preferences The UM200C is a rugged machined aluminum package with a removable spring loaded belt clip The input section prov...

Page 4: ...ion will be low but high frequency transients will then be distorted The 200 system introduces an entirely new approach to solving this basic problem called dual band companding There are actually two...

Page 5: ...ctor in the receiver so that it does not influence the compandor or various gain stages The basic benefit of the pilot tone squelch system is that the receiver will remain muted until it receives the...

Page 6: ...to light the battery should be replaced The ON lamp is connected to a precision battery test circuit that continuously monitors battery voltage The LED is at full brightness with a new 9 Volt alkaline...

Page 7: ...frequency range of the transmitter It is removable via an SMA connector The SMA connector is a 50 Ohm RF port which can also be connected directly to test equipment Replacement antennas are available...

Page 8: ...ction of the arrow as shown in the drawing Only firm sliding pressure is needed to open and close the battery door Swing the door open and take note of the polarity marked inside showing the location...

Page 9: ...full deviation The 0 LED turns on at full deviation and indicates that the input shunt compressor is operating The input limiter will handle peaks over 30dB above full modulation regardless of the gai...

Page 10: ...tripping Instructions Caution Do not allow the shield wire to touch any metal part of the connector shell The shield wire is the antenna on VHF models and poor operating range will result Shield Wire...

Page 11: ...cessary to install a chip capacitor in the mic capsule or connector to block the RF from entering the electret capsule This modification is shown on the next page FB 10k 1k 5 100 4 3 2 1 5V Mic Bias T...

Page 12: ...ormal hookup for line level signals is Signal Hot to pin 5 Signal Gnd to pin 1 pin 4 jumped to pin 1 and pin 3 jumped to pin 1 This gives a 40dB attenuator that allows signal levels much higher than 3...

Page 13: ...1 Receiver output level set too low 2 Receiver output is disconnected cable is defective or mis wired 3 Sound system or recorder input is turned down DISTORTED SOUND 1 Transmitter gain audio level is...

Page 14: ...ate modulation level 12dB below limiting and at the onset of limiting Low frequency roll off adjustment 18dB octave 35Hz to 150Hz Controls 2 position OFF ON slide switch for noiseless turn on turn off...

Page 15: ...there is a charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if you wi...

Page 16: ...nc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of...