Lectrosonics UH200D Operating And Troubleshooting Manual

Frequency-agile plug-on uhf transmitter

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UH200D
FREQUENCY-AGILE
PLUG-ON UHF TRANSMITTER
OPERATING INSTRUCTIONS
and trouble-shooting guide
LECTROSONICS, INC.
Rio Rancho, NM
www.lectrosonics.com

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  • Page 1 UH200D FREQUENCY-AGILE PLUG-ON UHF TRANSMITTER OPERATING INSTRUCTIONS and trouble-shooting guide LECTROSONICS, INC. Rio Rancho, NM www.lectrosonics.com...
  • Page 2: Table Of Contents

    TROUBLESHOOTING ..................7 SPECIFICATIONS AND FEATURES ..............9 SERVICE AND REPAIR ..................10 RETURNING UNITS FOR REPAIR ..............10 WARRANTY ..................Back cover The UH200D transmitter is FCC type accepted under Part 74: 470 - 608MHz and 614 - 806MHz...
  • Page 3: General Technical Description

    Frequency Agile Plug-on UHF Transmitter GENERAL TECHNICAL DESCRIPTION The UH200D transmitters are comprised of a number of func- can be produced, most noticeable at full modulation. De-empha- tional subsystems as shown in the block diagram below. sis cannot be applied until the signal is converted into audio, so there is no way around this problem short of eliminating pre- emphasis altogether.
  • Page 4: Controls And Functions

    Top View Control Panel Side View The UH200D may be used with a wide variety of microphones. phantom power off (off is the fully up position of the power The 3-pin XLR connector on the UH200D allows the transmitter switch). The phantom power should only be used with a fully...
  • Page 5 If severe noise is experienced when the microphone is moved life, as well as consistent performance versus battery life. with respect to the UH200D, the cause is an unbalanced condition between pins 2 and 3 of the microphone. MODULATION LEDS...
  • Page 6: Operating Instructions

    1. Insert the UH200D into the selected microphone. Listen for The first LED turns on 20dB below full deviation. The LIMIT LED the “click” that indicates the UH200D has locked on to the turns on at full deviation and indicates that the input shunt microphone.
  • Page 7: Troubleshooting

    Swing the door open and take note of the polarity marked inside BATTERY REPLACEMENT showing the location of the positive (+) and negative (-) terminals. The UH200D transmitter is powered by a standard alkaline 9 Volt Insert the battery and close the cover by pressing in and across, battery.
  • Page 8 SYMPTOM POSSIBLE CAUSE RECEIVER RF LAMP OFF 1. Transmitter not turned on. 2. Transmitter battery is dead. 3. Receiver antenna missing or improperly positioned. 4. Transmitter and receiver not on same frequency. Check switches/ display on transmitter and receiver. 5. Operating range is too great. NO SOUND (OR LOW SOUND LEVEL), RECEIVER MOD LEVEL LEDs ARE ON 1.
  • Page 9: Specifications And Features

    Frequency Agile Plug-on UHF Transmitter SPECIFICATIONS AND FEATURES Operating frequencies: 537.600 to 607.900 MHz 614. 1 00 to 767.900 MHz 256 frequencies in 100kHz steps Frequency selection: RF Power output: 100 mW (nominal) Pilot tone: 32.764 kHz (± 2Hz); 5kHz deviation Frequency stability: ±...
  • Page 10: Service And Repair

    LECTROSONICS’ service department is equipped and staffed to quickly repair your equipment. In warranty repairs are made at no charge in accordance with the terms of the warranty. Out of warranty repairs are charged at a modest flat rate plus parts and shipping.
  • Page 11 Frequency Agile Plug-on UHF Transmitter NOTES: Rio Rancho, NM – USA...
  • Page 12: Warranty

    This warranty does not apply to used or demonstrator equipment. Should any defect develop, Lectrosonics, Inc. will, at our option, repair or replace any defective parts without charge for either parts or labor. If Lectrosonics, Inc. cannot correct the defect in your equipment, it will be replaced at no charge with a similar new item.

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