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Lectrosonics UCR300 Operating Instructions Manual

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UCR300
DIVERSITY UHF RECEIVER
OPERATING INSTRUCTIONS
and trouble-shooting guide
LECTROSONICS, INC.
www.lectrosonics.com
0885

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Summary of Contents for Lectrosonics UCR300

  • Page 1 UCR300 DIVERSITY UHF RECEIVER OPERATING INSTRUCTIONS and trouble-shooting guide LECTROSONICS, INC. www.lectrosonics.com 0885...

  • Page 2: Table Of Contents

    FRONT PANEL CONTROLS AND FUNCTIONS ......6 REAR PANEL CONTROLS AND FUNCTIONS ......7 ANTENNA USE AND PLACEMENT ..........8 INSTALLATION AND OPERATING INSTRUCTIONS....9 UCR300 REPLACEMENT PARTS and ACCESSORIES....9 FREQUENCY BLOCKS AND RANGES ........10 TROUBLESHOOTING ..............11 SPECIFICATIONS AND FEATURES ..........12 SERVICE AND REPAIR ..........

  • Page 3: General Technical Description

    Frequency agility is not the universal panacea for interference the UCR300 perfectly suited to the rough environmental condi­ problems. It is only another tool and a limited tool at that. The tions found in the field.

  • Page 4: General Technical Description

    SURFACE ACOUSTIC WAVE FILTER TRI MODE DYNAMIC FILTER The UCR300 is unique in that it uses state of the art SAW filters in The audio signal is passed through a “dynamic noise reduction each IF section. The SAW filters are the only filter that can circuit”.

  • Page 5: General Technical Description

    +8dBu with no front panel control. POWER SUPPLY The UCR300 may be operated from an external 10 to 16.5 VDC source. The power supply has a built in Poly-Fuse to protect the unit. This fuse resets by simply disconnecting the power supply for about 15 seconds.

  • Page 6: Front Panel Controls And Functions

    LED will glow red. At turn on and off there is a delay built into the receiver to allow various stages to stabilize before the audio When lit, this LED indicates that power is applied to the UCR300 output is activated. This will prevent an audio “thump” when and adequate voltage is present to operate the unit.

  • Page 7: Rear Panel Controls And Functions

    REAR PANEL CONTROLS AND FUNCTIONS DC IN JACK MONITOR The UCR300 can be powered from external 10 to 16.5 Volts DC This is an audio output to drive a wide variety of different types applied directly to this jack, or conventional 220 VAC sources of headphones.

  • Page 8: Antenna Use And Placement

    This may alleviate the drop-out problem on that panel of the UCR300 receiver, and the other one mounted antenna. If drop-outs are still a problem, try moving the an­...

  • Page 9: Installation And Operating Instructions

    If the output is too low, you may hear steady noise (hiss) along with the audio. The UCR300 audio output is designed to drive any audio input device from microphone level to +8dBm line level.

  • Page 10: Frequency Blocks And Ranges

    +/- 50 MHz from the center frequency, so it is acceptable to use an antenna from an adjacent block above or below the operating Each UCR300 receiver is built to cover a pre-selected range of frequency. frequencies (a “block”) as shown below. The receiver will tune to any of 256 different frequencies within this factory assigned block.

  • Page 11: Troubleshooting

    Try increasing the output level of the UCR300 on, the audio is enabled. When the lamp is off, the audio is muted. and lowering the input gain on the device the UCR300 is PILOT lamp on, but no sound feeding.

  • Page 12: Specifications And Features

    SPECIFICATIONS AND FEATURES Operating Frequencies: 537.600 to 862.000 MHz Frequency Adjustment Range: 25.5 MHz max Receiver Type: Dual conversion, superheterodyne, 71MHz and 455kHz Frequency Stability: ±0.002 % Front end selectivity: >22 dB at ±4 MHz Sensitivity 20 dB Sinad: 0.8 uV (-109 dBm), A weighted (-107 dBm @ 768.0 MHz and above) 60 dB Quieting: 1.0 uV (-107 dBm), A weighted (-105 dBm @ 768.0 MHz and above) Squelch quieting:...
  • Page 13 This product meets the CE Compliance Standards - ETS 300 445; January 1996. A copy of the Declaration of Conformity may be requested from your dealer or by contacting the factory directly: Lectrosonics, Inc. Marketing Department 581 Laser Rd. NE, Rio Rancho, NM...

  • Page 14: Service And Repair

    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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