Lectrosonics UCR300 Operating Instructions Manual

Summary of UCR300

  • Page 1

    Ucr300 diversity uhf receiver operating instructions and trouble-shooting guide lectrosonics, inc. Www.Lectrosonics.Com 0885.

  • Page 2: Table of Contents

    Table of contents general technical description ........................................ 3 service and repair .................................................. Back cover warranty .................................................................... Back cover general technical description ............

  • Page 3

    Uhf wireless diversity receiver general technical description the ucr300 is a portable, high performance, dual-conversion, frequency synthesized, uhf receiver. The rf performance is extremely stable over a very wide temperature range, making the ucr300 perfectly suited to the rough environmental con...

  • Page 4

    General technical description double balanced diode mixers in all wireless receivers, a mixer is used to convert the carrier frequency to the if frequency where most of the filtering and gain in the receiver takes place. After doing all the right things in the front end, it would be a shame to waste...

  • Page 5

    Uhf wireless diversity receiver general technical description the mute circuit drives a relay which physically disconnects the output amplifier from the output. This provides complete muting of the audio and the noise. The pilot tone function may be bypassed with the pilot tone disable switch (locat...

  • Page 6

    Front panel controls and functions power led when lit, this led indicates that power is applied to the ucr300 and adequate voltage is present to operate the unit. Pilot led the audio output muting (squelch) function of the ucr300 is controlled by a 32khz tone modulation of the rf carrier. The audio ...

  • Page 7

    Uhf wireless diversity receiver rear panel controls and functions dc in jack the ucr300 can be powered from external 10 to 16.5 volts dc applied directly to this jack, or conventional 220 vac sources via the supplied ch20 adapter. The ucr300 is protected from reverse polarity conditions which preven...

  • Page 8: Antenna Use and Placement

    Antenna use and placement there are two antenna assemblies included with this receiver. Position the antennas at least three or four feet apart and so that they are not within 3 or 4 feet of large metal surfaces. If this is not possible, try to position the antennas so that they are as far away from...

  • Page 9

    Uhf wireless diversity receiver installation and operating instructions 1. Connect the power cord. 2. Attach the antennas. 3. Connect the audio cable to the audio output xlr. 4. Set the front panel audio output level control to minimum and set the power switch to on (right position.) check to see th...

  • Page 10: Frequency Blocks and Ranges

    Frequency blocks and ranges the table below lists the factory designated frequency ranges available for the ucr300 receiver. For convenience, the table includes information about the um300b belt-pack transmitter antennas as well. Each ucr300 receiver is built to cover a pre-selected range of frequen...

  • Page 11: Troubleshooting

    Uhf wireless diversity receiver troubleshooting power supply and fuse leds not lit or dimly lit • external power supply disconnected or inadequate. • main power supply fuse tripped. Turn the receiver off, remove the cause of the overload and turn the receiver back on. • wrong polarity power source. ...

  • Page 12: Specifications and Features

    Specifications and features operating frequencies: frequency adjustment range: receiver type: frequency stability: front end selectivity: sensitivity 20 db sinad: 60 db quieting: squelch quieting: am rejection: modulation acceptance: image and spurious rejection: third order intercept: diversity met...

  • Page 13

    Uhf wireless diversity receiver 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 87124 ...

  • Page 14: 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 warranty does not apply to use...