Lectrosonics UCR195D Operating Instructions And Troubleshooting Manual

Summary of UCR195D

  • Page 1

    Ucr 195d diversity uhf receiver operating instructions and troubleshooting guide lectrosonics, inc. Rio rancho, nm.

  • Page 3: Table of Contents

    Table of contents introduction to the 195 system ................................................. 4 general technical description ucr195 receiver ............................................................................ 6 front panel controls and functions .................................... 8 ...

  • Page 4

    Introduction to the 195 system the 195 series system was designed for the most critical studio and sound reinforcement applications. The system design represents a significant step forward in wireless microphone technology. Every stage in the entire audio/radio chain from transmitter input to re­ ce...

  • Page 5

    Diversity uhf receiver no pre-emphasis/de-emphasis the signal to noise ratio of the 195 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- emphasis in an fm radio system usually p...

  • Page 6: Ucr195 Receiver

    General technical description ucr195 receiver the ucr195d is a high performance, dual-conversion, uhf receiver. The rf performance is extremely stable over a very wide temperature range, making the ucr195d perfectly suited to the rough environmental conditions found in the field. The proprietary aud...

  • Page 7

    Diversity uhf receiver digital pulse counting detector the ucr195d receiver uses an advanced digital pulse counting detector to demodulate the fm signal, rather than a conventional quadrature detector. The most common problem with quadrature detectors is thermal drift, particularly those that operat...

  • Page 8

    Front panel controls and functions pwr led power switch when lit, this led indicates that power is applied to the ucr195d and adequate voltage is present to operate the unit. Pilot led the audio output muting (squelch) function of the ucr195d is controlled by a 32khz tone modulation of the rf carrie...

  • Page 9

    Diversity uhf receiver rear panel controls and functions external power jack the ucr195d can be powered from external 12 to 18 volts dc applied directly to this jack, or conventional 110 vac sources via the supplied ch12 adapter. The ucr195d is protected from reverse polarity conditions which preven...

  • Page 10: Antenna Use And Placement

    Antenna use and placement position the antennas so that they are more than 3 or 4 feet from large metal surfaces. If this is not possible, try to position them so they are as far away from the metal surface as is practical. You can also let the metal surface work for you by aligning the antenna perp...

  • Page 11: Operating Instructions

    Diversity uhf receiver operating instructions 1. Connect the power cord or install the batteries. 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 either int or ext, depend­ ing upon t...

  • Page 12: Troubleshooting

    Troubleshooting power supply and fuse leds not lit or dimly lit • ac power cord disconnected. • 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. Th...

  • Page 13: Service And Repair

    Diversity uhf receiver service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equip­ ment needs repair. Make sure you have followed the setup procedure and operating instructions. Check out the inter-connecting cords and then g...

  • Page 14: Specifications And Features

    Specifications and features receiver operating frequencies: receiver type: diversity method: frequency stability: front end selectivity: if selectivity: if frequency: if bandwidth: sensitivity 20 db sinad: 60 db quieting: squelch quieting: am rejection: modulation acceptance: image and spurious reje...

  • Page 15

    –.

  • Page 16: 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...