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Uniden MC480 Owner's Manual

Marine radiotelephone
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I!n@
MC 480
MARINE RADIOTELEPHONE
OWNERS MANUAL

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  Summary of Contents for Uniden MC480

  • Page 1 I!n@ MC 480 MARINE RADIOTELEPHONE OWNERS MANUAL...
  • Page 2 You are encouraged to thoroughly characteristic and operation longevity of your investment. With proper care and maintenance, your UNI DEN MC480 will outlast your present vessel and serve you well on board several more. The full features and flexibility designed into this quality regardless of changes in craft or geographic locations.
  • Page 3: Specifications

    GENERAL Channels : Transmit Receive Frequency Control Method : PLL synthesizer Antenna Impedance: 50 ohms, nominal Speaker : 2.85 Inch, 8 ohms Microphone : Rugged 600 ohms dynamic element with coiled cord and plug-in connector LED numerical read out Channel Display DOC Approval : Type approved under Australia Department of Communica- tions...
  • Page 4 Hum and Noise : 45 dB Attenuation Audio Distortion : Less than 5% with 3 kHz deviation with 1000 Hz modulat- ing frequency Spurious -70 dB Suppression Output Transistor Protection : Built-in Output Power Stabilization : Built-in automatic level control (ALC) RECEIVER : -117 dBm for 12 dB SINAD Sensitivity...
  • Page 5: Installation

    You must select the optimum relationship among these con- siderations. Keep in mind the flexibility designed into the MC480 so that you can most con- veniently use your radio. Features which should be considered are: 1. Universal mounting bracket may be installed on either top or bottom for shelf, bulkhead, or overhead mounting.
  • Page 6 REVERSING THE FRONT PANEL (5) REMOVE TWO SCREWS HOLDING FRONT PANEL. TO CHASSIS. (6) TI LT FRONT PANEL. (7) REPLACE FOUR SCREWS TO SECURE FRONT PANEL TO CHASSIS. (4) REMOVE SPEAKER CABINET. (1) REMOVE FOUR SCREWS FROM SPEAKER CABINET. (8) CAREFULLY REPLACE COVER CABINET BUT ON BOTTOM OF RADIO INSERT UNDER FRONT PANEL FIRST AND THEN LOWER AT REAR OF RADIO.
  • Page 7 A variety of antennas are available from a number of quality suppliers. It is recommended you draw upon the advice of your UNIDEN Dealer in determining a suitable antenna for your vessel and range requirements.
  • Page 8: Engine Noise Suppression

    ENGINE NOISE SUPPRESSION Interference from the impulse noise generated by the electrical systems of engines is sometimes a problem with radios. The MC480 has been designed to be essentially impervious to ignition impulse noise and alternator installations it may be necessary to take measures to further reduce the effect of noise interference.
  • Page 9: Rear Panel Connectors

    5. 1W/25W SELECTOR. position should always be used for in-port or short range communications. 6. CH16 SELECTOR... selector. indicator will light indicating unit is on Channel 7. LED NUMERICAL CHANNEL INDICATOR.. TRANSMIT/RECEIVE receive mode is in use. (Red for 9. LOW POWER LED INDICATOR... power (1 watt).
  • Page 10 VHF FM MARINE RADIOTELEPHONE CHANNELS AND FUNCTIONS (INTERNATIONAL CHANNEL FREOUENCY(MHz) DESIG SHIP SHORE 157.375 157.375 156.100 160.700 156.150 160.750 156.200 160.800 156.250 160.850 156.300 156.300 156.350 160.950 156.400 156.400 156.450 156.450 156.500 156.500 156.550 156.550 156.600 156.600 156.650 156.650 156.700 156.700 156.750 156.750...
  • Page 11: Maintenance

    CARE AND Your MC480 is a precision piece of electronic equipment and you should treat it accordingly. Due to the rugged design, very little maintenance is required, however, a few precautions should be observed. If your radio has been accidentally immediately wipe it down with a soft cloth dampened with fresh water.
  • Page 12 TELEX AA73170 P.O. Box 12, NSW2208 Kingsgrove, BRISBANE: 3/12 RANDALL ST SLACKS CREEK, OLD 4127 PHONE 07 290 1188 1984 Uniden Corporation Garema Circuit, the duration of this defects in materials and and be of no further effect for a defect or...