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MC 480
MARINE RADIOTELEPHONE
OWNERS MANUAL
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-- -.__. / '-'~'~=-'~'-,. UNIDEN MC480 The UNIDEN MC480 VHF marine radio transceiver has been designed to give you a rugged reliable instrument that will provide you with years of trouble-free service. You are encouraged to thoroughly read this manual to acquaint yourself with the characteristic and operation of your transceiver so that you can contribute to the longevity of your investment. With proper care and maintenance, your UNI DEN MC480 will outlast your present vessel and serve you well
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- = -= -,~ SPECIFICATIONS GENERAL Channels : Transmit 55 Receive 55 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 ::\:0.0005% Frequency Stability: Operating Tempera- 0 0 ture Range : -20 C to +50 C Shock and Vibration: Meets or exceeds EIA
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--- --,~ -_. Hum and Noise Attenuation : 45 dB 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 -114 dBm for 20 dB quieting Threshold Squelch Sensitivity : 0.20 J.1V(ElA method) Tight Squelch Sensitivity : 2 J.1V(ElA method) Spurious Response Attenuation : 75 dB Image Respo
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~- ~ :: I"'..."... :::::::::=,~-: ' '._-1- INSTAllATION CAUTION: The MC480 will operate only with nominal 12 volt negative ground battery systems. It is important to carefully determine the most suitable location for your MC480 on your vessel. Electrical, mechanical, and environmental considerations must all be taken into account. 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 you
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,. ! ===: -== - r--.. REVERSING THE FRONT PANEL (2) TURN UNIT OVER AND CAREFULLY REMOVE COVER CABINET PULL UP FROM REAR FIRST. (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. (9) TURN RADIO OVER AND RECONNECT SPEAKER
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.-...-.-...------- .-'-- ".-.---. J-..- -") Some of the more important external factors to consider in selecting the location of your MC480 are: 1. Select a location that is free from spray and splash. 2. Keep the battery leads as short as possible. Connection directly to the battery is most desirable. If direct connection cannot be made with the supplied power lead, any extension should be made with #10 AWG wire. Long extensions should use larger wire. 3. Keep the antenna lead as short as possi
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-~ --'-"" ,~~".- 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 noise. However, in some installations it may be necessary to take measures to further reduce the effect of noise interference. All DC battery wires, antenna lead, and accessory cables should be routed away from the engine and engine compartm
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H""" ".~.~._.__.- ~ ~ I~ --""">~~ -;:;.~. 5. 1W/25W SELECTOR. . . controls transmitter output power. The 1W(watt) position should always be used for in-port or short range communications. 6. CH16 SELECTOR... provides instant CH16 by overriding Rotary Channel selector. LED indicator will light indicating unit is on Channel 16. 7. LED NUMERICAL CHANNEL INDICATOR.. . indicates channel in use. 8. TRANSMIT/RECEIVE LED INDICATOR... indicates whether transmit or receive mode is in use. (Red for transmi
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~ ~ ..... Ii: VHF FM MARINE RADIOTELEPHONE CHANNELS AND FUNCTIONS (INTERNATIONAL CHANNEL) SHIP PERMANENT CHANNEL FREOUENCY(MHz) TYPE SHIP TO SHIP TO SHORE SCAN LIST TRAFFIC I I DESIG SHIP SHORE Yes P1 157.375 157.375 Non Corn'! Yes Yes Yes 02 156.100 160.700 Port Ops Yes Yes 03 156.150 160.750 Port Ops Yes Yes 04 156.200 160.800 Port Ops 05 156.250 160.850 Yes Yes VTS Yes No 06 156.300 156.300 S~fety 07 156.350 160.950 Com'l Yes Yes No 08 156.400 156.400 Com'l Yes Yes Fish 09 156.450 156.450 Com
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- ~-_. c,., '., -' "'" ~ ,= ,,~~==> ~..- ~ CARE AND MAINTENANCE 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 subjected to spray or splash you should immediately wipe it down with a soft cloth dampened with fresh water. If the antenna has been damaged, you should not transmit except in case of emergency. A
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'-, " .. ,... )(M uniden@ 12 MONTHS FULL WARRANTY WARRANTOR. SANTRONIC AGENCIES PTY. LTD. 13 Garema Circuit, Kingsgrove MSW 2208 ("SANTRONIC"). ELEMENTS OF WARRANTY. SANTRONIC warrants, for the duration of this warranty, its UNIDEN Marine Product to be free from defects in materials and craftsmanship with only the limitation or exclusions set out below. WARRANTY DURATION. This Warranty shall terminate and be of no further effect On e (1) years after the date of original purchase of the Product o
