Summary of the content on the page No. 1
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MC 724 - 90 CHANNEL
MARINE RADIOTELEPHONE
OWNER'S MANUAL
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Summary of the content on the page No. 2
, ~ - --.------ UNIDEN MC 724 The UNIDEN MC 724 VHF marine radio transceiver has been designed to give you a :-ugged 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 characteristics and operation of your transceiver so that you can contribute to the :ongevity of your investment. \'Vith proper care and maintenance, your UNIDEN MC 724 will outlast your present vessel and serve you well on b
Summary of the content on the page No. 3
..... ---.--- . INSTAllATION ., CAUTION: The MC 724 will operate only with a nominal 12 volt neg.ative ground battery system. CHOOSING A LOCATION -.t 1. Select a location that is free from spray and splash. 2. Select a location that minimizes exposure to direct sunlight (including that com- ing through windows). . 3. Select a location that allows free air flow around the heat sink on the rear of the radio. 4. Select a location well away from the ship's compass. Auxiliary speakers also should be
Summary of the content on the page No. 4
"' '-.= ~---= 3. The front panel can be fully reversed to provide for optimum viewing area, operat- ing for any mounting position. (See page 7 ). 4. The EXTERNAL speaker jack may be used with an auxiliary speaker in lieu of the built-in speaker. 5. All connections are "plug-in" type for easy removal of the radio. ACTUAL INSTAllATION After carefully considering the various factors affecting choice of location, position the radio (with bracket, microphone, power plug, antenna plug and any auxiliar
Summary of the content on the page No. 5
-==== , 3. HAIL CONNECTOR--The speaker used for the hail function is plugged into this jack. The speaker may be either four or eight ohms impedance and should be suitable for the environment in which it is located. The plug must be a miniature phone plug. 4. DC POWER CONNECTOR--Battery connections are to be made with the cable supplied to mate with this connector. Remember, red is +, black is -! The power cord is equipped with a fuse to protect the radio. Use only a six (6) AMPERE fast blow fuse
Summary of the content on the page No. 6
- - r 5. KEYBOARD CHANNEL SEL:ECTOR--Selects the desired channel. lCD display shows CH-1 through CH-88. For channels 1 through 9, first you must depress "0" , then the desired channel number. If you attempt to enter channels 29, 75, 76 or 89, the letter "E" will flash in the LCD display. To continue normal use of the radio, make a proper channel selection. 6. HAilER/INTERCOM PUSHBUTTON--Disables the transmitter and allows use of an optional hailer speaker or intercom speaker (both sold separatel
Summary of the content on the page No. 7
will be scanned for activity at the rate of about 9 channels per second. When conversation is found, the scanner stops ar1d the message is received - then scanning is resumed. Note that if "SCAN" is pushed and no channels are in memory, "0" is shown in the LCD display to indicate that condition. The "DELETE" key is used to reverse the process. Channels in the memory can be removed by pushing "DELETE." When a channel is deleted, the next numerical channel that is in the memory is displayed. If th
Summary of the content on the page No. 8
- ~ -. .. -. r REVERSING THE FRONT PANEL . (5) TURNUNITOVERANDCAREFULLY REMOVE COVER CABINET. PULL UP FROM REAR FIRST. (1) LOOSEN FOUR SCREWS OF APPEARANCE COVER (PLASTIC COVER) (4) DISCONNECT SPEAKER WIRES FROM MAIN PCB (7) TI LT FRONT PANEL. (8) REPLACE FOUR SCREWS TO SECURE FRONT PANEL TO CHASSIS. (3) REMOVE SPEAKER CABINET I 121REMOVE FOUR SCREWS , FROM SPEAKER CABINET i (9) CAREFULLY REPLACE COVER CABINET ON BOTTOM OF RADIO. INSERT UNDER FRONT PANEL FIRST AND THEN LOWER AT REAR OF RADIO. (1
Summary of the content on the page No. 9
~..- .--.-.- SPECIFICATIONS GENERAL Channels : Transmit-55, ~eceive-90 Frequency Control Method : PlL synehtsizer and microprocessor Antenna Impedance : 50 ohms, nominal : 2.85 inch, 8 ohms Speaker (Internal) Microphone : Rugged 600 ohm dynamic element with coiled cord and plug-in connector Channel Display : LCD alpha numeric readout. : Type approval under Australia Department of Communications DOC Approvals : :to.0005% Frequency Stability : -200 C to +500 C Operating Temperature Range Shock and
Summary of the content on the page No. 10
... --- ( VHF FM MARINE RADIOTELEPHONE CHANNELS AND FUNCTIONS (INTERNATIONAL CHANNEL) FREQUENCY(MHz) CHANNEL TYPE SHIP SHIP PERMANENT DESIG SHIP SHORE TRAFFIC TO SHIP TO SHORE SCAN LIST ----- - WX1 162.550 NOAA Weather Weather RX Only RX Only - WX2 162.400 NOAA Weather RX Only RX Only Weather - WX3 162.475 NOAA Weather RX Only RX Only Weather WX4 - 162.425 Weather NOAAWeather RX Only RX Only - WX5 162.450 NOAA Weather RX Only Weather RX Only -- WX6 162.500 NOAA Weather RX Only RX Only Weather -
Summary of the content on the page No. 11
--- -- CARE AND MAINTENANCE Your MC 724 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 .im- mediately wipe it down with a soft cloth dampened with fresh water. If the antenna has been damaged, you should not transmit except in the case of emergency. A defective antenna may caus
Summary of the content on the page No. 12
- -~ r r )£. uniden@ 12 MONTHS FULL WARRANTY WARRANTOR. SANTRONIC AGENCIES PTY. LTD. 13 Garema Circuit, Kingsgrove MSW 2208 ("SANTRONIC"I. ELEMENTS OF WARRANTY. SANTRONIC warrants, for the duration of this warranty, its UNIDEN Marine Prpduct 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 One (1) year after the date of original purchase of the Product or at th