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U.S. Coast Guard

Channel:

Vessels:

Any

Use:

Working channel for
exchange of communica-
tions with stations of the
U.S. Coast Guard.

Between:

Ship to U.S. Coast Guard
ship, coast to aircraft
stations

Comments:

U.S. Coast Guard does not
regularly monitor this
channel. Establish contact
on channel 16 and shift to
channel 22 as directed.

Navigation

Channels:

Vessels:

Any

Use:

Safety Communications
pertaining to the maneu-
vering of vessels or the
directing of vessel
movements

Ship-to ship and secondarily ship-to-coast

This is commonly called the Bridge-to-
Bridge channel. Large vessels and
towboats depend on this channel for their
safe navigation. Railway or highway
bridges which open for ship navigation
often operate on this channel.

Bridge-to-Bridge stations must reduce
power to one watt for routine operations.

Содержание Ray48

Страница 1: ...Ray48 VHF Radio Owner s Handbook Document number 81233 2 Date February 2004...

Страница 2: ...ER HANDLING OR USE IT IS THE USER S RESPONSIBILITY TO EXERCISE COMMON PRUDENCE AND NAVIGATIONAL JUDGEMENT AND THIS DEVICE SHOULD NOT BE RELIED UPON AS A SUBSTITUTE FOR SUCH PRUDENCE AND JUDGEMENT Raym...

Страница 3: ...2 4 ELECTRICAL CONNECTIONS 5 2 4 1 DC Power and External Speaker Connections 5 2 4 2 External Speaker Connections 6 2 4 3 Antenna Connections 7 2 4 4 Antenna Mounting Suggestions 7 2 4 5 Grounding 7 S...

Страница 4: ...4 SPECIFICATIONS 16 4 4 1 Transmitter 16 4 4 2 Receiver 16 4 4 3 Operating Requirement 17 4 4 4 Radio Dimensions 17 4 5 BLOCK DIAGRAM 18 4 6 Ray48 ASSEMBLY DRAWING 19 SECTION 5 MAINTENANCE 5 1 GENERAL...

Страница 5: ...nal Telecommunication Union Weather Channels Channels for routine and emergency weather information broadcast by NOAA NOAA National Oceanographic and Atmospheric Administration RTCM Radio Technical Co...

Страница 6: ...2 EQUIPMENT FEATURES The Ray48 is designed and manufactured to provide ease of operation with excellent reliability The important built in features of the equipment are listed below Submersible to IP...

Страница 7: ...Mounting Yoke for White Radio R49101 2 2 1 Optional Accessories Description Part No Flush Mount Kit E46034 2 3 PLANNING THE INSTALLATION When planning the installation for your Ray48 the following con...

Страница 8: ...nnections and make sure to solder all in line connectors or splices 2 3 1 Typical Mounting Methods The Ray48 can be conveniently mounted on a chart table bulkhead overhead or any other desired locatio...

Страница 9: ...4 Fig 2 2 OUTLINE AND MOUNTING DIMENSIONS All dimensions are shown in inches and millimeters 120 4 72 85 3 03 110 4 33 160 6 29 151 5 94 195 7 66 19 0 74...

Страница 10: ...Connections The power cable comes with external speaker attachments The power external speaker cable provided is 6 feet long and plugs into the 4 pin connector cable at the rear panel of the radio Th...

Страница 11: ...use located in the RED conductor will open Check the input power leads for correct polarity with a VOM reconnect the leads observing correct polarity and replace the fuse Be sure to use the same rate...

Страница 12: ...na and good location Mounting the VHF antenna properly is very important because it will directly affect the performance of your VHF radio A VHF antenna designed for marine vessels should be used Sinc...

Страница 13: ...uthorized stations for specific purposes depending on the type of vessel commercial or noncommercial Refer to Table 6 1 This table lists all of the marine VHF channels available in your Ray48 for US a...

Страница 14: ...International channel sets INT appears on the display in International mode 6 MON 1 25 Key When pressed once the radio enters the MONITOR mode and MON is displayed on the LCD In this mode the radio wi...

Страница 15: ...splayed when the channel selected to be monitored is a weather channel 5 MON Monitor Will be displayed when the MON INT key is pressed This indicates the radio is in the MONITOR mode 6 INT Internation...

Страница 16: ...d NOTE Channels 13 and 67 are restricted to 1 Watt operation but may be overridden in emergencies To obtain 25 Watt output on these channels while in transmit mode pressing the PTT switch press and ho...

Страница 17: ...nels The stored channels will be scanned during Memory Scan mode 1 Channel Memory To put a channel into memory select the channel to be stored with the Up or Down arrows Push and hold the SCAN key for...

Страница 18: ...fic Refer to section 3 3 for instruction on channel section 1 Press WX INT then scroll to the desired weather channel with the arrow keys 2 Press the 16 PLUS key to exit the weather band and return to...

Страница 19: ...gram of the TX RX PLL circuits 4 3 1 PLL Phase Lock Loop Circuit The PLL circuit is the frequency synthesizer in the Ray48 The reference frequency of 12 8 MHz is provided by crystal XTL1 and IC3 IC3 c...

Страница 20: ...stal filter 21 6 MHz and first IF amplifier Q20 mixed by IC4 the second mixer and becomes an audio signal after detection 2 IF Circuit The output of the first IF amplifier Q20 is fed into IC4 IC4 cont...

Страница 21: ...n 10 at 1 KHz for 3 KHz deviation Spurious harmonic Emissions Attenuated at least 43 10 log Po below rated radiated carrier power per FCC Rules Parts 2 80 Antenna Impedance 50 Ohms Transmitter Protect...

Страница 22: ...equired Transmit Less than 5 8 amp at 25 Watts Less than 1 5 amp at 1 Watt Operating Temperature 20 C to 50 C Duty Cycle Continuous 80 receive 20 transmit max 10 min 25 C Humidity 100 at 50 C for 8 ho...

Страница 23: ...3 6V DC13 6V Y Z Q23 DTC114EK 25W ADJ 1W ADT Q2 1SS345 Q7 2SB1135 Q10 2SC4116 Q24 2SC4116 Q11 DTC114EK TXON2 IC2 2902M DEV MIC PTT UP ON UP ON Q201 2SA1292 PWR LO PTT DET IC202 93LC46X XTAL201 1 2MHE...

Страница 24: ......

Страница 25: ...VOLUME SQUELCH POT NUT 11 O RING m6 12 POWER VOLUME SQUELCH PCB ASSEMBLY 13 KEY MAIN 14 KEY CH 15 HOLDER KEY MAIN 16 HOLDER KEY CH 17 INTERNAL SPEAKER 18 HOLDER SPEAKER 19 PLATE SPRING 20 TERMINAL GRO...

Страница 26: ...20...

Страница 27: ...tems and parts are available through your authorized Raymarine dealer However if you are in need of an item not available through your retailer feel free to contact our Customer Service department Mon...

Страница 28: ...ers near you Registering your Raymarine products Accessing handbooks in Adobe Acrobat format Downloading RayTech software updates Accessing the Raymarine solution database Clicking the Find Answers li...

Страница 29: ...56 750 International Distress Safety and Calling Ships required to carry radio USCG and most coast stations maintain a listenitng watch on this channel State Control Commercial Commercial Port Operati...

Страница 30: ...cial Digital Selective Calling voice communications not allowed 68 69 70 156 425 156 475 156 525 156 325 156 375 156 425 156 475 156 525 4 Table 6 1 Continued Boaters should normally use channels list...

Страница 31: ...50 156 900 156 950 157 000 157 050 157 100 156 800 156 850 161 500 161 550 161 600 161 650 161 700 Public Correspondence Port Operations and Ship Movement Public Correspondence Port Operations and Shi...

Страница 32: ...es disabled as a precaution to avoid harmful interference to Channel 16 CAUTION Operation on channels not designated for use by your classification of craft or on International Channels within the US...

Страница 33: ...other vessels to 30 seconds If you receive no reply wait 2 minutes then try again Keep communications brief and avoid chit chat Never transmit false distress messages and never use profanity on the a...

Страница 34: ...ant a station license permitting operation of a portable ship station aboard different vessels of the United States Each application for a portable ship station license must include a showing that i T...

Страница 35: ...29 Emergency Calling Monitoring Intership Safety U S Coast Guard Navigation Port Operation Noncommercial Commercial Marine Operator State Control Environmental Weather USAGE GUIDE...

Страница 36: ...adcast Calling Channel 16 Working Channel If you wish to establish communications with another station And you know which working channel the station is monitoring Then initiate the call directly on t...

Страница 37: ...employ a second receiver so that they can monitor a working channel and channel 16 simultaneously Intership Safety Channel 6 Vessels Any Use Communicating navigational and weather warnings to other sh...

Страница 38: ...o channel 22 as directed Navigation Channels 13 Vessels Any Use Safety Communications pertaining to the maneu vering of vessels or the directing of vessel movements Ship to ship and secondarily ship t...

Страница 39: ...eaway and designated major ports Non commercial Boat Operations Channels 19 68 69 71 72 78 Vessels Recreational boats and any others not used primarily for commer cial transport Use Communications per...

Страница 40: ...ions Recreational boats are not permitted to use these channels Channel 88 not available on Great Lakes and St Lawrence Seaway Marine Operator Channels 24 25 26 27 28 84 85 86 87 88 Vessels Any Use To...

Страница 41: ...concerning the environ mental conditions in which vessels operate weather sea conditions time signals notices to mariner hazards to navigation Between One way broadcast from coast to ship stations Not...

Страница 42: ...r unfamiliar words radiotelephone users employ the international phonetic alphabet Phonetic Alphabet A ALPHA B BRAVO C CHARLIE D DELTA E ECHO F FOX TROT G GOLF H HOTEL I INDIA J JULIET K KILO L LIMA M...

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