Raytheon Anschuetz High Seas RAY100 User Manual 15602

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Document ID	15602
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Date Submitted	1998-12-10 00:00:00
Date Available	1998-08-26 00:00:00
Creation Date	2001-07-11 13:54:44
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FCC ID: ASLRAY100
2.983(d) (8) OPERATION MANUAL
ALIGIMBWI‘ & CIRGIIT MICE]
SEE SEXLTIQ! 4
VHF HANDHELD RADIO
OPERATION MANUAL
PURPOSE
This manual contains very important information on the installation, operation, and maintenance
of your new equipment. To get the best results in operation and performance, please take the
time to read this manual thoroughly.
*******IMPORTANT NOTICE“*****
This device is only an aid to navigation, Its performance can be affected by many factors
including equipment failure or defect, environmental conditions, and improper handling or use.
It is the user's responsibility to exercise common prudence and navigational iudgment, and this
device should not be relied upon as a substitute for such prudence and judgment.
rted by a network of authorized Service Representatives. For
Raytheon products are suppo
wing regional centers:
product information you may contact the folio
Raytheon Marine Electronics **
676 Island Pond Road
Manchester. NH 03109
Telephone: (603) 647-7530
UNITED STATES.
‘* AUTHORIZED FACTORY SERVICE and
REPLACEMENT PARTS DISTRIBUTION CENTER
........................ Raytheon Marine Europe
Anchorage Park
Portsmouth. Hampshire
P03 5TD
England
Telephone: 44- (01) 705-69-3611
EUROPE
NOTE:
with Part 15 of the FCC Rules. Operatlon is subject
Thls devlce complles
1 this device does not cause harmlul interference.
to the condltlons the
SECTION 1
1.1
1.2
SECTION 2
2.1
2.2
2.2.1
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7
2.3.8
SECTION 3
3.1
3.2
3.2.1
3.2.2
3.3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
SECTION 4
4,1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
SECTION 5
5.1
5.1.1
TABLE OF CONTENTS
GENERAL DESCRIPTION Page
INTRODUCTION ....................
EQUIPMENT FEATURES.
INSTALLATION
UNPACKING AND INSPECTION
EQUIPMENT SUPPLIED .......
Optional Accessories
ASSEMBLY ...............
AA Battery Holder.
NiCad Battery Pack.
NiCad Battery Charger...
Charging the NiCad Battery Pack...
Getting the most out of your NiCad Battery Pack
Attaching the Antenna .................
Attaching the Belt Clip and Wrist Strap.
VHF502 Dimensions .........................
OPERATIONS
INTRODUCTION ......................
CONTROLS AND LCD DISPLAY
Controls...
LCD Display... .
OPERATING PRO DURE
Turning the Power On.......
The 16 PLUS (priority) channel.
Memory Key Functions
Master Reset.
All Scan and Me
Monitor Mode (Dual Watchffri—Watch)..
VHF502 Marine Channels and Their Usag
TECHNICAL DESCRIPTION
GENERAL .......................
THE CONTROL SECTION,
THE TRANSMITTER/RECEIVER/PLL SE
PLL (Phse Lock Loop)Circui
Transmitter Circuit
Receiver Circuit..
SPECIFICATIONS
Transmitter. .
Receiver...
Operating Requirement
Radio Dimensions ...............
CTI
MAINTENANC E/ALIGNMENTS/TROUBLESHOOTING
GENERAL...
How to Con ac Raytheon.
5.2
5.3
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.4
SECTION 6
6.1
6.2
6.3
6.4
SECTION 7
7.1
PREVENTIVE MAINTENANCE... .........
ALIGNMENTS AND SERVICE. .
PLL Adjustment .........
Frequency Adiustmem.
Modulation Adjustment
Power Output Adjustmen
We'ather AIert Frequency Adjustment.
TROUBLESHOOTING GUIDE ...............
PARTS LIST AND DRAWINGS
PARTS LOCATION LIST.
ASSEMBLY DRAWING...
SCHEMATIC DIAGRAMSIPC BOARDS
INTERNAL WIRING DIAGRAM ..........
APPENDIX
VHF MARINE CHANNEL USAGE GUIDE AND
LICENSING TEQUIREMENTS ......................
GLOSSARY OF TERMS
VHF .......................................... Very High Frequency (30 MHz to 300 MHz)
FM ............................................ Frequency Modulation.
MODULATION ........ To vary a carrier wave.
CARRIER WAVE
DUAL WATCH ..... Monitors channel 16 while working on another channel.
USA CHANNELS ....................... Channel designations as defined by the FCC.
iNTEFlNATlONAL CHANNELS ....... Channel designations as defined by the International
Telecommunication Union.
....A radio frequency on which intelligence is superimposed.
CANADIAN CHANNELS...
WEATHER CHANNELS“.
.. Channel designations as defined by the Canadian Govt.
.. Channels for routine and emergency weather
information broadcast by NOAA.
SIMPLEX.. .............. Transmit and receive on the same frequency.
DUPLEX... Transmit and receive on different frequencies.
SQUELCH.. . . . . . . .- ......................... To suppress totally.
LCD ....................... .. Liquid Crystal Display.
TX ........ “Transmit.
RX.. Receive.
FIE. Radio Frequency.
CPU ............................ .. Control Processor Unit.
PLL ........... Phase Looked Loop (A type of Frequency Synthesizer).
VCO. Voltage Controlled Oscillator.
....................... Microphone Push~To-Talk switch.
SECTION 1
GENERAL DESCRIPTION
1.1 INTRODUCTION
Congratulations dn your purchase of Raytheon VHF502 handheld marine radiotelephone. The
VHF502 is a CPU-controlled, digitally synthesized, compact handheld transceiver, that provides
reliable simplex and duplex (two-frequency) communications between ships at sea and from
ships at sea to public or private shore stations. The VHF502 provides two-way communications
on all us, International, and Canadian channel Marine band frequencies, plus reception on 10
separate weather channels.
This manual describes the physical and functional characteristics of the radiotelephone.
1.2 EQUIPMENT FEATURES
The VH F502 is designed and manufactured to provide ease of operation with excellent
reliability. Some important built-in features of this radio are listed below:
- Totally submersible industrial design.
- AII solid-state circuitry for low current drain (longer battery life) and maximum reliability.
- High-performance receiver section with optimum selectivity,
- Access to all available U.S,. International, and Canadian VHF Marine band channels.
- Exclusive circuit that automatically selects 16 PLUS (priority) channel when the radio
is turned on.
- Exclusive weather alert feature (when in Monitor Mode).
- Memory channels can be programmed for Memory Scan and Memory operations.
- Selected channel number is always shown on the digital LCD display.
- Aluminum die cast.housing to prevent interference of offending RF,
- "Quick" 16 PLUS, for instant selection of the emergency calling channel CH16, or an
alternate priority channel.
Easy direct mode access to to weather channels WX 0 through WX 9.
SECTION 2
|NSTALLATION
2.1 UNPACKING AND INSPECTION
Use care when unpacking the your new VHF502 from the shipping carton to prevent damage to
the contents It is also good practice to save the carton and the interior packing materiaL The
original packing material should be used in the unlikely event it becomes necessary to return
the unit for service.
2.2 EQUIPMENT SUPPLIED
The following is a list of the standard equipment included with your VHF502.
Descrimjgn
VHF502 Radiotelgmone
Instruction Manual
Wall Chavggrt 1 OVAC
NiCad Battery Pack
Battery Charger Bracket
AA Battery Holder
Rubber Helical Antenna
Leatherette Carrying Case
Belt Clip w/Screws
Wrist Strap G624700-9
NiCad Batte Safe Messa-e 62636954
Table 2-1 Equipment Supplied
2.2.1 Optional Accessories
Description Part No.
Universal DrcMn Charger (12VDC, 11DVAC, 220 VAC) ‘_
12V Cigarette Lighter Adapter M99-134
Hih Gain Antenna 1 M56809
Leather Holster/Carrying Case M56810
Soft Car in- Case M56811
Table 2-2 Optional Accessories
These optional accessories may be ordered by calling our Customer Service Department
directly at (603) 647-7530 ext.2333 Monday through Friday 8:30 am-5:00 pm EST.
2.3 ASSEMBLY
2.3.1 AABattery Holder
Your radio was shipped from the factory with the AA battery holder attached. Removal of this
battery holder is as follows:
1) Using a coin or screwdriver, turn the screw at the base of the AA battery holder
counterclockwise. This will allow you to remove the holder from the radio.
AA Battery Holder Removal
2) There are no batteries installed in the AA battery holder from the factory. To install
batteries, carefully follow the battery insertion diagram found on the door of the battery
holder.
installation of AA Batteries
AA BATTERY HOLDER USAGE
Always carefully note the correct installation of batteries into the battery holder.
Only use Alkaline or Nicad AA batteries in the AA battery holder.
You may wish to use the AA battery holder as a “backup" battery pack, for use should your
NiCad pack become discharged at an inconvenient time.
It rechargeable alkalines or Nicads are used, they must be removed trom the AA battery holder
to be recharged. The AA battery holder cannot be used with the desktop/wall charger included
with your radio.
Always note the safety, handling, and storage Instructions that is Included with AA batterles you
may purchase Eapeclally when storing batteries Inside the AA battery holder tor extended
periods of time, or emergency use.
2.3.2 Nlcad Battery Pack
Although some voltage may be measured on the NiCad battery pack initially, it must be fully
chargec before normal use. Remove the battery pack from the poly bag, and attach it to the
~ radio housingt Using a coin or screwdriver. turn the screw at the base of the NiCad battery pack
clockwise to secure the battery to the radio housing.
Installing the NiCad Battery Pack
2.3.3 NiCad Battery Charger
The NiCad battery charger can be used as a desktop charger, or can be wall mounted in a
convenient location To attach the battery charger to a wall or other vertical surface:
1) Remove the two screws from the base of the charger.
2) Remove the wall mounting plate, and attach it to the well using the screws provided.
3) Reassemble the charger by sliding the charger body down into the wall mounting plate.
4) Replace the two screws in to the base at the wall mounted charger.
Wall Mounting the NiCad Battery Charger
2.3.4 Charging the NiCad Battery Pack
Although some voltage may be measured on the NiCad battery pack initially, it must be fully
charged before normal use.
1) Insert the radio with the battery pack attached into the battery charger.
2) Connect the AC wall adapter into a standard 110VAC wall outlet, and insert the molded plug
into the connector on the side of the NiCad battery charger. The “CHARGE” indicator on
the front of the charger will illuminate when the it is receiving voltage from the AC adapter.
3) A typical time to recharge the battery pack can be up to 15 hours. Normal operating time
will be an average of 6 to 8 hours on a fully charged battery. To conserve battery life, use
the low (1W) power setting when using the radio for primarily short range communications.
Charging the Nicad Battery Pack
2.3.5 Getting the most out of your Nicad Battery Pack
To extend the life of your NiCad Battery Pack and maintain its best performance during
the use of your radio, follow the guidelines listed below.
- To recharge the radio's battery pack safely, always use only the AC adapter that comes with
your radio or an equivalent replacement.
- The radio should always be turned OFF while recharging the battery pack.
- Avoid short charging cycles. in general, the battery should only be recharged when tully
discharged. The optional Universal Drop-In Charger (M56791C) leatures a discharge key and a
rapid recharge lor tully automatic discharge/recharge battery cycles.
- Avoid high ambient temperatures (over 110° F) while recharging the battery pack.
- When the ballery pack becomes warm to the touch, it is tully charged and should be removed
lrorn the charger.
' if the radio is to be stored for an extended period oi limo, remove the battery pack to avoid
possible damageand/or resultant battery tailure.
When it is determined that the battery Is no longer usetul, it should be disposed of properly.
2.3.6 Attaching the Antenna
Securely fasten the rubber helical antenna to the TNC type connector on the top of the radio.
Attaching the Antenna
2.3.7 Attaching the Belt Clip and Wrist Strap
1) Put the radio into the supplied leatherette carrying case if desired.
2) Remove the belt clip and hardware from the packing materials. Using the two screws
provided attach the belt clip to the rear housing of the radio.
3) Attach the wrist strap by looping it through the mounting hole.
Belt Clip and Wrist Strap Installation
2.3.8 VHF502 Dimensions
Flg. 2-1 OUTLINE DIMENSIONS
SECTION 3
OPERATIONS
3.1 INTRODUCTION
Your VHF502 has the capability to transmit on all legally available Marine VHF radictelephone
channels. There are channels that are FCC approved but may only be used by authorized
stations for specific purposes. depending on the type of vessel (commercial or non-
commercial). Carefully review section 3.3.8 which lists all of the marine VHF channels available
in your VHF502 for U.S.. International. and Canadian radiotelephone use. Full familiarization
with this table is essential when selecting your channels. The U.S. channels are those
. channels authorized for use in the US. by the FCC. The international frequencies were agreed
upon by the attending countries at the 1968 International Telecommunication Union meeting in
Geneva and are in active'use around the world.
3.2 CONTROLS AND LCD DISPLAY
Refer to Figure 3-1 for familiarization with the controls and display modes.
3.2.1 Controls
1) VOLUME Control (On/Off)
Turns the radio On and controls the Volume of the audio output from the speaker.
2) SQUELCH Control
Allows the user to “quiet" the receiver when no signals are being received.
3) PTI' (Push-To-Talk) Switch
When pressed puts the radio into the transmit mode, and "TX" is displayed on the LCD.
4) SCAN / MEM Key
- When pressed, puts the radio into the All scan or Memory scan mode. In this mode, the
radio scans through the channels, stopping when radio traffic is detected, then resumes
scanning after the traffic ceases. if the scanning has stopped on a particular channel.
and you wish to continue, press the SCAN key again to continue scanning.
- This key is used to program channels into memory, or to clear channels from memory.
The radio will beep to confirm when channels are being stored into memory.
5) wx / INT Key
- When pressed. selects the Weather mode. “W is displayed on the LCD along with a
weather channel number (0 - 9). Use the ‘l‘ channel keys to select your local NOAA
weather channel. In the WX mode, the transmitter is disabled.
- Press and hold for 1 second, to change from US. mode to INT (international) or CA
(Canada) mode. The Us. mode is the default operating mode.
IMPORTANT NOTE
The INT and CA modes are not legal for use while operating in US waters.
6) MON/TX Key
~ When pressed, selects the Monitor (Dual Watch) mode and “MON" appears on the
LCD, In this mode, the radio will monitor the currently selected working channel and the
priority channel (1 Splus).
- While in the Monitor (Dual Watch) mode, press the MEM key to activate the Tri-Watch
mode. In the Tri-Watch mode, the last used weather channel is also monitored for
severe weather alert broadcasts.
- When pressed, and held for 1 second, a beep will be heard and the transmit output
power setting alternately changes between 5 and 1 Watt.
7) 16PLUS Key
This key is used to instantly select the priority channel (16plus). OH"; is the default priority
channel from the factory However an alternate channel can be programmed as the priority
channel if desired.
8) ‘ /' Channel Keys
The up and down arrow keys are used to change the currently selected channel. The
channel number is increased or decreased once with each keypress or it held, will continue
scrolling through the channels until released.
3.2.2 LCD Display
A number of indicators appear on the LCD display in different locations. The following list
describes each indicator and when it will appear.
Fig. 3-2 LCD DISPLAY
® MEM (Memory) : will be displayed when the current channel is a memory channel, and in
Memory Scan mode
(2 SCAN (All Scan/Memory Scan) : will be displayed when the radio is in the All Scan or
Memory Scan mode.
® MON (Monitor) : will be displayed when the radio is in the Monitor mode.
@ WX (Weather) : will be displayed when a weather channel is selected. The “WX” indicator
will blink when a severe weather alert tone is received (in Monitor mode).
® INT (International) : will be displayed when International channels are programmed for use
6) 5/ 1 : will be displayed to indicate the current TX power setting.
® TX (Transmit) : will be displayed on the LCD when the Push-To-Talk (PTl') switch on the
radio is engaged and the transmitter circuits are providing RF signals to the antenna.
BATI' : is always shown on the display along with the battery voltage bar indicators to
provide a battery level status, The “BA'IT' indicator will blink when the battery voltage is
low, and the battery needs charging. If a low battery condition is detected during
transmission,,"LO" will be shown and the radio will stop transmitting. The battery level is
shown on the LCD as follows:
B I! I' . ,
Fully charged BATr _ Z 2
Normal operation BA‘IT : 2
Needs charging BATI‘ :
® LARGE CHANNEL # : displays the channel number currently in use
® SMALL CHANNEL # : displays the channel number of the priority channel in Monitor mode.
Other indicators shown in the Small Channel segment area:
L : indicates Key Lock mode.
C : indicates Canada mode.
P : indicates Priority mode.
3.3 OPERATING PROCEDURES
Specific operating procedures for the 502 are presented in this section. General information
regarding correct marine channel usage may be found in the Appendix section. Refer to the
Control section 3.2.1 beginning on page 9 for a thorough description of all 502 functions.
3.3.1 Turning the Power On
1) Rotate the ON/OFFNqume control clockwise to turn the radio on. Continue rotating the
knob clockwise and set it at approximately the midpoint of it's range.
2) Rotate the SQUELCH control fully counterclockwise. (Background noise will be heard.)
.3) Set the VOLUME control to the desired listening level.
4) Rotate the SQUELCH control slowly clockwise until the background noise in the speaker
ceases.
5) When the power is initially turned on, the priority channel (16plus) will be selected. Press
the ‘ /' channel keys to select the desired working channel. Refer to section 3.3.8 on
2)
pages 7 _ - _ _ for the available VHF Marine channels and their frequencies.
To Select A Weather Channel
Press the WX key. then the Al' channel keys to select your local NOAA weather channel
(0 to 9). When the WX mode is selected, the transmitter is inhibited.
To Transmit
To select or change the transmitter output power. press and hold the TX key for 1 second.
There are three output power settings; 5 Watts. and 1 Watt. The appropriate power setting
depends on the distance the message is to be transmitted, transmitting conditions, and
desired battery life.
Press the Push-To Talk (PTT) switch and speak into the microphone using a clear normal
voice.
NOTES:
- Initial communication contacts are usually made over channel 16 as all ships and shore stations
monitor this channel, then a shift to a working channel will be necessary.
- In certain us harbors and on certain channels, the FCC requires the power to be limited to 1
well. On these 'requlred' channels, the radio automatically selects the 1 watt power output
setting when the channel is selected. .
v The VHF502 is designed to meet the new FCC Rules Fan 80.203, which states, It the Push—To
Talk (PTT) switch ls pressed for over live minutes continuously. the transmitter will disengage.
It this occurs, audible beeps will sound continuously until the FIT switch is released. Upon
release 0! the PTT switch. normal radio operation will resume.
'3.3.2 The 16PLUS (priority) Channel
The 1Gplus priority channel has been preset to CH16 prior to shipment from the factory.
However. an alternate working channel can be selected as the priority channel if desired, using
the procedure below.
1)
2)
3)
Press the ‘ /v channel keys to select the desired channel.
Press and hold the 16plus key for three seconds. An audible beep tone will confirm that the
selected channel is stored in memory as the new priority channel.
To reprogram CH16 as the 1Splus channel, repeat steps 1 and 2 for CH16. WX channels
cannot be programmed as the priority channel.
3.3.3 Memory Key Functions
The MEM key is used to program channels into memory for Memory Scan and Memory
functions, and for the Memory Recall function.
To program a channel into memory. select the channel to be stored using the ‘l'
channel keys. Press and hold the MEM key for about 1 seconds. The MEM indicator will
appear on the display, and a beep tone will confirm that the channel has been stored to
memory. There is no limit to how many channels can be stored to memory.
To clear a channel from memory, select the channel to be cleared using the ‘l' channel
keys, Press and hold the MEM key for about 1 second. The MEM indicator will no longer be
shown on the display and a beep tone will confirm that the channel has been erased from
memory.
To review the memorized channels (Memory Recall), press the MEM key twice. The
channels that have been stored into memory will be displayed in sequence on the LCD for
review.
3.3.4 Memory Reset
To clear all channels from memory. and reset the 16plus key to it’s factory default channel
(CH16), hold the MEM key down while turning the radio ON.
1)
2)
-3.3.5 All Scan and Memory Scan Modes
All Scan
Press the SCAN/MEM key, to activate the All Scan mode. The SCAN indicator will appear
on the display and the VHF502 will sequentially scan all of the channels in the selected
frequency mode (U.S., NT, or Canada).
- If a signal is received. the scanning will stop MUMEUQDLIQQLS After 5 seconds,
scanning will resume. If the scanning has stopped on a received signal, press the
SCAN key again to continue. To cancel the SCAN mode, press the SCAN key. \ l s —
- If the scanning has stopped on a channel with traffic, and you wish to communicate with
the other party, press the P‘I‘I’ switch to cancel the SCAN mode and remain on that
channel.
Memory Scan
- To scan only the channels that have been stored to memory, press the MEM key and
then press the SCAN key while “MEM" is blinking (within 2 seconds).
3.3.6 Monitor Mode
The monitor mode consists of the Dual Watch and Tri-Watch functions.
1)
2)
Dual Watch Mode
To start the Dual Watch mode, select the desired working channel and press the MON key.
The MON indicator will appear on the display, and the working channel and the 16plu5
(priority) channel will be monitored. in the Dual Watch mode, the current channel being
monitored will be shown in the large LCD channel segments, and the channel in standby
mode will be shown in the small LCD channel segments.
Tri-Watch mode
To sum the Til-Watch mode, you must first be in the Dual Watch mode, then press the
MEM key. In addition to the two channels already being monitored, the last used WX
channel will also be monitored for severe weather alert broadcasts.
0 If a weather alert broadcast is detected, the VHF502 will emit an alarm and the wx
indicator will begin to blink. The Tri-Watch mode will men be canceled and the radio will
switch to the WX channel to monitor the severe weather broadcast.
3.3.7 VHF502 Marine Channels and Their Usage
' Caution : Operaliun on channels not designated lor use by your classlflcaiion of craft, or in
International or Canadian frequency mode while operating in US lerrilorial waters Is a vlolallon
of FCC Rules and Regulallona and may resull in severe penalties.
USA Made Frequency Table for the VHF502 VHF Radiutelephone
W I Function
Freq. MHz Shlp to ShipTo .
CH TX RX T e or Trafilt: snip snor- m
01 155.050 156.050 VTS, Furl Operaiions J . . . .
03 I 155.150 155.150 Fm mefians J 1 . Transmitter ls automalically
05 155.250 155250 Port Operations J d'SEblefi’ 0" Chaflfle's 15- 75-
05 155.300 155 300 _ lniership Safely J and 76 in USA "10116-
07 155.550 155.350 Commercial J
05 155.400 155.400 Commercial J 2 : 1 Watt initially. User can
09 155.450 155.450 Calling J override to high power
10 155 500 155.500 l Commercial J setting via front panel
11 155.550 155.550 Commercial J controls.
12 155.500 155.500 Fort Operalions J
13 2 155.550 155.550 Navigation, Bridge 10 Bridge J 3 : 1 Watt only.
14 155.700 155.700 P011 Operalions J
15 1 ‘594750 Envimflmefw ' ' _—] 4 : Not for use by general public.
16 ‘56-500 “53531 Eme’flemyr cam“ " Requires special authorization
17 , 155.550 155.550 Slate Conlrolled J from ihe U.S. Coast Guard.
15 155.900 155.900 Commercial J or under pfivme land mobile
10 155.550 155.950 Commercial J license.
20 157.000 157.000 Port Operanans J
21 ._J_157 050 157.050 Caasl Guard J l 5 : Channel 70 is now used for
224 157100 157.100 Coast Guam J L Dig‘nal Selective Calling only,
23. 157150 157.150 Coasteuarcl J lhereforetransmission is
24 157.200 151.500 Marine Operator J disabled 0 n channel 70 in
25 157.250 151.550 Marine Operator J this radio
25 I? 300 151.900 Marine Operator J '
r 27 157.5534 151.950 Marine Operalor J
25 157.400 152.000 Marine Operalcr J J
51 4 155.075 155.075 Canadian Coast Guard J
53 155.175 155.175 Canadian Coasl Guard J ”‘1MPOHTANT NOTICE“
54 . 155.225 155.225 Canadian Coast Guard I L _|
55 155.275 155.275 Pon Operafions J ‘SHADING
_ 551 155.325 155.325 Pan Operations J
57 a l 155.375 155.375 Commercial J Channels 3. 21, 23. 61. 54, 81.
55 155.425 155.425 Boa! Operations, Recreational J 82, and 83, (shaded) are "01 '°'
59 155 475 155.475 5051 Operailons, Recreallanal l_ J use by the general public in
70 5 ~ 155.525 Digllal Seledrvs Calling - 5 U.S.
71 155.575 155.575 Baal Operations. Recrealional J walers. These frequencles may
72 Lie-525 155 525 Boa! Operations, Recreational J be used only under
1—73 155.575 155575 Port Operallons J authorization
74 155.725 155.725 Pori Operations J I: by the U.S. Coast Guard, or
75 ‘ ’ 155-775 CH‘G SW" 53m ' ’ under prlvate land mobile
75 1 - 155.525 CH|6 Guam Band |_ - — license.
77 3 155 575 155.075 P011 Operations J
75 155.927] 156.925 Boal operaiions, Henlsailonal J
75 7155975 155.975 Commercial J
50 157.025 157.025 Commercial J
51 157.075 157.075 Coast Guard J
52 157125 157.125 Coasl Guard _ J
55 157.175 157.175 ‘ Coasl Guard J
i’ 54 157.225 151.525 Marine Operator _‘ J
55 157 275 151.575 Marine operator J
55 157.525 151 1125 Marine Operator J
57 157.575 151.975 Marine Operalor J
55 157.425 157.425 l Commercial J [—
International Mode Frequency Table for the VHFSOZ VHF Radiotelephnne
aliQDQLMDJLe
Ship To
T e at Tiatflc
01 155.050 150.550 vrs. Pan Operations J
02 155100 160 700 17011 Opeiaiions J
0:1 155.150 150.750 P011 Operations J
04 155.200 150.500 Perl Operations J
05 155.250 150.550 P011 Operations ,/
05 155000 155.300 inmnip SaMy J
07 155.550 150.950 cumin-15.1 /
155.400 Cummercial J
09 155 450 155 450 Calling J
10 1 55.500 155 500 Commemai J
11 1 55.550 Communal J
12 155.500 155.500 Fort Operations ,/
1:1 . 155.550 156.650 Namgan’on. Brings 15 5711105 I
14 155.700 155.700 Pm 005mm J
15 . - 155 750 Environmental - -
15 Emergeflq, 0511an J
17 ; 156 550 Stale Connolled J
15 Commercial J
15 Commercial J
20 Fort Operations J
21 157.050 151550 J
22 157100 151.701) Coast Guard J
2:1 157.150 151.750 Coast Guam J
24 157200 151.500 Marine Operator J
25 157250 151.550 Marin. Operator J
25 157.500 151.900 Marine Operaioi J
27 157 350 151.950 Marine 0152751101 J
25 157400 152.000 Mann- 015-1511: J
50 155.025 150.525 Canadian cm: Gum J
51 155 075 Canadian 00531605711 J
52 155.125 Canadian Owl Guam J
5:1 155 175 150 775 Canadian 0021516115170 J
54 155.225 150.525 Perl owamns J
55 155.275 150 075 P1711 Operaiions J
55 155.325 150.925 Pan Operations J
57 1 155.375 155 375 Commerce J
55 155 45 155 425 anI Operelima, Recreation” J
59 155,475 155 475 final Operaiions, neaeananai J
70. - 155 525 mum 551551115 Calling Only ~ »
71 , 155.575 155.575 5551 Operations. Recreational J
72 155.525 155.525 Boal Opera-ions. neaeauonai J
73 155.575 155 075 9011 Operanons J
74 156.725 156 725 Fort Operations I
751 ' 155 775 31-115 Guam Band ' '
751 — 155 525 01115 Guard Baml - -
77 , 155.075 155.075 Pen Operations J
70 155 925 151 525 0551 Operations, 1720155001151 J
70 155 75 Commercial J
50 157 025 15 25 Comme J
. 81 157.075 161.875 Chest Guam I
02 157.125 151.725 Coast Guard J
a: 157.175 151.775 00551 Guard J
54 157225 151.025 Marina 005mm J
05 157 275 151.875 Marine Operatu J
55 157.325 151.925 Manne Operalov J
87 157.375 161.975 Marine Operator /
00__i 157.425 152.025 Enmmerual J
Mates.
1 :Transmitter is automatically
disabled on channels 15, 75,
and 76 in INT mode.
2 : 1 Watt initially. User can
override to high power
setting via front panel
controls.
3; 1 Watt only.
4 : Channel 70 is new used for
Digital Selective Calling only,
therefore transmission is
' disabled on channel 70 in
11115 radio.
”IMPORTANT NOTIC E”
The INT mode is not legal for
use while operating in us.
waters. The TX/RX frequencies
available in the INT mode were
agreed upon by the attending
countries at the 1968 ITU -
International Telecommunlcatlon
are legal for use In International
waters only.
Unl
SECTION 4
TECHNICAL DESCRIPTION
4.1 GENERAL
The VHF502 can he considered as consisting of two major sections.
- The Control Section (consisting of the front panel controls, LCD display, and CPU).
0 The Transmitter/Receiver] PLL Section.
4.2 THE CONTROL SECTION
The heart of the control section is the CPU, which is I0203 located on the CPU PCBt The CPU
controls all of the following items :
. Controls the Squelch circuit by detecting a busy signal from the 2nd IF circuit [OS on the
Main PCB.
- Generates a beep tone when a key is activated on the keyboard.
- Mutes the transmitter modulation circuit when receiving.
- Controls the output power of the transmitter High/Low.
- Controls the dividing ratio N of the PLL circuit.
- Switches ON/Off the transmitter power.
- Mutes AF audio.
'- Detects a weather alert signal (when in Monitor Mode).
- Controls the LCD display.
. 4.3 THE TRANSMHTER/RECEIVER/PLL SECTIONS
In reading through the following circuit descriptions, it may be helpful to refer to Figure 44
Block Diagram of the TX/FIXIPLL circuits.
4.3.1 PLL (Phase Lock Loop) Circuit
The PLL circuit is oscillating the standard frequency with the PLL IC ( lC4 ) and 12.8MHZ crystal
filter XTLt. This is divided into 11512 in the IC4 to make 25KHZ reference frequency. RF
output from VCO unit (VCOt ) will be input to PLL lC ( lC4) pin8 via buffer amplifier 06 The
dividing ratio data stored in the CPU lCZOS will be output to pinto and clock signal will be output
to ping of the PLL IC ( IC4 ). And when the chip enable signal is input to pin11 of PLL IC ( IC4)
the dividing ratio data will be latched to the PLL lC ( IC4 ). The phase of the frequency which is
a input frequency to the PLL IC ( IC4 ) divided by the CPU stored dividing radio and the 25KHz
reference frequency is compared correlated to control voltage. That is input to the pin of VCO
unit ( vcm ).
4.3.2 Transmitter Circuit
1)
2)
Microphone Amplifier Circuit
High Frequency Power Amplifier Circuit
RF signal from the VCO unit (V001) goes through the 10dB attenuator consisting of R12 -
14 and will be amplified by 02. Output from Q2 will amplify drive power necessary for the
Q1. FET power module (IC1) will be amplified and the RF signal will be output to the
antenna switching circuit. FiF output from the FEI' power module (lC1) can be changed by
changing the voltage of lCt pin 2.
APC Circuit
Diode D3 is monitoring a pan of the FET power module’s (IC1) output. The monitoring
signal will be output to IC1 via switching transistor Q3 and displays the "TX ON” on the LCD.
4.3.3 Receiver Circuit
1)
2)
3)
5)
Antenna Switching Circuit
Signal received at the antenna connector J3 goes to high frequency amplifier circuit via the
3 stage low pass filter consisting of coils L1-3.
High Frequency Amplifier Circuit
RF signal goes to the 1’“ mixer circuit through 2-stage BPF (consisting of coil L9, 10 and
L11, 12), and will be high frequency amplified by 05 and then 2~stage BPF (consisting of
L14, 15 and Us, 17). The 13 image spurious frequency will be rejected to the adequate
level in the 4-stage BPF inside the high frequency amplifier circuit.
15' Mixer intermediate Frequency Amplifier Circuit
A Transister mixer type in this radio. The 1El lF signal from the mixer circuit goes to the 2m1
mixer circuit through 1-stage crystal filter (FlL1) and amplified in 08 of the 1" IF amplifier
circuit.
2"‘1 intermediate Frequency Circuit
The 1“1 IF signal is added to lC5 and converted to 2” IF signal. The 2’“ IF signal goes
through FIL2 and amplified in the IC5 and then through discriminater FlLa and the
demodulated AF signal is output from ICs.
Low Frequency Circuit
The AF signal demodulated in the iCS goes thrOUQh the de-emphasis circuit consisting of
H58 and C77 and will be amplified in the 09. A Z-stage HPF consisting of 010, C79, R61,
080 and R60 is used to reject AF signal below 300Hz. The AF signal from the HPF goes
through variable resistor FlV2 a
, to the set output level.
6) Audio Muting Circuit .
The 014 to mute the audio is
output of the CPU ICZOS.
7) WX Alert Detection
The tone selector IC201 dete
AF and the WX alert tone will
4.4
4.4.1
4.4.2
SPECIFICA‘HONS
Transmitter
Channels
Frequency Stability
Frequency Range
Channel Spacing
Power Output
Modulation
Modulation Audio
FM Hum & Noise
Audio Distortion
Spurious & Harmonic
Antenna Impedance
Transmitter Protection
Receiver
Channels
Frequency Range
Frequenw Stability
Usable Sensitivity
Squelch Sensitivity threshold
Tight squelch sensitivity
nd is input to the speaker amplifier circuit Ice and amplified
controlled by input of squelch’s BUSY signal and the mute
cls the 1050Hz alert tone if it is contained in the re-modulated
be output from the speakert
All available US,lNT, Canada VHF Marine band
i 10 PPM (01001 36) from -20°C to +50°C
156.025 to 1573125 MHz
25 KHz increments
Switchable 5W, 1W into 50 Ohms at 6.0 VDC
Frequency Modulated (16KOGSE)
Shall not vary+1 ,—3 dB from true 6 dB/Oct pre-
emphasis response from 300 to 2500 Hz, reference
1000 Hz. Audio frequencies 320 KHZ shall be
attenuated (at 1 KHz by 60 log r/a dB. Above 20
KHZ by 50 dB)
Level greater than 40 dB below audio
Less than 10% at 1 KHz for3 KHz deviation
Attenuated at least 43+10 log Po (below rated
radiated carrier power) per FCC Rules Parts 2 & 80
50 Ohms
Shall survive open or short circuit of antenna
system without damage (10 min. test)
All available US,lNT, Canada VHF Marine band
156402510 163.275 MHz in 25 KHz increments
i10 PPM (0.00196) from 20°C to +50°C
0.3 uV for 12 dB (SINAD); 05 UV for20 dB quieting
0.3 W or better
0.5uV to 1,0uV
4.4.3
4.4.4
Modulation Acceptance
Adjacent Channel Rejection
Spurious image Rejection
lntermodulation Rejection
Audio Output
Hum & Noise in Audio
Operating Requirements
Input Voltage
Battery Capacity
Current Required
Transmit
Receiving (squelched)
Operating Temperature
Duty Cycle
Humidity
Radio Dimensions
Height (radio body w/batt.)
Width
Depth
Weight
Less thanilo KHz
Greater than 70 dB
Greater than 70 dB
Greater than 80 dB
0.4 Watt or more at 1096 or less distortion into 4
Ohm load
Less than -40 dB
6.0 VDC NiCad rechargeable battery
SOOmA/H
Less than 2.0 amps at 5 W; and 1.0 amp at 1W
Less than 40mA; 150mA at 0.3 Watt audio output
(1 KHz)
-20°C to +50°C
Continuous. 80% receive, 20% transmit (max. 10
min. @25)
10036 at +50°C for 8 hours
149.2 mm
63.3 mm
38.0 mm
Approx. 0.5kg. (1 lb)
NOTE:
The VHFSOZ VHF FM Rediotelephone meets all applicable sections of
FCC Rules Parts 2, 15 and 80.
SECTION 5
MAINTENANCE
5.1 GENERAL
The purpose of this section is to provide servicing instructions for the service technician, The
VHF502 is designed to provide long periods of trouble-free operation It is recognized, however.
that environmental and other factors may result in a need for occasional service.
5.1.1 How to contact Raytheon
IthnicaLSuprn: LEGO-5396539 extension 2445 or (603) 647-7530 extension 2445
. You may reach our Technical Support Department Monday thru Friday, from 8:15am to 5:00pm
Eastern Standard Time. pur Technical Support Specialists are available to answer installation,
operation, and trouble-shooting questions about your Raytheon unit. Our Technical Support
Department may also be reached via the Internet.
- Questions may be addressed directly to:
rmc» techfflayrheon@raymarine.com.
- Or visit Raytheon at the Haytheon Electronics World Wide Web site:
WWWJaymarinecom
- Our Fax Number is 603 634 4756
Was 1—800-539-5539 extension 2120 or (603) 647 7530 ext. 2120
Many Raytheon accessory items and parts are available through your authorized Ftaytheon
dealer. However if you are in need of an item not available through your retailer feel free to
contact our Customer Service department Monday thru Friday from 5:15am to 5:00pm Eastern
Standard Time. Please refer to the Optional Accessory list in this manual (Page 3), and have
the Raytheon part number ready when calling to place an order. If you are uncertain about
what item to choose, please contact our Technical Support Department (1 -800-539-5539 ext.
2065) prior to placing your order.
135.5.
In the unlikely event your Raytheon unit should develop a problem please return your unit to our
Product Repair Center. Please make certain to complete and mail the warranty registration
card from the front of this manual. If you have not mailed your warranty card please include a
copy of your oringaI purchase receipt to verify your warranty status. Please return your unit to
the following address:
Raytheon Product Repair Center
676 Island Pond Fload
Manchester NH 031095420
' Please make sure to fill out completely the Service Information Card found in the back of this
manual and return this card with your Ftaytheon unit. A postcard acknowledging we have
received your unit will be mailed to you upon arrival at our Product Repair Center. We will do
everything possible to return your unit as quickly as possible. To inquire about the status of
your unit our Product Repair Center may be reached by calling 1-800-539-5539 extension
2118. Please keep a record of the serial number of your unit and have this number ready when
you call.
How To Contact Raytheon (Europe)
in Europe, Haytheon Support, Service and Accessories may be obtained by contacting:
Ray‘theon Marine Europe Limited
Anchorage Park, Portsmouth
P03 5TD,EngIand
ATT. Service Department
Phone (01705) 693611
Fax (01705) 694642
5.2 PREVENTATIVE MAINTENANCE
The VHF502 has been constructed to be virtually maintenance free. Your attention to a few
basic points should assure many years of service.
- Although the unit is waterproof, always keep the unit as dry as reasonably possible.
- Clean the exterior of the unit with a tissue or soft non-abrasive cloth. Do not use
solvents or other chemicals.
° inspect the radio case, battery pack, and antenna for any physical damage.
- Check ti'Te antenna connector for any dirt or corrosion.
NOTE:
The following alignment procedures have been provided in this manual
to aid FCC licensed technicians and service personnel only.
5.3 ALIGNMENTS AND SERVICE
This transceiver is completely aligned at the factory and does not require any adjustments at
installation.
The test equipments listed are used for the test setup shown in Fig. 5-1. This test setup is used
either in part or in total during the following adjustments.
TEST EQUIPMENT
1. DC Power Supply (020 V variable. 3A max.) set at 7.2 VDC
2. RF Power Meter (10 W, 50 ohm, 150-200 MHZ)
3. RF Signal Generator (50 ohm Output, 150-200 MHz)
FM Linear Detector (FMLD) or Deviation Monitor 150-200 MHz
Frequency Counter
Digital Voltm eter
Oscilloscope (any oscilloscope accurate for audio signal tracing)
SlNAD Meter
9. Distortion Meter
10. Toggle Switch (for use as a PTT twitch)
11. Coaxial Switch for TX/RX Antenna switching
QNP’F‘P
IIIC TX
AUDIO RF POWER
osc umr ”if/0 fl METER
UNDER TEST 0_
EAR RX
PTT DC POWER FREQ.
SWITCH SUPPLY COUNTER
SINAD FII LINEAR
METER DETECTOR
Figure 5-1
5.3.1 PLL Adjustment (T RANSMl'lTER/RECEIVEH)
1) Connect the power suppy (6.0V, 3A) to the power line and the PTT switch to the
microphone terminal.
2) Connect a digital voltmeter or high impedance tester (positive lead to VCO pin2, negative to
ground) and check as shown in Table 5-1. (See Fig. 572.)
Figure 5-2
-—————mm
rx TX ems USA Apgrox, 2.3Vdc
RX Rx CHIG USA l - - -rox. 1.8Vdc
RX RX CHBB USA less than 4.2th:
Table 5-1
5.3.2 Frequengy Adjustment (r RANSMITI'ER)
1) Connect the coupler output to a frequency oounter, set the radio on CH16 (156.800 MHz),
key to transmit, and read the indication on the frequency counter.
2) Adjust trimmer capacitor CV1 on the RF PCB tor the desired frequency (156.800 MHZ) on
the frequency counter.
Figure 5-3
5.3.3 Modulation Adiustment (TRANSMITTER)
1) Connect the coupler output to an FM linear detector. Connect an audio oscillator to the
microphone connector and key to transmit.
2) Set the audio oscillator output to»25 dBm, 300Hz and adjust RV101 on the CPU PCB for a
deviation of 4.5 KHz +/-300 Hz. (See Fig. 5-4.)
3) Set the audio oscillator output to-43 dBm, 1 KHz and read the deviation meter (2.5KHz -
3KHz)
Figure 5-4
5.3.4 Power Output Adjustment (TRANSMITTER)
1) Connect an RF power meter to the antenna connector. Key to transmit and adjust RV1 for
the low power on the RF PCB as shown in Table 52. (See Fig. 5—5.) The high power will be
adjusted automatically.
Tar-et -ower
1 6.0 Vdc H/L LRV1 low power 0.9W +/- 0.05W (limit1.0W)
2 GO Vdc H/L :H check 5W Po 0.5W
Table 5-2
Figure 5-5
5.3.5 Weather Alert Frequency Adjustment (RECEIVER)
1) Connect an RF signal generator to the antenna connector. Set the RF signal generator as
follows:
Frequency : 162,550 MHz with no modulation
Output level : 60 dB
_ 2) Select the weather channel WX1.
3) Connect a frequency counter to TP1 on the CPU PCB and adjust RV102 to obtain 2100
Hz10 Hz on the frequency counter. (See Fig 5-6.)
5.4 TROUBLESHOOTING GUIDE
Table 54 provides a general troubleshooting chart for use by a technician to isolate circuitry to
specific functional within VHF radio.
The first step in attempting to clear a problem associated with the general operation of this
radio is to perform a MASTER RESET. This can be done by simply holding down the 16 PLUS
key while turning the radio on. This should be performed anytime a component or PCB within a
radio is replaced. This function will clear the memory of the 502 and return it to the original
factory settings, 16 PLUS will automatically be reprogrammed to channel 16.
NOTE:
Micro-components within the radio are generally not field replaceable, therefore, repairs to the
radio typically go down to the PC board level only. A replacement parts list for the VHF502 can
be found in Section 6.
JtemSymmom Eossibtefiause
.1 Unit does not turn on. a. Defective power switch.
b. Check the battery voltage.
0. Check the connector connection.
d, Defective regulator IC7.
2 NO sound from speaker . Defective speaker (SPtot).
. Detective ICs and/or assoc. components(097, etc)
. Defective speaker ON control circuit (012,I0203).
. Detective volume control.
. Detective mute circuitry (014).
munch!
3. Squelch circuit inop . Check squelch control.
. Detective lC5 and/or associated circuitry between pins
7 and 94
cm
4. No receive (RX) . Detective regulator IC7.
, Detective 016 (RX+B).
. Check le audio output voltage at pin 9.
. Defective audio signal buffer 09,010.
. Check XTL2 output for 21.145 MHz signal.
Check 21.6 MHZ output of X'tal filters FIL1.
. Check 21.6 MHz output of first lF amplifier 08.
. Check 455 KHz signal form ceramic filter FIL2.
Failure of VCO circuit (V601, IC4, 06 and/or other
associated circuitry).
. Defective CPU.
P‘JDT‘QQOUN
5. Low receiver sensitivity . Check antenna and connector for possible
corrosion or bad connection.
, BPF, 05 and/or associated circuitry.
. Output of 018 and/or associated circuitry.
. Output ofVCOt Pin 3.
and
6 CPU irfoperative . Turn off the power once, and try again.
. Check CPU clock frequencies (pins 70 and 71 of
I0203).
c. If clock frequency is not present, check for+5 Vdc line.
Um
7 Display malfunction a. check the interconnection to the LCD display.
b. inoperative CPU.
Table 5-3 TROUBLESHOOTING CHART
Item Sanctum Emisiblcjlause
8 No transmit (TX) a Defective PTT switch.
10
11
12
Low RF power output
Poor or no modulation
Deviation of transmit frequency
PLL output frequency or level
b. Detective regulator IC7.
c. Defective 015 (I'X+B).
it. Check power transmit circuit (01. 02. and/or IC1)
8. Failure of VCO circuit (V001) or PLL lC4.
f. Check PLL control voltage for 2.3 V at Pin 2 of V001
on channel 16,
9. Failure of TX mute circuit (ICZ and/or associated
circuit )4
h. Failure of talk detection circuit (D3).
a. Check RF power output from lC1 pin 4,, If it checks
good, then check the triple Pi type network components
(Ct - C4 and L1 - L4) and antenna switching diode (D1).
If not good, then check the voltage level outputs of the
drive amplifiers Q1 and 02 as well as the associated
circuitry.
b. Check power control circuit (ICZ and/or associated
circuitry)
a Defective microphone or microphone connection
b. Defective ICZOZ and/or its associated components
a. Check VCO output frequency at pin 8 of PLL ICS, PLL
phase detector output at pin 16, 15 of PLL IC3 and
associated circuitry.
b. Check 12.8 MHz crystal (XTL1).
a. Check frequency of 1218 MHz crystal (XTL1).
b. Check the frequency output at pin a of IC 3 and verify
the transmit frequenw.
Table 54 TROUBLESHOOTING CHART (Continued)
SECTION 6
PARTS LIST AND DRAWINGS
6.1 PARTS LOCATION LIST
MAIN CIRCUIT BOARD
Symbol Q'tyJ-Eaits No. Description
C1,3,28 3 016080H1H180JT Chip capacitor 18p
912.1 7 I, 2 CISOBCHlHZZOJT Chip capacitor 22p
E3 1,916080H1H270JT AChip capacitor 27p 4
C2 1 C16080H1H390JT Chip capacitor 391)
020.57 + 2 C1608CH1H330JT jab capacitor 331:
021,24,64,72,73,88.105.106,107,115,116 F 11mJF1E104ZT Chip capacitor 0.1uF _l
023,37.62,78,79,80 6L01608JB1H103KT Chip capacitor 0.01 uF
025.68,76,81,92,93,95.110 J 8 C1608JF1A105Z Chip capacitor 1u/10V
‘ 0265.38.84 _|_ 3 SK—iC105M-RA Chip Tantalum 1uF/16V
£2170 Chip capacitor 2200p
34.85,36,39,43,44,45,49,50,52,54,55.56,6
G4,8,10,11,14,15,16,18,19,29,30,31,32,33,
|__ 2 C1608JB1H222KT
35i-CI 608JF1 H1 OZZT
0.
Chip capacitor 1000p
61. 67,71,85,91.108.109 J
040 —l 1 C1GOBCH1H1RECT Chip capacitor 1.5pF
£116 1 CIBOBCH1H01OCT Chip capacitor 1p
05.6,41,42.47,48 6 C16080H1H130JT Chip capacitor 13pF
,_
051 h 1 CiGOSCHIHORSCT Chip capacitor 0.5pF
C53.63,111,112 4 ClGUBCHiHiOIJT Chip capacitor 100p
——i— h
kC58,66,B7 _3ICISOBCH1H560JT Chip capacitor 56p
" A
C7 1 CIGOBCH1HOGOCT Chip capacitor 3p
C74 1— 1E16080H1H910JT lChip capacitor 911: 4
C77 4 1 C1608JF16224Z Chip capacitor 0.22uF
082 1 SK4—1A336M—RC Chip Tantalum 33uF/10V
086 L 1 C16080H1H470JT Chip capacitor 47p
089.90 |_ 2 CifiOSCH1H221JT Chip capacitor 220p
£9,22,59,65,75,83,94,99.100,113
|__1 OEK3-1A475M—RA
Chip Tantalum 4 7uF
096
1 ClfiOBCHlHiOODT
Chip capacitor IOp
097 1 RE3—6V221 M Capacitor 220uF/643V
._ _l__
'998 1 SK3-1A106M~RB Chip Tantalum 10uF/10V
0117 l— 1 C1608CH1H150JT Chip capacitor 15p
£118 1E1608J81H472KT Chip capacitor 4700p
IQVI
1 TZCOSPQOOAI 10
Trimmer Chip Capacitor 20p
Symbol Q'ty Parts No. LDescription
{2,2 j 2 185135 Antenna SW Diode
03 1 188383 Chip Diode
D4,5 2 DANZOZK—T146 Fhip Diode
FIL1 1 21U15A 21.5MHz Crystal Filter
FIL2 1 CDBM455024 455KHZ Ceramic Filter
F|L3 1 CDBC4550X24 Disc 455KH2
JP1 T 1 52559—2290 Connector 22P J
rJPZ _1|£-S—2P—52T2—EF Connector 2P
JP3 LIL-S-SP—SZTZ—EF Connector 5P
I_I__1,2,4 3 E2—0,4~2.0—7TL _i9hip Coil 0.4(15 7t
H 1 E2—0.4-2.0—5TL Chip Coil 0.4¢ St
L5 liEK2125—6R8K-T Chip Inductor s.suH
L6] _2‘E2—O.35~1.6—6TL _lChip Coil 0.35 ct fit
£8,13,18,19 |_ 4 LK2125-1ROK-T Chip Inductor 1A0uH
|_L9,11,14r,15 _J 4 E2-0.35—1.G*8TL Chip Coil 0.35¢ St
FL10,12,15,17 4 E2>0,3-1.0-5TR Chip Coil 0.3 ¢ 5k
Q1 1 ZSC3357 Transistor
L911 1 2831188 Transistor
I912 i—— lliJTCI44EUA Digital Transistor NPN _‘
1914 '_ 1 2504851 Transistor
015,16 2 28A1298—Y-T(|Y) Transistor
019 _l 1 DTCI 14EKA— Digital Transistor NPN
]_ JI46(24)
02,5,6,8,13,18 _i 5 2504226 Transistor
03,4,7,9,10,17 _] 6 2804116 Eeneml Transistor
R1 'L flCRl/leSIJV Chip Resistor 150 1/8W
R11.28,58 _3|CR1/16s333JV Chip Resistor 33k 1/16W
R12,14 2 CR1/15—121JV Chip Resistor 120 1/16W
R13 1 CR1/16—510JV _i2hip Resistor 51 1/16W
R15,19 2 CR1/16—682JV Chip Resistor 6.8k 1/16W
R16,27.41 3jCR1/1G-222-JV Chip Resistor 2.2k 1/16W
R17,62,G8.73,80,85 6 CR1/16-332JV Chip Resistor 3.3k 1/16W
R2,4 J 2 CR1/16-431JV Chip Resistor 430 1/16W
Fr;
Symbol 'ty Parts Not Description
R20‘22.24.45,56,74,75‘7B,81 EI—CR1/16-103JV TChip Resistor 10k 1/16W
R21 ,40,46.50,67,83 qCR1/1fi-104JV Chip Resistor 100k 1/16W
R23 1 1 CR1/16-334JV Chip Resistor 330k 1/16W
R25 1 CR1/16—162JV Chip Resistor 1.6k 1/16W J '
R3 1 CR1/16'—120JV Chip Resistor 12 1/1GW I
R30 LCR1/16—151JV Chip Resistor 150 1/16W
R34 L 1 CR1/16—563JV Chip Resistor 56k 1/16W
R35 _|_ 1 CR1/15‘820dV Chip Resistor 82 1/16W
R42,43,44 3 CR1/16—473JV [Chip Resistor 47k 1/16W
R49.59 [— 2 CR1/16-221JV Chip Resistor 220 1/16W
R5,9 _2|CR1/10—100JV Chip Resistor 10 1/10W
hR53 ‘ 1 CR1/16—824JV JChip Resistor 820k 1/1GW
R54 _| 1 CR1/15‘152dV Chip Resistor 1.5k 1/16W
R55 1 CR1/16—681JV Chip Resistor 680 1/16W
IREIGOJQ T _3|CR1/16—224JV Chip Resistor 220k 1/16W
R6,18.33,47,48.52.53,86 8 CR1/16-102JV Chip Resistor 1k 1/16W
IR61 1FJR1/16-183dv Chip Resistor 18k I/16W
R66,87 2 CR1/16—154JV lgiip Resistor 150k 1/16W
R69 1SR1/lfi—223JV Chip Resistor 22k View _|
R7,I0.29.31,32.36,37,38,39,51,72
R70,71
_|_
11 CR1/16—101JV
[— 2g1/16—562JV
Chip Resistor 100 1/16W 4
Chip Resistor 5.6k 1/16W
Ii376 1 CRi/16-472JV Chip Resistor 4.7k 1/1GW
R8 1 CR1/16-471JV Chip Resistor 470 1/16W
R84 1 CR1/167331JV Chip Resistor 330 1/16W _I
IC1 _| LM68731H _|PA Module
1C2 1 TA75354F OP AMP
ICG 1 TK11255BM 5.5V series regulator
|C4 IWB1505PFG-BND PLL IC
IGS 1 TA31136FN IF IC
ICE 1 TA7368F _]Spk AMP
IO? 1 TK1124OB _|4V series regulator _l
V001 _i_ 1 MVR—149T/R VCO
Symbol TC'ty F115 No. Description J
RVl A, 1 MVR32HXBR—N—292_l9hip Pot 2K 30mm
sz 1113361197»: VOL(10K)A
RV3 1 TPQSN97 szlflKJB
leJ 1 lZBMHz (UM—1) 12.8MHZ Crystal 030
XTL2 1 21.145 MHz (UM-1) L21.145MHZ Crystal 030
CPU CIRCUIT BOARD
R201.229,,230 231232233234 246. 248,
249,254
CR1/16—472JV
l§ymbol Q’ty Parts No, jgescription
0252 1 CIGOSJF1E474ZT Chip capacitor 047uF ]
0218 1 016080H1H271J Chip capacitor 270p
0219 . k] 1 C1608JBIH222K Chip capacitor 2200p
02201016080H1H681J Chip capacitor 6801)
P221 T101608CH1H821K Chip capacitor BZflp 1
'£222,224 2 CIGOSJF1A1052 Chip capacitor luF
0226227229 §l0_—1608JB1H103K Chip capacitor 0.01uF
0228 1 01608JF1H47GZ Chip capacitor 0.047uF
0231,232,233,234.235,235,237,238,242, l— 15 ClfiOBJB1H102K Chip capacitor 10001)
243,244,246247248249 ‘
0239240241245 4 ClGUBCH1H101J Chip capacitor 100 pF
L9253 1 SK-1V224M—RA Chip Tantalum 0.22uF/35V
19317254 TE 2 SK3-1A475M-RA Chip Tantalum 4.7uF
0255 1 CIGOBJBIH223K Chip capacitor 0,022uF
C208,225.230.250.251 5 01608JF1E104Z Chip capacitor 0.1uF
D201 L 1 02028.2Y Zener Diode 8.2V
D202,203 2 BR1101F Chip LED SMT
JP203 1 52559—2290 Connector 2213 l
LCD201 1 NCA6300 LCD
0201 1 25A1298 ansistor
0202205 2 DT0144EE Digital Transistor NPN
0203 1 2SA1586-GR—T(SG) Transistor
0204 ( 1 2804851 Transistor J
Chip Resistor 4.7K 1/16W
i- r
Symbol Q'ty Parts No. Description J
R203 _1iCR1/16*224JV Chip Resistor 220K 1/16W
r1:1223 1 CR1/16—562JV {Chip Resistor 5.6K 1/16W
R224 1 CR1/16f682-JV Chip Resistor 618K 1/16W
LRZM - 1 CR1/16‘123JV Chip Resistor 12K 1/16W ‘i
w216217 3 CR1/16—272JV fhip Resistor 2.7K 1/16W
R219.220,238.239.252,256 _6iCR1/16—103JV Chip Resistor 10K 1/16W
R221 i— 1 CR1/16—101JV Chip Resistor 100 1/16W
R222 J leR1/1G-102JV Chip Resistor 1K 1/16W
R211,214,225,240,241.242,243,247 B CR1/16-104JV Chip Resistor 100K 1/16W
R226 1 CR1/16— 62 OKFV' fip Resistor 62K 1/16W
R227 1 CR1/16-69.8KFV Chip Resistor 69.8K 1/16W
£228 1 CR1/16—561JV Chip Resistor 560 1/16W
R202 _1|CR1/1S—362JV Chip Resistor 3.0K 1/16W
R212,215.218 3 CR1/16—473JV Chip Resistor 47K 1/16W
LR253 1 CR1/16—332JV Chip Resistor 3,3K 1/16W
[$5,237 _J 2 CR1/16—333JV Chip Resistor 33K 1/16W
R204,205,206,207 _4]CR1/16*683JV Chip Resistor 58K 1/16W
R245 -1 l|CR1/16—121JV Chip Resistor 120 1/16W
R250,251 2 CR1/16—221JV Chip Resistor 220 1/16W
R255 1 CR1/8-470JV Chip Resistor 47 1/8W 4
[244 1 CR1/16-153JV Chip Resistor 15K 1/16W
' R209 1 CR1/16—753JV Chip Resistor 75K 1/16W
E201.202.204 3 SOP—112HST Tact Switch
5203205206 3 SKHMPW Tact Switch
|0201 1 TCMC567C Tone detect _|
[C202 1 NJM3403 OPAMP
[£203 L 1E;D75303613K CPU 4 bit
|C204 1 93LC46X—CT EEPROM
rRV201 1 MVR32HXBR—N—203 Chip Pot 20K 3.0mm _J
RV2021MV—R34KXBR——N 103 Chip Pot 10K 3,0mm
I_X201 _I__1]PBRC4.19B 4.19MHZ Crystal
MAIN CIRCUIT BOARD
Symbol Q'ty Parts No, Description
01,3,28 AL 3 CISOSCH1H180JT Chip capacitor 181:
012,17 2 C16080H1H220JT Chip capacitor 221)
C13 1 ClSOSCH1HZ70JT Chip capacitor 27p
02 1 C16080H1H390JT jhip capacitor 39p
020,57 2 CIGOBCHTHSSOJT Chip capacitor 33p
021 ,24,64,72,73,88,105,106.107,115,116
11 C1608JF1E104ZT
Chip capacitor 041uF
023.37,62,78,79,80
6 C1608JB1H103KT
Chip capacitor OOIuF
025,68, 76,81 3293.95] 10
8 C1608JF1A1052
fChip capacitor 1u/10V
026,313,811
3 SK—lCIOSM-RA
Chip Tantalum 1uF/16V
(127,70
C4.8,10,11,14,15,16,18,192930313233,
34,35,36,39,43,44,45,49,50,52,54,55,56,60,
2 C1608JB1H222KT
35 C1608JF1HIOZZT
Chip capacitor 2200p
Chip capacitor 1000p
61, 67,71,85,91.108,109 J» (
C40 1 01608CHIH1R50T Chip capacitor 1.5pF
C46 * 1 C16080H1H01OCT Chip capacitor 1p
CS,6,41.42,47,48 (flQIGOBCI-HHISOJT Chip capacitor 13pF
C51 1 C16080H1HOR50T Chip capacitor 0.5pF I
053,611 11,112 4L01608CH1H101JT Chip capacitor 100p
058,66,87 3 CIGOSCHIHfiBOJT Chip capacitor 56p
07 1 C1608CH1H0300T Chip capacitor 3p
C74 W16080H1H910JT Chip capacitor 91p
C77 1 C1608JFIC224Z Chip capacitor 0422uF
082 IrSK4—1A336M-RC Chip Tantalum 33uF/10V
086 1 C16080H1H47OJT Chip capacitor 47p
r099,90 2 016080H1H221JT Chip capamtor 220p
09225565,75,83.94,99,100.113 10 SKSa1A475M—RA Chip Tantalum 4.7uF 4
£96 1 CIGUSCHIHIGODT Chip capacitor 10p
097 1 RES—(W221 M Capacitor 220uF/S.8V
098 1 SK3-1A106M—RB Chip Tantaium 10uF/10V
C117 4016080H1H150JT Chip capacitor 15p
0118 1 C1608JBIH472KT Chip capacitor 4700p
CV1 1 TZCO3P200A11O Trimmer Chip Capacitor 20;
Symbol Q'ty Parts No. Description
D12 2 188135 Antenna SW Diode
D3 1 188383 Chip Diode
D415 4h 2 DAN202KfT146 Chip Diode
FIL1 1 21U15A 21.6MHz Crystal Filter
FIL2 1 CDBM455CZ4 455KHz Ceramic Filter
FILS 1 CDBC4550X24 Disc 455KHz
JP] 1 52559-2290 Connector 22F'
JF’2 1 IL-S>2P—S2T2—EF Connector 2P
JP3 1LIL—S—5P—SZT2-EF Connector 5P
L124 3 E2—0 4~2.0—7TL Chip Coil 0.4 d: 7t
L3 1 E2—0.4—2,0>5TL Chip Coil 0,4¢ St
L5 3 1 LK2125—6RBK—T Chip Inductor 6.8uH
L617 2}E2-O.35~1.6—6TL *Chip Coil 0.35d) Gt
L8,13,18,19 fiLK2125flROK—T Chip Inductor 1.0uH
L9,11,14,16 4 132—0 3571.6—BTL Chip Coil 0.35 «I: St
L10,12,15,17 4 E2~043—1 0—5TR Chip Coil 0.3 a) St
01 1 2803357 Transistor
CH 1 2881188 lransistor
3012 1 DTCl44EUA Digital Transistor NF'N
C114 1 2504851 Transistor
015.16 2 ZSA1298—Y—T(IY) JrTransistor
019 1 DTCi14EKA— Digital Transistor NPN
T146(24) 1
02511284118 6 2804226 Transistor
03,417,9.10,17 6 2804116 fieneral Transistor
rm 1 CR1/8—151JV Chip Resistor 150 1/8W
R11‘28.58 3 CR1/16*333JV Chip Resistor 33k 1/16W
R12,14 2 CRi/16f121dv (Chip Resistor 120 1/16W _
R13 1 CR1/16-510JV Chip Resistor 51 1/16W
R15.19 2 CR1/1G-682JV Chip Resistor 618k 1/16W ..
R1G,27,41 3 CR1/16—222JV Chip Re5|stor 2.2k 1/16W
R17,62,68,73,80,85 6 CR1/16—332JV Chip Resistor 3.3k 1/16W
R24 2 CRT/16-431JV Chip Resistor 430 1/16W ‘
Symbol Q'tyAParts No lDescription
R20,22,24,45.56,74‘75‘78,81 L 9 CR1/16p103JV Chip Resistor 10k 1/16W
R21,40,46‘50,67,53 6 CR1/16—104JV Chip Resistor 100k 1/16W
R23 1 CR1/16f334JV Chip Resistor 330k I/IGW
R25 1 CR1/16f162JV Chip Resistor 1.6k 1/16W
R3 1 CR1/16~120JV Chip Resistor 12 1/16W
R30 LCRI/iG—ISIJV Chip Resistor 150 VIEW
R34 __k 1 CR1/16—563JV _.Chip Resistor 56k 1/16W
R35 J! 1 CRl/IS—SZOJV Chip Resnstor 82 1/16W
R42‘43,44 3 CR1/16—473JV lChip Resistor 47k 1/16W
R49,59 L 2 CR1/16—221JV Chip Resistor 220 1/16W
R5,9 2 CR1/10—100JV Chip Resistor 10 1/10W
R53 1 CRi/16—824JV Chip Resistor 820k 1/16W
R54 1 CR1/16-152JV Chip Resistor 1.5k 1/16W
R55 1 CR1/16—681JV Chip Resistor 680 1/16W
R57‘60,79 3 CR1/16—224JV Chip Resistor 220k 1/16W
R6,18,33,47,48‘52,63,86 8 CR1/16~102.JV Chip Resistor 1k 1/1GW ‘1
R61 LCR1/16—183JV Chip Resistor 18k 1/16W
R66‘87 2 CR1/16—154JV Chip Resistor 150k 1/1GW
R69 1 CR1/16—223JV Chip Resistor 22k 1/16W
R7,1029,31,32,36,37,38.39,51,72 11ACR1/16—101JV Chip Resistor 100 1/16W
R70‘71 ZJCR1/1fif562JV Chip Resistor 5.6k 1/16W
R76 L 1 CR1/16—472JV Chip Resistor 4,7k 1/16W
R8 1 CR1/16—471JV Chip Resistor 470 1/16W
R84 1 CR1/16—331JV Chip Resistor 330 VIEW
IO] 1 M68731H PA Module
IO? 1 TA75854F OP AMP
rICS LTK112558M 5.5V series regulator
[04 1 MBlSOSPFGfBND PLL IC
ICE _L 1 TA31136FN IF IC
ICE 1 TA7368F Spk AMP
IC7 1 TK1124OB 4V series regulator _
VCOI 1 MVR—149T/R JVCO
Symbol O’ty Parts No, Description
RV1 1 MVRSZHXBR—Nf202 Chip Pot 2K 3.0mm
RV2 1 TP96N97N VOL(10K)A
RV3 1 TP96N97 SQ(10K)B
XTL1 F fi128MHz (UM—I) 12.8MH2 Crystal 030
XTL2 1 21,145 MHz (UM—1) 211145MHz Crystal 030
CPU CIRCUIT BOARD
Symbol O'ty Parts No, JDescription
0252 1 C1608JF1E474ZT Chip capacitor 047uF
C218 1 Cl BOSCH1H271J Chip capacitor 270p
0219 1 C1608JB1H222K Chip capacitor 2200p
0220 1rCIGOSCH1H681J Chip capacitor 680i)
C221 1 C16080H1H821K Chip capacitor 820p
0222224 T 2r01GO8JF1A1052 Chip capacitor 1uF h—I
0226227229 SLCIGDBJBi H103K Chip capacitar 0.01uF
0228 1 CIGOBJF1H47SZ Chip capacitor 0.047uF
0231,232i2331234,235,236237238242, 15 C1608JB1H102K Chip capacitor iOOOp
248,244,246247248249 J!
0239240241245 4 C16080H1H101J Chip capacitor 100 pF
C253 1 SK-1V224MfRA Chip Tantaium 0.22uF/35V
0217254 2 SKGf1A475M-RA Chip Tantalum 4.7uF
0255 1 C1608dB1H223K Chip capacitor 0,022uF
0208225230250251 5 C1608JF1E1042 Chip capacitor 011uF
0201 1 02028 2Y Zener Diode 8.2V
D202,203 2 BR1101F Chip LED SMT
JPZOS 1&2559—2290 Connector 22P
LCD201 1 NCAGSOO LCD _{
13201 I 28A1298 Transistor
0202205 2 DTCI44EE Digitai Transistor NPN a
0203 1 2SA1586fGR-T(SG) Transistor
Q204 1 2304851 lTransistor
R201229,230,231232233234246248,
249,254
11
CR1/1Bf472JV
Chip Resistor 4.7K 1/1GW
Symbol Q'ty Parts No. Description
R203 1 CR1/16-224JV Chip Resistor 220K 1/16W
R223 1 CR1/16—562JV Chip Resistor 5.6K 1/16W
R224 1 CR1/16—682JV JChip Resistor 6.8K 1/16W
R214 1 CR1/16—123JV JOhip Resistor 12K 1/16W
R213,216,217 SER1/16—272JV Chip Resistor 2.7K 1/16W
R219,220,238,239,2521256 6 CR1/16—103JV Chip Resistor 10K 1/16W
L8221 1 CR1/16—101JV Chip Resistor 100 1/16W
R222 __ 1 CR1/16r102JV Chip Resistor 1K 1/16W
R211214225240241242,243,247 8 CR1/16f104dV Chip Resistor 100K 1/16W
R226 1 CR1/16s6210KFV Chip Resistor 62K 1/16W
R227 1.9R1/16-6913KFV Chip Resistor 69.8K 1/16W
R228 LCR1/16—561JV Chip Resistor 560 1/16W 1
R202 1 CR1/18—3G2JV Chip Resistor 3.6k 1/16W
R212,215‘218 3 CR1/16—473JV Chip Resistor 47K 1/1GW
R253 J! _1_{CR1/1Gr332JV Chip Resistor 3.3K 1/16W
R236.237 2 CR1/16—333dv Chip Resistor 33K 1/16W
R204‘205,206.207 4 CR1/16—683JV flChip Resistor 68K 1/16W
R245 A 1 CR1/16-121JV Chip Resistor 120 1/16W
R250,251 2 CR1/16—221JV Chip Resistor 220 1/16W
R255 I CR1/8s470JV Chip Resistor 47 l/BW
R244 1— 1 CR1/16—153JV Chip Resistor 15K 1/16W
R209 LCR1/16—753JV Chip Resistor 75K 1/16W
5201202204 3 SOP—112HST Tact Switch
8203205206 3 SKHMPW Tact Switch
[0201 1 LM0567C Tone detect
IC202 1 NJM3403 OPAMP
10203 1 uPD753036GK rCPU 4 bit
I0204 1 93LC46X—CT EEPROM
RV201 ILMVRSZHXBR~N—203 Chip Pot 20K 3.0mm
RV202 1 MVR34KXBR—N-103 Chip Pot 10K 310mm
X201 j. 1 PBRC4.195 4119MHz Crystal
SECTION 7
APPENDIX
7.1 VHF MARINE CHANNEL USAGE GUIDE AND LICENSING
REQUIREMENTS
5000 March 1990.
REMEMBER:
- Maintain a radio watch on Channel 16. Channel 16 is used for distress and
safety purposes only.
Use VHF Channel 70 only for Digital Selective Calling (DSC). It may be used
for general-purpose calling using DSC. Your cooperation in not using Channel
70 for general intership communications is necessary to prevent interference.
Your VHF transceiver has a high-low power switch. Use low power whenever
feasible. Unnecessary high-power operations can interfere with other impor-
tant communications.
Always use your radio call sign at the beginning and end of each transmission.
~ Be sure only qualified persons operate your radio. You are responsible for con-
trol of your radio. Know the rules.
Limit calls to other vessels to 30 seconds. If you receive no reply, wait 2 min-
utes; then try again. Keep communications brief and avoid chit-chat.
- Never transmit false distress messages, and never use profanity on the air.
OTHER REMINDERS:
You need a radio operator license to operate VHF Marine Radio only if you plan to dock
in a foreign port or leave a foreign port to dock in a U.S. port.
- Your radio license is n_ot transferable. It you sell your boat, request the FCC to
cancel your station license.
if you replace your radio, you do not need to change your license unless the new radio
operates on another frequency band. it you install equipment to operate on anotherlre-
quency band, apply tor modification of your license.
- If you carry more than six passengers for hire, your vessel must be certified as
a passenger—carrying vessel by the FCC and the Coast Guard.
Licensing Requirements for Hand Held Portable VHF Marine Transceivers 10
Watts Power or Less
VHF Marine hand held transceivers can be operated and licensed as follows:
a) Associated Ship Unit: A hand held VHF Marine transceiver can be operated un-
der an existing valid ship station license under the following conditions only:
i) Except for safety purposes, the hand held transceivers must be used only
to communicate with the ship station with which it is associated, Such as'
sociated ship units MAY NOT be operated from shore.
ii) The transmitting power is limited to ONE WATT only.
iii) The hand held transceiver must be identified by the call sign of the ship
station along with its associated unit designator.
tb) Portable Ship Station: The Commission may grant a station license permitting
operation of a portable ship station aboard diflerent vessels of the United
States. Each application (FCC Form SOS-Application tor a Ship Radio Station
License) for a portable ship station license must include a showing that:
i) The station will be operated aboard a vessel.
ii) A station license for portable equipment is necessary to eliminate separate
applications to operate a ship station aboard different vessels.
c) Marine Utility Station: A utility station in the maritime mobile service consists of
one or more hand held transceiver units licensed under a single authorization,
Each unit is capable of operating while being hand carried by an individual.
There are two types ot stations authorized:
i) Marine Utility Coast— when transmitters are located on land; may commu-
nicate directly to vessels only.
ii) Marine Utility Coast/Ship — transmitters from land may communicate with
vesselsor when aboard a vessel, may communicate with other vessels or
coast stations.
NOTE: A Marine Utility Ship license will not be authorized.
a station operates under the rules app|icable to a private coast station when the uhit
are on land and under the rules applicable to a ship station when the unit (5) are
card a vessel. FCC Form 503, application for Land Radio Station License is used
en applying for a marine utility License.
USAG E GUIDE
@ n ‘I
EMancy Culling Monitoring inunn-p Sunny 0 s. Con! Gum
“ @ . E]
Pan cunt-on: Mann-mu! (7mm um Om
E 5 9
~, 5,
ill/I'll”!
5“! Comm! Emlrflfimfl
WMM
Emergency
Channel 16
ll :
- Your ship is sinking, or on fire
0 Someone has been lost overboard
- There exists grave and imminent danger
Use this distress procedure:
- Select Channel 16
- Say “Mayday, Mayday, Mayday."
Give call sign and boat name
- Give location ol boat
- Describe emergency
- If no answer, repeat; then try and other channel
Caution:
Every ship at sea is obliged to give absolute priority to radio communications re-
lating to ships in distress - it is vital that false distress calls or messages not be
broadcast.
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 that working channel
It — you wish to establish communications with another station
And — you do not know what working channel the station may be monitoring
Then — initiate the call on channel 16. After contact is made switch to a working
channel.
NOTE: Due to congestion on channel 16 caused by frequent hailing at other
vessels, the FCC has approved channel 9 as a second hailing channel.
Avoid excessive calling and radio checks
Always monitor belore transmitting
Never interrupt emergency communications
Monitoring
Channel 16 a Working Channel
When — your VHF station is turned on and it is not being used to exchange commu-
nications
You Must — monitor channel 16
As an operating convenience, many stations employ a second receiver so that they
can monitor a working channel and channel 16 simultaneously.
Intership Safety 1
Channel: 6 i
Vessels: Any
Use: Communicating navigational and weather warnings to other ships ;
Communicating with US. Coast Guard stations or other vessels during search and 5
rescue operations 4
Between: Ship-to-ship only
Comments: Do not use lor routine communications. This is a safety channel.
U.S. Coast Guard
Channel: 22
Vessels: Any
Use: Working channel for exchange of communications with stations of the US.
Coast Guard
Between: Ship to US. 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
Channel: 13
Vessels: Any
Use: Safety communications pertaining to the maneuvering of vessels or the direct-
ing of vessel movements
Primarily 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 tor routine operations.
“£5.
Port Operations
Channels: 5, 12, 14, 20, 65, 66, 73, 74, [77]
Vessels: Any
Use: Messages relating to the operational handling, movement and safety of vessels
in or near ports, locks and waterways
Between: Ship-to-ship or ship-to—coast
Comments: Channel 77 is limited to communications to and from commercial pilots
concerning the movement and docking of vessels.
Note: Channels 11. 12, 13 and 14 are used for vessel traffic service on the Great
Lakes, St. Lawrence Seaway and designated major ports.
©
\\
3 Non Commercial (Boat Operations)
Channels: 9, 68, 69, 71, 72, 78
Vessels: Recreational boats and any others not used primarily for commercial trans-
port.
Use: Communications pertaining to the needs of the vessel (ile‘, fishing, rendez-
vous, maneuvers, berthing, scheduling ol repairs, provisioning, elct)
Between: Ship-to-ship or ship to limited coast stations
Comments: Channel 72 may not be used for ship to coast communications. Channel
9 is shared with Commercial users
It you regularly monitor one of these channels with a second receiver, please notify
frequently-called stations of this practice. Help reduce congestion on channel 16
Commercial
Channels: 7, 8, 9, 10, 11, 1B, 19, 67, 79, 80, [88]
Vessels: Those used primarily lor commercial transport of persons or goods, or en-
gaged in servicing other vessels
Use: Communications pertaining to the purpose lor which the vessel is used
Between: Commercial transport vessels (ship-to-ship) or between commercial
transport vessels and limited coast stations
Channels 8, 67 and 88 may not be used for ship-to-coast communications
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, 28. 27, 28. 84, as, as, 87, as
Vessels: Any
Use: To place a telephone call to any location in the world or to a vessel outside of
your transmitting range
Between: Vessels and public coast stations
Comments: Contact the marine operator on the channel assigned to your navigating
area. It unable to determine this channel, use channel 16.
Be patient. Do not interrupt calls in progress. Avoid excessive calling it the operator
does not answer — give the operator a chance to reply.
State Control
Channel: 17
Vessels: State and local government
Use: Coordination, regulation and control of boating activities and the rendering of
assistance to vessels.
Between: Ship and coast stations associated with state and local governments.
Environmental
Channel: 15
Vessels: Any (receive only)
Use: Broadcast 01 information concering the environmental conditions in which ves-
sels operate-weather, sea conditions, time signals. notices to mariner, hazards to
navigation
Between: One-way broatdcast from coast to ship stations
Note: Currently used tor Class C EPIRB emergency signals.
"UHF!
Weather
Channels: WX1, WX2, WX3
Vessels: Any
Use: Continuous weather information from NOAA (National Oceanic and Atmo-
spheric Administration)
Between: One—way broadcast from NOAA to any interested parties
Comments: Receive only. You are not allowed to transmit on these frequencies:

---

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