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VHF Marine Radio Protocols

Intro

Operation

Customer

Assistance

Warranty

Notice

Main Icons

Secondary Icons

Caution

Warning

Installation

Customer

Assistance

Operating Your Radio

23

Nothing 

Comes Close to a Cobra

®

22 English

VHF Marine Radio Protocols

Intro

Operation

Customer

Assistance

Warranty

Notice

Main Icons

Secondary Icons

Caution

Warning

Installation

Customer

Assistance

Installation

Getting Started

 

Getting Started

Refer to the foldout at the front of this manual to identify the 
various controls and indicators on your radio. Throughout this 
manual you will be instructed to “Press” or to “Press and 
Hold” various buttons (except “Push to Talk”) on the radio. 
“Press” means a momentary press of approximately one (1) 
second. “Press and Hold” means to hold the button down for 
approximately two (2) seconds.
Whenever you press any button except the 

Talk

 button on your 

radio, a brief tone (beep) (if key tones are selected On) will 
sound to confirm the button press. With all button presses, the 
appropriate icon will appear on the LCD and the backlight will 
turn On. The backlight will stay On for 10 seconds after the 
button is released.
At times, you will hear two (2) other sounds. Two (2) beeps will 
sound to confirm your setting changes and three (3) beeps will 
sound to notify you of an error.

On/Off/Volume Control 

(Counterclockwise)

On/Off/Volume Control 

(Clockwise)

MEM

SAME

VOX

HI

ROG

VHF

GMRS

T

R

X

U

HH450 Radio

Common Radio Functions

The following procedures define common operating functions of the radio when in

Marine Standby

, 

GMRS Standby

, or 

Weather (WX) Standby

 modes.

   

Power/Volume Control

Power On/Off Control

The 

On/Off/Volume

 control is located at the upper right 

side of the radio. Turning the 

On/Off/Volume

 control past 

the detent position will turn the radio On or Off.

Volume Control

Volume is controlled by turning the 

On/Off/Volume

 control.

n

  To increase the volume, turn the 

On/Off/Volume

 control 

clockwise.

n

  To decrease the volume, turn the 

On/Off/Volume

 

control counterclockwise.

Band Control

The 

Band

 button allows you to select between the 

Marine 

(VHF), GMRS and weather bands

. Press and release 

the band button to quickly toggle between the three radio 
bands.

Getting Started

MEM

SAME

VOX

HI

ROG

VHF

GMRS

T

RX

U

Band Button

Summary of Contents for MR HH450 DUAL

Page 1: ...ra product will give you many years of reliable service How Your Cobra Marine VHF Radio Works This radio is a battery powered portable transceiver for use afloat It gives you 2 way vessel to vessel and vessel to shore station communications primarily for safety and secondarily for navigation and operational purposes With it you can call for help get information from other boaters talk to lock or b...

Page 2: ...either on land or water VHF can be used for two way vessel to vessel and vessel to shore station communications GMRS can be used for small group communication such as in a general residential area or during recreational group outings Note GMRS radio usage requires an FCC License Rewind Say Again Replays missed VHF and GMRS calls Locking Desktop Charger Holds the radio or battery in place while cha...

Page 3: ...50 Operating Your Radio 51 Maintenance and Troubleshooting 56 Specifications 57 Warranty and Trademark Limited 3 Year Warranty 58 Trademark Acknowledgement 58 Customer Service Product Service 59 FCC Licensing Information VHF Licensing Information 60 GMRS Licensing Information 62 Appendix GMRS FRS Frequency Allocation and Compatibility 63 VHF Marine Channel Assignments 64 Weather Channel Assignment...

Page 4: ... injury or loss of life NOTICE Statements identify conditions that could cause damage to the radio or other equipment Safety Training Information This Cobra VHF GMRS Dual Band radio also complies with the following guidelines and standards regarding RF energy and electromagnetic energy levels as well as evaluation of those levels for human exposure n FCC OET Bulletin 65 Edition 97 01 Supplement C ...

Page 5: ...ns Caution Warning Installation Customer Assistance Recommendations for Marine Communication The frequencies your radio uses are set aside to enhance safety afloat and for vessel navigation and operational messages over a range suitable for nearshore voyages If the 6 watt maximum output of your radio is not sufficient for the distances you travel from the coast consider a higher powered handheld o...

Page 6: ...vessel use You may also call on ship to ship channels when you know that the vessel is listening on a ship to ship channel Initial Calling on Channel 16 or 9 The use of Channel 16 is permitted for making initial contact hailing another vessel The limits on calling must be followed Be reminded Channel 16 s most important function is for Emergency Messages If for some reason Channel 16 is congested ...

Page 7: ... is open quiet press the Talk button and call a vessel Hold the radio or microphone several inches from your face and speak clearly and distinctly in a normal voice tone Say name or station being called THIS IS your vessel name or call sign n Once contact is made you must leave Channel 16 and go to another working channel See channel listing on page 60 The vessel Corsair is calling the vessel Vaga...

Page 8: ...ansmission is NOT private as it is on a regular telephone Both sides of the conversation are being broadcast and can be heard by anyone who has a radio and tunes to the channel you are using Emergency Messages and Distress Procedure The ability to summon assistance in an emergency is the primary reason to have a VHF marine radio The marine environment can be unforgiving and what may initially be a...

Page 9: ... of the emergency unless the message relates directly to the emergency If you hear a distress message from a vessel stand by your radio If it is not answered YOU should answer If the distressed vessel is not nearby wait a short time for others who may be closer to acknowledge Even if you cannot render direct assistance you may be in a position to relay the message MAYDAY PAN SECURITE Marine Distre...

Page 10: ...at transmit SAME alerts You must program your county parish or independent city or marine area into the radio NOTE DO NOT program your radio for a louder or clearer station not designated as a SAME channel You will not receive the local desired alerts The NWR service will then alert you only of weather and other emergencies for all areas programmed on this radio When an NWR office broadcasts a war...

Page 11: ...e supplied antenna Other antennas are strictly prohibited for use with this device Cet émetteur radio IC 906A MRHH450 a été approuvé par Industrie Canada pour fonctionner avec l antenne fournie D autres antennes sont strictement interdits pour une utilisation avec cet appareil Batteries and Charger The radio is shipped with a sealed lithium ion LiON battery pack P N CM 110 026 that is rechargeable...

Page 12: ...the charger 1 Insert one 1 of the power cords into the back of the drop in charger 2 Insert the other end of the power cord into the appropriate 12V or 120V power source 3 Remove battery pack spacer from the charger and insert the entire radio battery into the charger The metal charge contacts on the battery will contact the mating prongs in the charger to transfer the charging current 4 Observe t...

Page 13: ...e battery pack run low on power and need to be recharged The radio will transmit at full power when using five 5 new AA alkaline batteries WARNING Never attempt to recharge alkaline batteries They are not made to be recharged and should be disposed of in a proper manner Batteries and Charger VHF Marine Radio Protocols Intro Operation Customer Assistance Warranty Notice Secondary Icons Caution Warn...

Page 14: ... and the backlight will turn On The backlight will stay On for 10 seconds after the button is released At times you will hear two 2 other sounds Two 2 beeps will sound to confirm your setting changes and three 3 beeps will sound to notify you of an error On Off Volume Control Counterclockwise On Off Volume Control Clockwise MEM SAME VOX HI ROG VHF GMRS T R X U HH450 Radio Common Radio Functions Th...

Page 15: ... T R X C I U MR HH350 450 500 LCD DISPLAY UPDATE REV 7 19 17 Currently On Channel 88 VHF Marine Radio Protocols Intro Operation Customer Assistance Warranty Notice Secondary Icons Caution Warning Installation Customer Assistance Operating Your Radio 24 English Getting Started Radio Speaker and Microphone The internal Radio Speaker and Microphone are located on the bottom front face of the radio be...

Page 16: ...ing for short range communications You will conserve battery life and avoid overpowering nearby stations with a low power setting signal Use the high power setting for long range communications or when you do not receive a response to a signal sent at 1 watt To Toggle Between H M L Power Modes Press and release the H M L Power button The LCD will show which mode is in effect Some channels are rest...

Page 17: ...Map Icon MEM SAME VOX HI ROG VHF GMRS T R X U Channel Up Down Buttons Squelch Control Squelch Control filters weak signals and radio frequency RF noise so that you will clearly hear the signals you want The Squelch Control on this radio is set through the following keypad operation To Set Squelch Control 1 With the power On push and hold Call Enter Setup button to access the Setup menu 2 Squelch c...

Page 18: ...visible when VOX is On 1 The display will show VOX LEVEL and the current level will be flashing 2 Press Channel Up Down button to change the Vox level of your choice Remember this selection is your voice sensitivity level during hands free operation 05 indicates a Low quiet voice setting 03 indicates a Medium voice setting 01 indicates a High loud voice setting 3 Press Call Enter Setup button to s...

Page 19: ... will be displayed when On 3 Press Call Enter Setup button to save this entry and move to the next Setup mode programming Key Tone Mode In Key Tone mode an audible tone will sound each time a button is pressed or you change a setting To Set Key Tone On or Off 1 Display will show Key Tone icon flashing and matrix will display KEY TONE ON or OFF 2 Press Channel Up Down button to select ON or OFF 3 P...

Page 20: ...ion Warning Installation Customer Assistance NOTE Proceed to SAME programming section if SAME has been selected To Set WX Auto Search SCAN On or Off 1 Display will show WX Alert icon and SCAN ON or OFF is flashing 2 Press Channel Up Down button to select SCAN ON or OFF 3 Press the Call Enter Setup button to save entry Intro Operation Customer Assistance Warranty Notice Main Icons Secondary Icons C...

Page 21: ...xnw htm 5 The display will show or last entered FIPS code One 1 digit in display will be flashing 6 Press Channel Up Down button to select first digit 7 Press and release Call Enter Setup button to advance to next digit code Press and release MEM ESC button to back up Repeating press and release of the MEM ESC button will back up to the top level 8 Continue steps 5 to 7 until all six 6 digits are ...

Page 22: ...d move to the next Setup mode programming Intro Operation Customer Assistance Warranty Notice Main Icons Secondary Icons Caution Warning Installation Customer Assistance NOTE If the Squelch is set so that you can hear a continuous hissing sound the Memory Scan and Tri Watch functions will be blocked MEM SAME VOX HI ROG VHF GMRS T R X U Call Enter Setup CTCSS and DCS Coding Mode Continuous Tone Con...

Page 23: ...by background noise To turn VOX Mode On or Off 1 Display will show VOX icon and ON or OFF flashing 2 Press Channel Up Down button to select ON or OFF 3 Press Call Enter Setup button to save this entry and move to the next setup programming mode Intro Operation Customer Assistance Warranty Notice Main Icons Secondary Icons Caution Warning Installation Customer Assistance NOTE Once set this is a glo...

Page 24: ...e icon flashing and the matrix will display KEY TONE ON or OFF 2 Press Channel Up Down button to select ON or OFF 3 Press Call Enter Setup button to save this entry Call Tone Select In Call Tone mode you can select the tone the radio will use when transmitting a Call 1 The display will show Call Tone Select and the current tone number will be flashing 2 Press Channel Up Down to select the tone you...

Page 25: ...Advanced Operation Advanced Operation Tri Watch Setup To Program or Edit the Tri Watch Channels 1 Press and hold the TRI WATCH button from Marine or GMRS Standby mode for two 2 seconds to activate Tri Watch Setup mode The MEM icon on the display will turn On and the matrix will display TW MEM ENTER 01 Intro Operation Customer Assistance Warranty Notice Main Icons Secondary Icons Caution Warning In...

Page 26: ...t 7 Press and hold the MEM ESC button for two 2 seconds This will return the radio to Memory mode 8 Press and release the MEM ESC button again to return to Marine or GMRS Standby mode MEM SAME VOX HI MEM ESC Button MEM SAME VHF U A Memory Location Number MEM SAME VOX HI ROG VHF GMRS T R X U Channel Up Down Buttons MEM SAME VHF U A Channel Number To Recall a Stored Memory Location 1 Press the MEM E...

Page 27: ...o will return to Marine or GMRS Standby mode SCAN Button SAME LO VHF U A Scan Display MEM SAME VOX HI ROG VHF GMRS T R X U Channel Up Down Buttons To Enter Memory Location Scan 1 From Marine or GMRS Standby mode press the MEM ESC button 2 Press the SCAN button The radio will immediately begin to scan all pre assigned memory channels The MEM icon will show on the LCD and MEM CHAN SCAN will display ...

Page 28: ...tions This means it s designed to operate properly after being submerged in one meter deep water for 30 minutes NOTE Do not leave the radio floating in water permanently This could cause premature corrosion of the battery contacts and other damage The radio is only designed to float with its included Lithium ion battery Using other approved batteries might cause the radio to sink This includes the...

Page 29: ...ther Alert Standby WX H M L Button Weather Standby Mode To enter and exit the Weather Standby mode press and hold the WX H M L button or press the BAND key Receiving a Weather Alert NOAA broadcasts weather information as described in the NOAA weather channels section on page 75 of this manual When NOAA broadcasts a weather alert signal and your radio is in WX Alert Standby mode the following items...

Page 30: ...e Talk button is released Battery Power icon is held at the level it was at during receive Intro Operation Customer Assistance Warranty Notice Main Icons Secondary Icons Caution Warning Installation Customer Assistance NOTE If the Talk button is held down for five 5 minutes the radio will automatically sound a series of beeps and cease transmitting to prevent unwanted signal generation and battery...

Page 31: ...oth at least once a day to prevent buildup of salt deposits which could interfere with button operation n If the radio will be stored for a long period such as over the winter remove the batteries from the battery tray and store them in a separate package This is especially important if you are using alkaline batteries Troubleshooting Specifications Specifications General Number of Channels All U ...

Page 32: ...y statement above for full warranty details and exclusions Standard accessories packaged with each model will have a one year factory warranty Accessory items have a one year factory warranty Shipping to our facility is not covered in our warranty Return shipping is included within the US This warranty is non transferrable For the sake of clarity repair or replace the Product or its defective part...

Page 33: ...l will be entering the sovereign waters of a country other than the U S A or Canada you should contact that country s communications regulatory authority for licensing information Radio Call Sign Currently the FCC does not require recreational boaters to have a license The United States Coast Guard recommends that the boat s registration number and state of registry e g IL 1234 AB be used as a cal...

Page 34: ...red to have an FCC license Because this radio operates in the 1 to 5 watt GMRS power range all GMRS rules apply and will require you have a GMRS license even for FRS Family Radio Service communication Normal FRS only radios operate at a maximum power of 1 2 watt 500 milliwatt power and have an integral non detachable antenna GMRS FRS Frequency Allocation and Compatibility The channel numbers in th...

Page 35: ...s Canales 67 68 69 71 72 78A 79A 80A Canales activos para pequeñas embarcaciones Los mensajes deberán estar relacionados con necesidades de las embarcaciones como por ejemplo informes de pesca atraques y agrupamientos Use el canal 72 solamente para mensajes entre embarcaciones Comerciales Canales 1A 7A 8 9 10 11 18A 19A 63A 67 72 79A 80A 88A Canales activos para embarcaciones activas solamente Los...

Page 36: ...ed to the listed uses in certain parts of the country or for certain types of users only Consult FCC rules or a knowledgeable radio operator before using them Correspondencia pública operador marítimo Canales 84 85 86 87 87A 88 Para llamadas a operadores marítimos en estaciones costeras públicas Usted puede realizar y recibir llamadas telefónicas a través de estas estaciones Operaciones portuarias...

Page 37: ...ine Operator Correspondencia pública operador marítimo Port Operations Ship Movement operacionesportuarias movimientodeembarcaciones 05A 1005 156 250 156 250 Port Operations VTS in selected areas Operaciones portuarias VTS en áreas selectas 06 156 300 156 300 Intership Safety Seguridad entre embarcaciones 07 156 350 160 950 Public Correspondence Marine Operator Correspondencia pública operador mar...

Page 38: ...ons Ship Movement Operaciones portuarias movimiento de embarcaciones 19A 1019 156 950 156 950 Commercial Comerciales 1019 156 950 156 950 Port Operations Operaciones portuarias 2019 161 550 161 550 Port Operations Operaciones portuarias 20 157 000 161 600 1 watt CAN Canada Coast Guard Only International Canadá guardia costera solamente Port Operations Ship Movement Internacional operaciones portua...

Page 39: ...rine Operator Correspondenciapública operadormarítimo Port Operation Ship Movement operacionesportuarias movimientodeembarcaciones 1061 156 075 156 075 Canada Coast Guard Only West Coast Coast Guard Only East Coast Commercial Fishing 62 156 125 160 725 Public Correspondence Marine Operator Correspondenciapública operadormarítimo Port Operations Ship Movement operacionesportuarias movimientodeembar...

Page 40: ...156 675 U S Port Operations Canada Commercial EE UU operaciones portuarias Canadá pesca Fishing Only International Intership comercialsolamente Internacional comunicaciones Port Operations Ship Movement entre embarcaciones operaciones portuarias movimiento de embarcaciones 74 156 725 156 725 U S Port Operations Canada Commercial EE UU operaciones portuarias Canadá pesca Fishing Only International ...

Page 41: ...ovement Operaciones portuarias movimiento de embarcaciones 81A 1081 157 075 157 075 U S Government Only Environmental EE UU entidades gubernamentales solamente Protection Operations operaciones de protección medioambiental 82 157 125 161 725 Public Correspondence Marine Operator Correspondencia pública operador marítimo Port Operation Ship Movement operacionesportuarias movimientodeembarcaciones 8...

Page 42: ...C U S A and Industry Canada Canada They cannot be altered by the user nor can modes of operation be changed between simplex and duplex NOTA Muchos de los canales de números simples como 01 02 y 03 transmiten y reciben en diferentes frecuencias A esto se le llama operación dúplex El resto de los canales de números simples y todos los canales A como 01A 03A y 04A transmiten y reciben en una sola fre...

Page 43: ...g Holidays may also impact processing and shipping time frame Occasionally items may not ship due to inventory depletion If you need your item to be expedited we recommend calling Sales at 800 543 1608 Order Acceptance Once your order has been accepted and processed you will receive an email that will include the shipping carrier and tracking information Shipping and Delivery Free ground shipping ...

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