Cobra Electronics Marine Radio MRHH475FLTBTEU User Manual
Our Thanks to You and  
Customer Assistance  
Introduction  
Our Thanks to You  
•
Thank you for purchasing a CobraMarine® VHF radio.  
Properly used, this Cobra® product will give you  
many years of reliable service.  
Owner’s Manual  
How Your CobraMarine VHF Radio Works  
MICROBLUE  
This radio is a battery-powered, portable transceiver for use afloat. It gives you  
two-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 bridge tenders,  
and make radiotelephone calls to anywhere in the world through a marine operator.  
Customer Assistance  
Customer Assistance  
The Cobra Electronics Corporation  
line of quality products includes:  
•
Should you encounter any problems with this product, or not understand  
its many features, please refer to this owner’s manual. If you require further  
assistance after reading this manual, please contact your local dealer.  
CB Radios  
microTALK® Radios  
Radar/Laser Detectors  
Safety Alert® Traffic Warning Systems  
HighGear® Accessories  
CobraMarine® VHF Radios  
Power Inverters  
Accessories  
For Warranty, Product Service and  
Accessory Information  
Please contact your local dealer or distributor.  
See the enclosed leaflet that provides contact  
information for the CobraMarine international  
distributors.  
VHF MARINE RADIO  
For more information or to  
order any of our products,  
please visit our website:  
www.cobra.com  
MRHH475 FLTBTEU  
©2010 Cobra Electronics Corporation  
6500 West Cortland Street  
Chicago, Illinois 60707 USA  
www.cobra.com  
English  
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English  
Table of Contents  
Introduction  
Introduction  
Our Thanks to You . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1  
Customer Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1  
Radio Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A2  
Backlit LCD (Liquid Crystal Display) Screen . . . . . . . . . . . . . . . . . . . . . . . . A3  
Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A3  
Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Recommendations for Marine Communication . . . . . . . . . . . . . . . . . . . . . . 4  
Licensing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Installation  
Included in this Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Wrist Strap and Belt Clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Batteries and Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Operating Your Radio  
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Setup Mode Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
Bluetooth® Mode Pairing and Programming . . . . . . . . . . . . . . . . . . . . . . . . 21  
ATIS ID Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
Standby/Receive and Transmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26  
Advanced Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
Rewind Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33  
Mobile Phone Operation with Bluetooth® . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
Floating Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40  
Maintenance and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41  
VHF Marine Radio Protocols  
VHF Marine Radio Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42  
Voice Calling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43  
Radiotelephone Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44  
Emergency Messages and Distress Procedure . . . . . . . . . . . . . . . . . . . . . 44  
Trademark Specifications and Accessories  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48  
Trademark Acknowledgement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49  
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49  
Appendix  
VHF Marine Channel Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50  
Declaration of Conformity and CE Marking . . . . . . . . . . . . . . . . . . . . . . . . 60  
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Important Safety Information  
and General Precautions  
General Precautions  
Introduction  
Introduction  
WARNINGS  
Important Safety Information  
Before installing and using your CobraMarine VHF radio, please read these  
general precautions and warnings.  
•
Your radio generates electromagnetic RF (radio frequency) energy when it is transmitting.  
To ensure that you and those around you are not exposed to excessive amounts of  
that energy, DO NOT touch the antenna when transmitting. KEEP the radio at least  
5 cm (2 inches) away from yourself and others when transmitting.  
Warning and Notice Statements  
To make the most of this radio, it must be installed and used properly.  
Please read the installation and operating instructions carefully before installing  
and using the radio. Special attention must be paid to the WARNING and NOTICE  
statements in this manual.  
DO NOT transmit more than 50% of the time the radio is in use — 50% duty cycle.  
The radio is transmitting when the Talk button is pressed and the transmit  
information shows on the LCD screen.  
ALWAYS use only Cobra authorized accessories.  
WARNING  
DO NOT operate the radio in an explosive atmosphere, near blasting sites,  
or in any area where signs are posted prohibiting radio transmissions.  
Statements identify conditions that could result in personal injury or loss of life.  
NEVER place the transceiver or microphone/speaker where they might interfere  
NOTICE  
with operation of your vessel or cause injury.  
Statements identify conditions that could cause damage to the radio  
or other equipment.  
DO NOT allow children or anyone unfamiliar with proper procedures to operate  
the radio without supervision.  
Failure to observe any of these warnings may cause you to exceed recommended  
RF exposure limits or create other dangerous conditions.  
General Precautions  
•
The following WARNINGS and NOTICE information on the following page will make  
you aware of RF exposure hazards and how to assure you operate the radio within  
the recommended RF exposure limits established for the radio.  
NOTICE  
Your radio is waterproof only when the batteries are properly installed.  
Changes or modifications to your radio MAY VOID its compliance with government  
rules and make it illegal to use.  
AVOID using or storing the radio at temperatures below -20˚C (-4˚F ) or above  
60˚C (140˚F ).  
KEEP your radio at least 0,9 m (3 ft) away from your vessel’s magnetic  
navigation compass.  
DO NOT attempt to service any internal parts yourself. Have any necessary  
service performed by a qualified technician.  
This radio is supplied with a lithium-ion (LiON) rechargeable battery pack.  
n
Use only the Cobra charger to recharge lithium-ion (LiON) batteries in the radio.  
n
Do not short circuit the battery pack.  
n
When replacing the batteries, dispose of the old batteries properly. Batteries  
may explode if disposed of in a fire.  
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Marine Communication and  
VHR Marine Radio Procedures  
Licensing Information  
Introduction  
Introduction  
Recommendations for Marine Communication  
Licensing Information  
•
•
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 maximum output of your radio is not sufficient for the distances you travel from  
The radio operates on all currently allocated marine channels and is switchable for  
use according to International, Canadian or U.S.A. regulations. It features instant  
access to emergency Channel 16 by pressing one key.  
the coast, consider a higher powered handheld or installing a Cobra Marine fixed mount  
radio with up to 25 watts of output power. (Visit www.cobra.com or your local  
dealer for model availability.)  
If traveling far offshore, you should consider adding even more powerful radio  
equipment such as HF single side band or satellite radio for your vessel.  
Station License  
The UK requires a ship’s radio license and a marine radio operator’s certificate before  
transmitting equipment can be used aboard a vessel. Other European countries have  
specific requirements of their own.  
For detailed information and applications, contact the Radio Licensing Centre run  
by OFCOM in the UK. In other countries, contact the relevant national postal  
or telecommunications authority.  
The coastguard does not endorse mobile phones as substitutes for marine radios.  
They generally cannot communicate with rescue vessels and, if you make a distress  
call on a mobile phone, only the party you call will be able to hear you. Additionally,  
mobile phones may have limited coverage over water and can be hard to locate.  
If you do not know where you are, the coastguard will have difficulty finding you if  
you are using a mobile phone.  
However, mobile phones can have a place on board where mobile coverage  
is available — to allow social conversations and keep the marine frequencies  
uncluttered and available for their intended uses.  
Canadian or U.S.A. Station License  
If your vessel will be entering the sovereign waters of Canada or the U.S.A.,  
you should contact Industry of Canada, Radio Regulatory Branch or the U.S. FCC  
(Federal Communications Commission) for licensing and operating information.  
Radio Call Sign  
A radio call sign is included as part of the ship’s radio license in the UK.  
Other countries may have different practices; contact your local regulatory  
authority for information.  
VHF Marine Radio Procedures  
•
If you are not familiar with or need to brush up on the protocols that must be  
followed when using a VHF Marine Radio, please study the section beginning  
at page 42 before putting your radio into service.  
User Responsibility and Operating Locations  
All users are responsible for observing domestic and foreign government regulations  
and are subject to severe penalties for violations. The transmitting frequencies in  
your radio are reserved for maritime use; any frequency you use for transmission  
must be specifically included on your ships license. The VHF frequencies on your  
radio are reserved for marine use and require a special license to operate from land,  
including when your boat is on its trailer. The use of ATIS is prohibited outside the  
European inland waterways covered by the Basel Agreement.  
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Included in this Package  
Wrist Strap and Belt Clip  
Installation
Installation
Included in this Package  
Wrist Strap and Belt Clip  
•
•
You should find all of the following items in the package with  
your CobraMarine VHF radio:  
Wrist Strap  
Wrist Strap  
The radio comes with the wrist strap already attached.  
It can be easily removed if you choose not to use it.  
Radio  
Wrist Strap  
Drop-In Battery Charger  
Belt Clip  
Belt Clip Secured to Belt  
Use the spring-loaded belt clip to carry the radio on your  
person.  
1. Press open the belt clip, slide it over the belt and  
release the clip.  
2. Insert the round guide on the back of the radio into the  
guide channel on the back of the belt clip. The radio must  
be upside-down, as shown, to remove it from the belt clip.  
3. Once the knob is inserted all the way into the belt clip  
channel, the radio swings free but remains secure.  
Insert Knob onto Belt Clip  
Battery Charger Power Cord  
LiON Battery Pack  
Alkaline Battery Tray  
Secure Radio  
For connection to 12-volt and AC  
power sources.  
Operating Instruction Manual  
Spring-Loaded Belt Clip  
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Batteries and Charger  
Batteries and Charger  
Installation
Installation
Power Sources  
Batteries and Charger  
Initial Charge  
•
The Cobra-provided LiON battery pack may be charged at  
home, in a car or in a boat using the appropriate 12V DC  
power cord with the charger.  
1. Insert one (1) of the power cords into the back of the  
drop-in charger.  
LiON Battery Pack  
The radio is shipped with a sealed lithium-ion (LiON) battery  
pack (P/N CM 110-021) that is rechargeable.  
WARNING  
The charger provided for this radio is only to be used  
to charge the battery pack provided. Do not charge  
any other type of batteries in the charger as fire,  
explosion or battery damage will occur. Avoiding  
extreme room temperatures will also help prolong  
the life of the battery pack for the radio.  
2. Insert the other end of the power cord into the appropriate  
12V DC or 220V AC power source. The wall charger should  
be installed near the equipment and easily accessible.  
3. Remove the 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 that the red light on the front of the charger  
glows to indicate that the battery pack is properly seated  
and the charger is operating.  
5. Allow the batteries to charge for five (5) to six (6) hours  
before use. The light will change back to green when the  
battery is fully charged.  
Initial Battery Charge  
When your rechargeable batteries begin to discharge too  
quickly, it is time to install a new battery pack. Your radio  
will also operate with six (6) high-quality AA alkaline  
batteries, using the included alkaline battery tray.  
Installing the Battery Pack  
Install Battery Pack  
1. Position the battery pack to line up the two (2) external  
alignment tabs to the alignment slots in the radio.  
2. Engage the battery pack into the radio until battery pack  
is fully seated against the radio housing.  
WARNING  
Only the rechargeable LiON battery pack can be  
recharged. You MUST use one of the charging devices  
provided with this radio. Do not substitute any other  
type of charging adapter or charger base for this  
radio. Battery damage, fire or explosion may result.  
It is equally important to prevent the lithium-ion  
(LiON) battery pack from freezing to obtain best  
performance from the battery pack.  
3. Pivot the locking tab up until it snaps into place on the  
back of the battery pack.  
NOTE  
If the drop-in charger is used on a boat, Cobra  
recommends you attach it to a horizontal shelf or  
vertical bulkhead (using the screw holes provided)  
to prevent possible damage due to the boat rolling or  
pitching. The charging base has been designed to hold  
the battery pack in place during rough sea conditions.  
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Batteries and Charger  
Batteries and Charger  
Installation
Installation
Locking Tab  
Fully Charged  
To Remove Battery Pack from Radio  
Maintaining the Battery Charge  
As you use your radio, the battery power icon will show the  
battery power remaining. When the icon begins to flash, it is  
time to recharge or change the batteries.  
1. Pivot the locking tab off of the back of the battery pack  
to unlock.  
2. Lift the bottom of the battery pack slightly to remove  
it from the radio housing.  
3. Pull battery pack out of the radio housing.  
NOTICE  
Use only the drop-in charger provided by Cobra. Do  
not use the charger with alkaline batteries; only the  
LiON battery pack is rechargeable. Spent alkaline  
batteries must be discarded and replaced.  
Partially Charged  
NOTE  
Battery Pack Charging Only  
The LiON battery pack can also be charged in the  
battery charger without being installed in the radio.  
Insert the spacer into the battery charger to support  
the battery pack during this charging process. Follow  
the same procedures in “Initial Charge” to charge the  
battery pack.  
It is a good idea to keep a set of fresh, high-quality AA  
alkaline batteries with your radio. Should the rechargeable  
battery pack become discharged and no electrical power  
source is available, you can insert the included alkaline  
battery tray with fresh alkaline batteries and continue to  
use your radio.  
Fully Discharged  
NOTICE  
Lithium-ion (LiON) batteries are toxic. Please dispose  
of properly. Some marine suppliers accept old battery  
packs for recycling and some municipal waste disposal  
agencies have special provisions for battery disposal.  
NOTE  
Some radios with LiON batteries have AA or AAA  
battery packs which only allow low-power transmit.  
The AA battery tray included with the HH475  
and a fresh set of alkaline batteries will allow for  
full-power emergency transmissions.  
Alkaline Battery Tray  
Alkaline Batteries  
There is an alkaline battery tray (P/N CM 110-011) provided  
with this radio. The alkaline battery tray is provided as a  
backup or “Emergency” power source should the battery  
pack run low on power and needs to be recharged. The  
radio will transmit at full power when using six (6) 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.  
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Getting Started  
Getting Started  
OperatingYourRadio
OperatingYourRadio
Speaker/Mic Port  
Radio Speaker and Microphone  
The internal Radio Speaker and Microphone are located on the  
bottom front face of the radio below the lower control buttons.  
An optional Speaker/Microphone port is located at the top  
of the radio between the antenna and the Power/Volume  
control. Unthread the Speaker/Microphone port cover to access  
and install an optional speaker or microphone into this port.  
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.  
HH475 Radio  
Talk Button  
Talk Button  
Whenever you press any button except the Talk button on  
your radio, a brief tone (beep) 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.  
Press and hold the Talk button to transmit messages.  
Release the Talk button to stop transmitting.  
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.  
Common Radio Functions  
The following procedures define common operating functions of the radio when in  
Marine Standby mode.  
Power/Volume Control  
On/Off/Volume Control  
(Clockwise)  
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.  
On/Off/Volume Control  
(Counterclockwise)  
n To increase the volume, turn the On/Off/Volume  
control clockwise.  
n To decrease the volume, turn the On/Off/Volume  
control counterclockwise.  
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Getting Started  
Getting Started  
OperatingYourRadio
OperatingYourRadio
Backlight/Key Lock Button  
Backlight/Key Lock Button  
Channel Up/Down Buttons  
Channel Up/Down Buttons  
The LCD will be illuminated by the backlight as long as any  
button is pressed and will remain On for 10 seconds after the  
button is released.  
Your radio will Receive (Rx) and Transmit (Tx) VHF signals  
on the channel indicated on the LCD display. You can change  
the channel at any time using the Channel Up/Down buttons.  
To Display the Backlight Momentarily:  
To Change Channels:  
Press the Backlight/Key Lock button. The backlight will  
remain On for 10 seconds. If the backlight is already  
On, another press of the Backlight/Key Lock button  
will turn it Off.  
Press the Channel Up/Down button.  
If you are on Channel 88, pressing the Channel Up  
button will advance to Channel 01. If you are on  
Channel 01, pressing the Channel Down button will  
advance to Channel 88.  
Currently On Channel 88  
Key Lock  
Key Locked Buttons  
To prevent accidental changes to your settings, you can  
lock all of the following buttons:  
n Channel Up Button  
n Channel Down Button  
n SCAN Button  
n MEM/ESC Button  
n H-M-L Button  
n 16 Button  
You can press and hold the Channel Up/Down button  
for fast advance. The beep sound will occur only at the  
first press of the button and not during fast advance.  
If the new channel selected is restricted to low power,  
the radio will automatically switch to Low Power mode  
and the Low Power icon will appear on the LCD.  
If the radio is in the Key Lock mode, the channel will  
not change and the three (3) beep error signal will sound.  
Key Lock Icon  
SCAN Button  
SCAN Button  
n TRI-WATCH Button  
n Call/Enter/Setup Button  
Press and release the SCAN button to scan all channels. The  
SCAN icon will display on the LCD display. Scanning begins  
at lower channels, and scans to higher channels. Press the  
Channel Up/Down button to change the scan direction.  
When a signal is received in SCAN mode, the radio will pause  
10 seconds before resuming SCAN operation. The scan will  
stop when the Talk button is pressed.  
In Memory mode, press and release the SCAN button to  
scan all memory channels. Because the unit is already in the  
Memory Channel mode, only the channels in the memory  
bank will be displayed.  
To Lock or Unlock the Buttons:  
Press and hold the Backlight/Key Lock button for two  
(2) seconds. The Key Lock icon will appear or disappear  
in the LCD. When Key Lock is On, pressing any of the  
listed buttons on the front of the radio will result in a  
three (3) beep error message.  
Both the Backlight/Key Lock button and the Talk button  
are active — you can Receive (Rx) or Transmit (Tx)  
a message with Key Lock On, but you cannot change  
the channel.  
NOTE  
Memory channels need to be saved to effectively  
enter the Memory Channel mode and scan all  
memory channels.  
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Getting Started  
Setup Mode Programming  
OperatingYourRadio
OperatingYourRadio
H-M-L Power Button  
High/Medium/Low (H-M-L) Power Button  
Setup Mode Programming  
•
Your radio can transmit selectively at 1, 3 or 6 watts of  
power (5 watts maximum in Australia). Cobra suggests  
you maintain the low power setting 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.  
The following series of procedures is designed to allow you to set the programmable  
features of your radio. Correctly following these steps results in a minimal amount of  
radio setup programming time.  
NOTE  
When in the Setup mode, if you stop programming for longer than 15 seconds,  
your entry will be saved and the radio will go back to the Marine Standby  
mode. When you return to Setup mode and continue programming you will  
see the last “value” displayed. While in the Setup mode, you will not receive  
any signal reception.  
To Toggle Between H-M-L Power Modes:  
Press the H-M-L Power button. The LCD will show  
which mode is in effect. Some channels are restricted  
for a maximum use of 1 watt. Your radio will  
automatically set the power to Low Power mode  
when you select those channels.  
Marine (VHF) Mode Programming  
Programming these features will allow you to customize certain features of this radio  
to enhance your “On-Water” audio needs.  
NOTE  
Start from Marine Standby mode to begin Marine (VHF) Setup programming.  
Press and hold the Call/Enter/Setup button for two (2) seconds to enter the  
programming mode.  
Some channels, frequency bands and countries of use  
might not be able to operate in High Power mode.  
Call/Enter/Setup Button  
The mode programming follows this sequence:  
n Squelch Level Set  
n Channel Map  
Call /Enter/Setup Button  
The Call/Enter/Setup button has multiple functions. It is  
generally used in the following ways:  
n Press and release to transmit your unique Call Tone signal  
n Tone Alert On/Off  
n Call Tone Select  
n Roger Beep On/Off  
n Key Tone On/Off  
to another radio.  
n Press and hold to enter any Setup menu.  
n Functions as an Enter button when making a selection  
in any Setup menu.  
n ATIS On/Off (Displayed only when ATIS enabled)  
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Setup Mode Programming  
Setup Mode Programming  
OperatingYourRadio
OperatingYourRadio
Channel Up/Down Buttons  
Squelch Control  
Active Channel Map Icon  
International/Canada/USA Channel Maps  
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.  
Three (3) sets of VHF Channel Maps have been established  
for marine use: International, Canada and USA. Most of the  
channels are the same for all three (3) maps, but there are  
definite differences (see table in the Apendix on page 50).  
Your radio has all three (3) maps built into it and will operate  
correctly in whichever area you choose.  
To Set Squelch Control:  
1. With the power On, press and hold Call/Enter/Setup  
button to access the Setup menu.  
To Set Channel Map Operating Area:  
Channel Up/Down Buttons  
Squelch Control  
1. The Channel Map mode is the second mode on  
the Marine (VHF) Setup programming.  
2. U, I and C will display, with the current setting  
(the I icon is the default) flashing.  
3. Press Channel Up/Down button to select the  
I, C or U icon.  
4. Press Call/Enter/Setup button to save this entry  
and move to the next Setup mode programming.  
2. Squelch control will be the first menu item to appear.  
Press the Channel Up and Channel Down buttons to  
set level. The signal level bar graph shows squelch  
level while you are in Setup mode on the squelch  
adjust function.  
3. To tune your squelch, press the Channel Down  
button until you hear a hissing sound, then press  
and release the Channel Up button until the hissing  
stops. This will establish a “Baseline” squelch.  
NOTE  
4. By pressing the Channel Up button further, you will  
filter weak and medium strength signals. By pressing  
Channel Down button, you will receive weaker  
signals.  
One or two of the channel maps might have been  
disabled for sales of this radio in some countries.  
Call Tone Alert  
Call Tone Alert  
5. Press the Call/Enter/Setup button to save this entry  
and move to the next Setup mode programming.  
If Call Tone Alert is set to On, the radio will alert you to a call  
from a compatible Cobra radio with a Call Alert.  
To Set Call Tone On or Off:  
1. Display will show Call Tone icon and ON or OFF  
flashing.  
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.  
2. Press Channel UP/Down button to select ON or OFF.  
3. Press the Call/Enter/Setup button to save this entry  
and move to the next Setup mode programming.  
The Call Tone icon will show in the Standby mode  
when set to ON.  
Call Tone Select  
This setting will also allow you to transmit a unique  
Call Tone alert to identify your radio when you transmit  
messages. You can select from one of 10 different  
Call Tone signals.  
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Bluetooth® Mode Pairing  
Setup Mode Programming  
Call Tone Select continued  
and Programming  
OperatingYourRadio
OperatingYourRadio
Call Tone Select  
To Set Call Tone:  
Bluetooth® Mode Pairing and Programming  
1. From the previous press of the Call/Enter/Setup button,  
the LCD will display the letter “C” and the current Call  
Tone number (01 through 10).  
2. Press the Channel Up/Down button to select a different  
Call Tone. An example of each call tone will sound for  
1.5 seconds.  
Bluetooth® wireless technology is a standard which has been developed for use  
in mobile phones and other devices. This radio can be wirelessly linked to your mobile  
phone if your mobile phone also has Bluetooth. This process of linking your mobile phone  
and this radio is called “Pairing.” Once paired, this radio can act as  
the speaker and microphone of your mobile phone while your phone is stowed  
in a safe and dry location.  
3. Press Call/Enter/Setup button to save this entry and  
move to the next Setup mode programming.  
This programming section shows you how to complete the pairing process. It also shows you  
how to change some settings related to the Bluetooth functionality of your radio.  
NOTE: Call Tones are not usually used for Marine  
VHF communications. We allow you to turn it On for  
your unique communication needs.  
Pairing Your Mobile Phone:  
Bluetooth Standby Mode,  
Unpaired State  
1. Press and release the Bluetooth button to enter Bluetooth  
Roger Beep Mode  
Standby. The LCD will change from VHF Standby mode  
display to Bluetooth Standby mode display. The word “bLUE”  
will be shown on the display and the blue keypad backlight  
will come On.  
In Roger Beep mode, your listener will hear an audible tone  
when you release the Talk button. This alerts your listener  
that you are finished talking and it is OK for them to speak.  
To Set Roger Beep On or Off:  
1. Display will show ROG icon and ON or OFF flashing.  
2. Press Channel Up/Down button to select ON or OFF.  
ROG 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  
Roger Beep Mode  
2. Press and hold the Bluetooth button on the HH475BT for four  
(4) seconds [until the radio beeps four (4) times] from the  
Bluetooth Standby mode. The blue backlight will flash for  
some time. Your radio is now in a “Pairing Mode” and can be  
Bluetooth Standby Mode,  
Paired State  
“found” by your phone.  
While in pairing mode, the LCD will display the sequence as  
shown in the illustration below.  
3. Follow the mobile phone’s instructions to search for available  
pairing with another Bluetooth device. This can often be found  
in the Tools or Settings menu of your mobile phone.  
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 and ON or OFF flashing.  
2. Press Channel Up/Down button to select ON or OFF.  
3. Press Call/Enter/Setup button to save entry.  
Enter the “P.I.N.” (Personal Identification Number 0000), on  
your mobile phone when prompted. Wait for the pairing  
process to complete.  
ATIS Mode  
Bluetooth Pairing Mode  
Sequence  
ATIS mode allows control over ATIS packet transmissions. This  
mode is only visable after initial ATIS set-up (see page 25).  
To Set ATIS On or Off:  
ATIS Mode  
1. Display will show ATIS 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 entry.  
You have now ended Marine (VHF) Setup mode  
programming and will enter Marine Standby mode.  
NOTE: Scan and Tri-Watch features are not available  
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Bluetooth® Mode Pairing  
Bluetooth® Mode Pairing  
and Programming  
and Programming  
Operating Your Radio  
Operating Your Radio  
Bluetooth Pairing  
4. You will then see a confirmation of successful  
pairing or a notice to try again if pairing did  
not occur. The LCD will briefly display the word  
“PairEd.”  
Call Tone Alert  
Call Tone Alert  
If Call Tone Alert is set to On, the radio will “ring” with one  
of your Cobra selected tones when you receive a call on your  
mobile phone. If Call Tone Alert is set to Off, the radio will  
ring with the default ring tone.  
NOTE  
To Set Call Tone On or Off:  
1. Display will show Call Tone icon and ON or OFF flashing.  
VOX On/Off will be the first menu item to appear.  
This process only needs to be completed for first  
time operation. From then on, as long as your mobile  
phone is within 10 meters (30 feet) of the radio, the  
two units will “Pair” automatically. A “P” will now  
be displayed if you press the Bluetooth button and  
enter the Bluetooth Standby mode.  
Bluetooth Standby Mode  
2. Press Channel UP/Down button to select ON or OFF.  
3. Press the Call/Enter/Setup button to save this entry  
and move to the next Setup mode programming.  
The Call Tone icon will show in the Standby mode  
when set to ON.  
Call Tone Select  
Call Tone Select (Ring Tones)  
This setting controls what ring tones is used to alert for  
incoming calls on your mobile phone. Ten different ring  
tones are available from which to choose.  
Bluetooth Mode Programming  
The default settings for how your radio answers and conducts Bluetooth mobile  
phone calls can be adjusted.  
VOX On or Off  
To Set Call Tone:  
•
1. From the previous press of the Call/Enter/Setup button,  
the LCD will display the letter “C” and the current Call Tone  
number (01 through 10).  
2. Press the Channel Up/Down button to select a different  
Call Tone. An example of each call tone will sound for  
1.5 seconds.  
VOX  
The VOX function converts the radio microphone’s pickup of  
your voice from being controlled by the PTT button to being  
activated by your voice. When VOX is On, the PTT button  
does not need to be pressed to transmit your voice, and  
you can just speak into the microphone.  
3. Press Call/Enter/Setup button to save this entry and  
move to the next Setup mode programming.  
When VOX is Off, you need to press the PTT button while  
speaking.  
To Change Between VOX On and Off:  
1. From the Bluetooth Standby mode, press and hold  
Call/Enter/Setup button to access the Setup menu.  
VOX On/Off will be the first menu item to appear.  
2. Press the Channel Up and Channel Down buttons.  
The display will show the selection of either ON or OFF.  
3. Press the Call/Enter/Setup button to confirm  
your selection and move to the next Setup  
mode programming.  
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Bluetooth® Mode Pairing  
and Programming  
ATIS ID Programming  
Operating Your Radio  
Operating Your Radio  
Bluetooth Radio On  
Bluetooth Radio On/Off  
ATIS ID Programming  
•
This setting allows you to turn On and Off the small Bluetooth  
radio inside this VHF radio. The default setting  
is ON. Turning it Off can save some power. It can easily  
be switched On at any time.  
The Automatic Transmission Identification System (ATIS) feature of this Cobra radio  
is used to identify marine vessels in some inland waterways of European countries  
that require ATIS transmission. An ATIS ID number is required to operate the ATIS  
feature. The ATIS ID number is derived from your vessels call sign. You must enter  
your ATIS ID number into this radio before the ATIS system will become functional.  
To Set Bluetooth On and Off:  
Please consult your local dealer for questions about local ATIS requirements. The use of  
1. Display will show the word blue and ON or OFF flashing.  
2. Press Channel UP/Down button to select ON or OFF.  
3. Press the Call/Enter/Setup button to save this entry.  
ATIS is prohibited outside the European inland waterways covered by the Basel Agreement.  
With this feature activated the vessels ATIS ID number is transmitted after every  
push of the Talk button.  
Bluetooth Radio Off  
You have now ended Bluetooth Setup mode programming  
and will enter ATIS ID programming.  
To Set the ATIS ID Number:  
Channel Down  
and SCAN Buttons  
NOTE  
The ATIS ID is a 10 digit number that will always  
begin with the number “9.” You will be asked to enter  
only the last nine digits. The first digit, “9”, has been  
automatically entered for you.  
1. With the radio turned Off; press and hold the Channel  
Down and SCAN buttons and simultaneously power  
On the radio.  
ATIS ID Start Screen  
2. The LCD will display and flash the ATIS icon.  
A dash (-), to the right of the digit “9”, will be flashing  
for the next entry.  
NOTICE  
Remember, you only have one (1) attempt to set the ATIS  
ID number. Once this number has been entered, only your  
Cobra distributor can reset the ATIS ID number. You can also  
return the radio to Cobra for reprogramming.  
Channel Up/Down Button  
3. Press the Channel Up/Down button to scroll through  
the specific ATIS digit being entered.  
4. Pressing the Call/Enter/Setup button advances to the  
right, one (1) digit, for the next entry.  
ATIS ID Number Entry  
5. Repeat this input sequence until all nine digits have  
been entered. The ATIS icon will stop flashing when a  
successful ATIS ID entry has been made.  
6. Press the Call/Enter/Setup button again, after all  
numbers have been entered, to save the ATIS ID  
number and return to the Marine Standby mode.  
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Standby/Receive  
and Transmit  
Advanced Operation  
OperatingYourRadio
OperatingYourRadio
Standby/Receive and Transmit  
Marine Standby and Receive (Rx) Mode  
Advanced Operation  
Channel 16 Mode  
•
•
Channel 16 Button  
Marine Standby mode is the default mode for the radio whenever it is turned on.  
From this mode, you can change current settings by becoming familiar with the  
different key functions in Marine Standby mode. While in Marine Standby mode,  
the user will be able to transmit by pressing the Push to Talk (Talk) button. Signals in  
Receive (Rx) mode will be received on the selected channel(s).  
Channel 16 mode gives you quick access to calling on  
Channel 16 from any operational mode.  
To Switch to Channel 16:  
1. Press the Channel 16 button to change to  
Channel 16.  
2. Press the Channel 16 button a second time and  
return to the last used Standby channel.  
NOTE  
Coastguard alerts are broadcast on Channel 16. While in Marine Standby mode,  
Channel 16  
you will receive any messages sent on the channel to which you are tuned.  
Check Channel Number  
Transmit (Tx) Mode  
Transmit (Tx) mode gives you the ability to interact with  
safety services, other vessels and shore stations. When you  
use this capability, be sure to follow the procedures and to  
observe the courtesies that govern its use so everyone  
benefits. See Appendix to help you select the proper channels.  
Tri-Watch Mode  
To Transmit a Message:  
TRI-WATCH Button  
Tri-Watch mode gives you one (1) button access to scan  
a total of three (3) channels of most importance to you.  
Channel 16 is preprogrammed and will always be one (1)  
of the scanned locations. Two (2) other channels of your  
choice can be stored in the radio. These channels can be  
edited and/or recalled during future engagements of  
Tri-Watch mode.  
1. Check to see that your radio is set to a proper channel  
Low Power Mode  
for the type of message you plan to send.  
2. Toggle to the Low Power setting.  
3. With the microphone about 5.0 cm [2 in.] from your  
mouth, press and hold the Talk button and speak into  
the microphone. The Transmit icon will appear on  
the LCD.  
4. Release the Talk button when you are finished  
speaking. Your radio can only operate in either  
Transmit (Tx) or Receive (Rx) mode at any given time.  
You will not hear the response to your message unless  
the Talk button is released. If the Battery Power icon  
begins blinking on the LCD when the Talk button is  
pressed, the radio will NOT transmit.  
Talk Button  
TRI and MEM Icons  
NOTE  
The radio must be squelched for Tri-Watch mode to  
function. See page 18 for Squelch procedure.  
Tri-Watch Setup  
To Program or Edit the Tri-Watch Channels:  
1. Press and hold the TRI-WATCH button for two (2)  
seconds to activate Tri-Watch Setup mode. The  
TRI and MEM icons on the display will turn On.  
Transmit (Tx)/Receive (Rx) Icons  
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 drain. As soon as the Talk  
button is released, it can be pressed again to  
resume transmission.  
NOTE  
The main channel number will flash to indicate channel  
position. If there is no input activity for 15 seconds, the  
radio will sound two (2) beeps and return to Marine  
Standby mode.  
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Advanced Operation  
Advanced Operation  
OperatingYourRadio
OperatingYourRadio
Channel Up/Down Button  
2. Press Channel Up/Down button to select the  
desired Tri-Watch channel.  
3. Press and release TRI-WATCH button or  
Call/Enter/Setup button to confirm entry.  
4. Repeat steps 2 and 3 to program the remaining  
additional Tri-Watch memory channel.  
5. After programming both Tri-Watch memory  
channels the radio will immediately engage  
Tri-Watch mode.  
MEM/ESC Button  
Memory Location Mode  
Your radio has unlimited memory locations for storing your  
most frequently used channels. These memory locations can  
be selected individually or can be scanned. (See page 32  
under Memory Location Scan.)  
To enter Memory mode, press MEM/ESC button. The display  
will show the MEM icon and the Memory Channel bank will  
be activated and displayed.  
Memory Location Number  
To Program Memory Locations:  
Using Tri-Watch  
Tri-Watch Scan Mode:  
TRI-WATCH Button  
1. Press and hold the MEM/ESC button for two (2)  
seconds. The memory location number will start  
flashing and the MEM icon will be turned On.  
2. Use the Channel Up/Down button to advance to the  
memory location (00-99) you want to program.  
3. Press the MEM/ESC button to select the memory  
location. The memory channel number will stop  
flashing and the channel number will start flashing.  
4. Use the Channel Up/Down button to change to the  
channel you want to store into the selected memory  
location.  
5. Press the MEM/ESC button to program that channel.  
The memory location number will flash again.  
Repeat steps 2 through 5 to program as many  
additional memories as you want.  
6. Press and hold the MEM/ESC button for two (2)  
seconds. This will return the radio to Memory mode.  
1. From Marine Standby mode, press the TRI-WATCH  
button. The TRI icon will appear on the LCD display  
and the radio will scan through the three (3) Tri-Watch  
memory channels.  
2. A signal on any one (1) of the three (3) channels will  
stop the scan for 10 seconds to allow you to listen to  
the traffic on that location.  
Channel Up/Down Buttons  
Tri-Watch Scan Mode  
NOTE  
After the Tri-Watch scan stops to monitor a channel,  
as long as you do not press any buttons within 10  
seconds, your radio will automatically resume  
scanning the Tri-Watch channels.  
Channel Number  
3. Press the Channel Up/Down button to resume  
scanning the Tri-Watch channels or to change the  
scan direction.  
4. To EXIT the Tri-Watch scan, press the TRI-WATCH  
button again. The TRI icon will disappear from the  
LCD and the radio will return to Marine Standby  
mode.  
7. Press and release the MEM/ESC button again to  
return to Marine Standby mode.  
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Advanced Operation  
Advanced Operation  
OperatingYourRadio
OperatingYourRadio
MEM Icon  
To Recall a Stored Memory Location:  
Scanning  
Channel Scan Mode  
1. Press the MEM/ESC button. The MEM icon will be  
turned On.  
During Channel Scan mode, the radio will rapidly switch  
from channel to channel through all the channels.  
2. Press the Channel Up/Down button to select the  
memory location. If a memory location has been  
programmed, its associated channel will display on  
the LCD. Your radio is now in Marine Standby mode  
on the selected memory location.  
NOTE  
The radio must be squelched for Channel Scan mode  
to function. See page 18 for Squelch procedure.  
SCAN Button  
To Enter Channel Scan:  
To Exit Memory Location Mode:  
1. From Marine Standby mode, press the SCAN button.  
The radio will immediately begin to scan the entire  
channel map selected in the active channel map.  
The SCAN icon will show on the LCD.  
2. A signal on any channel will stop the scan for 10  
seconds to allow you to listen to the traffic on that  
location.  
3. Press the Channel Up/Down button to resume  
scanning the Channel Scan channels or to change  
the scan direction.  
4. To EXIT Channel Scan mode, press the SCAN button  
again. The SCAN icon will disappear from the LCD  
and the radio will return to Marine Standby mode.  
Press the MEM/ESC button to return the radio to  
Marine Standby mode. The last channel used in  
Marine Standby mode will now be displayed on the  
LCD and the MEM icon will disappear.  
To Erase Stored Memory Locations:  
1. Press and hold the MEM/ESC button for two (2)  
seconds. The memory location number will start  
flashing and the MEM icon will be turned On.  
2. Use the Channel Up/Down button to advance to the  
memory location you want to erase.  
3. Press the MEM/ESC button to select the memory  
location. The memory channel number will stop  
flashing and the channel number will start flashing.  
SCAN Icon  
4. Use the Channel Up/Down button to change to the  
channel to read “00” at the selected memory  
location.  
Channel Up/Down Buttons  
5. Press the MEM/ESC button to erase that channel.  
Repeat steps 2 through 5 to erase as many additional  
memories as you want.  
6. Press and hold the MEM/ESC button for two (2)  
seconds. This will return the radio to Memory mode.  
7. Press and release the MEM/ESC button again to  
return to Marine Standby mode.  
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Advanced Operation  
Rewind Operation  
OperatingYourRadio
OperatingYourRadio
Memory Location Scan  
Rewind-Say-AgainTM Feature  
Memory Location Scan Mode  
During Memory Location Scan mode, the radio will rapidly  
scan through all pre-assigned memory channels.  
Rewind-Say-AgainTM  
Use the Cobra exclusive Rewind-Say-AgainTM feature to  
replay or record the last 20 seconds of an incoming audio  
transmission.  
A
NOTE  
The radio must be squelched for Memory Location  
Scan mode to function. See page 18 for Squelch  
procedure.  
Example 1:  
A
When engine noise, music or conversation creates too  
much noise to hear an inbound message clearly, press  
the REW button to hear the message a second time.  
NOTE  
If there are fewer than two (2) memory locations  
programmed in the radio, the Memory Location Scan  
option will not be available. To program at least two  
(2) memory locations, see page 29.  
Rewind Button  
Example 2:  
When listening to an urgent distress message of an  
excited caller with confusing background noise, press  
the REW button to hear the message a second time and  
get life saving information. Use this feature to record  
call details including position coordinates, call signs,  
registration numbers and store details that will help  
authorities locate the distressed vessel.  
To Enter Memory Location Scan:  
1. From Marine 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 SCAN and MEM icons will show on the LCD.  
3. A signal on any channel will stop the scan for 10  
seconds to allow you to listen to the traffic on that  
location.  
MEM/ESC Button  
Playback Message  
NOTE  
Hold the Rewind button to turn the recording mode  
Off and save the currently recorded transmission.  
Using Rewind-Say-AgainTM  
:
SCAN Button  
1. During audio transmission, press REW button  
to listen to 20 seconds of the last recorded audio  
transmission. The REW icon will flash during the  
playing back of the message and a 20-second  
countdown begins.  
2. Press the TALK, REW or MEM/ESC button during  
playback to stop the playback transmission. The  
radio returns to Marine mode.  
4. Press the Channel Up/Down button to resume  
scanning the Memory Location Scan channels or  
to change the scan direction.  
5. To EXIT Memory Location Scan mode, press the  
SCAN button again. The SCAN and MEM icons will  
disappear from the LCD and the radio will return to  
Marine Standby mode.  
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Mobile Phone Operation  
Rewind Operation  
With Bluetooth®  
OperatingYourRadio
OperatingYourRadio
SCAN Button Enter Record  
Using Rewind-Say-AgainTM to Record Audio  
Transmission:  
Mobile Phone Operation with Bluetooth®  
1. Press and hold SCAN button for two (2) seconds to  
enter Record mode.  
NOTE  
Please refer to the Bluetooth Mode Pairing and Programming section on  
page 21 for instructions on how to pair your mobile phone with this device,  
change ring tones, etc. The following section covers how to complete a  
phone call and other basic operations.  
2. Press and hold TALK button to begin recording  
from radio microphone. If TALK button is released,  
recording stops. While recording, a 20-second  
countdown begins on display. When 20-second  
countdown time has ended, recording stops and  
two (2) beep tones will be heard.  
3. Press and hold SCAN button again for two (2)  
seconds or press MEM/ESC button to cancel  
recording and return to last operation.  
Rewind Countdown Timer  
Answering a Call  
Answer Incoming Phone Calls  
This handheld radio, once properly paired to your Bluetooth®  
compatible mobile phone, can answer incoming calls received  
on your mobile phone. It can act as the speaker and microphone,  
while your mobile phone stays safe and dry. It will also  
improve audio quality on both ends of the conversation.  
NOTE  
To Answer and End an Incoming Call:  
1. The speaker on the HH475 will ring. The display will  
change and show the word “AnSEr” as shown.  
When using radio in Record mode, the REW feature  
is turned Off to prevent “recording over” previous  
message.  
Bluetooth Button  
2. Press and release the Bluetooth button on the MR  
HH475BT front panel. After the call is answered, the  
LCD will switch to “Connct” as illustrated.  
3. Begin conversation with the caller by a pressing the  
PTT (Push to Talk) key and speaking into the small  
microphone above the LCD. This is very similar to a  
standard radio operation and it completely eliminates  
all background noise when you are not speaking.  
Connected to a Call  
NOTE  
To enable hands free conversation or “VOX” mode  
(pressing in the PTT key not required), use the  
Channel Up and Channel Down keys anytime when  
in Bluetooth mode. The “VOX” icon will turn on when  
VOX mode is enabled.  
The Bluetooth “VOX” setting does NOT reset to Off  
after a power cycle unlike the normal VOX associated  
with VHF mode.  
4. To end a call, press and release the Bluetooth button.  
The HH475 will then return to previous Standby mode  
and resume normal operation.  
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Mobile Phone Operation  
Mobile Phone Operation  
With Bluetooth®  
With Bluetooth®  
OperatingYourRadio
OperatingYourRadio
Using Voice Dial  
Initiating a Call  
Initiate a Phone Call  
This feature allows you to use your voice to dial a contact from  
the contact list on your mobile phone.  
There are several ways to initiate a call. These include;  
initiating (as normal) from the mobile phone, using voice  
dialing and last number redial.  
NOTE  
To Initiate from the Mobile Phone  
Voice dialing is an advanced function and may not be  
supported by all phones. Cobra suggests you set it up and  
become familiar with it on your mobile phone before you  
attempt using it in conjunction with the HH475 or another  
Bluetooth device.  
1. Simply dial a number on your mobile phone.  
(See manufacturer’s instructions for making a call.)  
When the phone’s Send key is pressed, the HH475  
will respond by changing over to Bluetooth mode  
and displaying “diaLng” as illustrated.  
Connected to a Call  
This is an advanced function and not all mobile phone  
combinations will be successful. Some allow you to set  
pre-recorded contacts. Some advanced phones have  
active voice recognition and match your mobile phone’s  
contact list.  
2. You will see “Connct” when the receiving party, or  
their voice mail, answers.  
3. To end a call, press and release the Bluetooth button.  
The HH475 will then return to previous Standby mode  
and resume normal operation.  
To Initiate a Voice Dial Call:  
Initiating a Voice Dial Call  
1. Press and release the Bluetooth button to get into  
the Bluetooth Standby mode.  
2. Press and release the Bluetooth button twice (2x)  
from Bluetooth Standby mode. This will initiate the  
voice dial feature on the paired mobile phone.  
3. You will hear a beep or audio command from the phone.  
Press and hold the PTT (Push to Talk) button and  
speak the name into the HH475.  
Connecting a Voice Dial Call  
4. The mobile phone will begin to dial the contact  
it “recognizes.” The call will be complete through  
the speaker and microphone of the HH475. You will  
see the “diaLng” and “Connct” screens as the call  
is completed.  
5. Hang up by pressing the Bluetooth button when  
you complete your call.  
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Mobile Phone Operation  
Mobile Phone Operation  
With Bluetooth®  
With Bluetooth®  
OperatingYourRadio
OperatingYourRadio
Last Number Redial  
General Bluetooth Operation and Frequently Asked Questions  
n What is the Industry Standard Range for Bluetooth® Wireless Technology?  
The industry standard range for Bluetooth wireless technology is 10 meters  
(30 feet). The HH475 will loose its pairing with the mobile phone if the  
mobile phone and the HH475 are separated further than this. The HH475 will  
automatically re-connect with cell phone when user comes back into range.  
This feature allows you to redial the last number stored in the  
mobile phone’s internal Call Log. This feature is supported by  
most mobile phones.  
To Initiate a Last Number Redial:  
1. Press and release the Bluetooth button to get into  
the Bluetooth Standby mode.  
Bluetooth Button  
n How many phones can the HH475 pair with?  
2. From Bluetooth Standby, press and hold the  
Bluetooth button for two (2) seconds [until the  
radio beeps two (2) times].  
3. The paired mobile phone will redial the last number.  
The call will be complete through the speaker and  
microphone of the HH475.  
The HH475 can only pair with one mobile phone at a time. This is the standard  
operation for any Bluetooth headset or in-car Bluetooth system.  
n Do I need to have my mobile phone with me?  
Yes, the phone call is actually completed through your mobile phone and your  
mobile phone operator/carrier. The mobile phone must be with the 10 meters  
(30 feet) range of the HH475. The HH475 does not increase the offshore  
range of your mobile phone.  
4. Hang up by pressing the Bluetooth button when  
you complete your call.  
n Can I use a standard Bluetooth® headset with this radio?  
No, the HH475 is using the headset profile of the Bluetooth specification to pair  
with your mobile phone. It can not pair to another Bluetooth headset.  
To End Pairing (At the End of the Day)  
Bluetooth Standby Mode,  
Unpaired State  
You might not want to take your calls through this VHF radio once  
you are back at the dock or in a dry location. See the instructions  
in the Bluetooth Mode Programming section on page 21 for  
instructions on how to Turn OFF the Bluetooth function of the  
HH475. The “p” will disappear from the Bluetooth Standby screen.  
n Can I use this unit as a speakerphone or hands-free device?  
Turning on VOX allows you to use the radio without pressing the PTT  
(Push to Talk) button. The radio will still need to be operated in a face held  
position with the microphone close to the mouth. This radio uses a noise  
cancelling microphone, and it will not operate well from the belt clip or  
another hands-free position.  
NOTE  
If switched to OFF setting, then the HH475 will not  
reconnect with mobile phone on power up. It must  
be turned back ON again from the Bluetooth  
Programming mode.  
n Please make sure to note your VOX setting.  
Bluetooth Standby Mode,  
Paired State  
If VOX is set to On, then the receiving caller might hear conversation and noise in  
your background. This setting is retained in memory. If switched On, then it will  
be On the next time the radio is switched On and paired.  
n Can I use my mobile phone for emergency use?  
No, Cobra does not endorse mobile phones as a substitute for marine radios.  
They generally cannot communicate with rescue vessels and, if you make a distress  
call on your mobile phone, only the party you call will be able to hear you.  
Additionally, mobile phones may have limited coverage over water. If you do not  
know where you are, the coastguard will have difficulty finding you if you  
are using your mobile phone. However, mobile phones can have a place onboard  
where mobile coverage is available – to allow social conversations and keep the  
marine frequencies uncluttered and available for their intended use.  
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Maintenance and  
Troubleshooting  
Floating Feature  
OperatingYourRadio
VHF MaOperatingYourRadio  
BURP Feature  
Maintenance  
Very little maintenance is required to keep your CobraMarine VHF radio  
in good operating condition:  
BURP Feature  
•
Cobra’s BURP feature allows the operator to expel water from  
inside the speaker grill. This is especially useful if the radio is  
dropped overboard or during extreme foul weather conditions.  
In these conditions, water can become trapped in the  
speaker grill and muffle the audio.  
n
Keep the radio and charger clean by wiping with a soft cloth and mild detergent.  
Do not use solvents or harsh or abrasive cleaners, which could damage the case  
or scratch the LCD screen.  
To Activate BURP:  
1. Press and release the 16 and SCAN keys at the  
same time.  
2. The BURP tone(s) at maximum level will sound  
from the internal speaker for eight seconds.  
n
n
If the radio is exposed to salt water, wipe with a soft, moist cloth at least once a day  
to prevent buildup of salt deposits, which could interfere with button operation.  
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.  
BURP Feature  
3. During this time, the LCD will display the following  
Troubleshooting  
•
“burp” as shown to the left.  
Problem  
Possible Cause(s)  
Solution(s)  
4. Hold the radio with the speaker grill down to help  
the water drain out.  
5. Press the ESC key at any time to cancel the  
BURP feature.  
No display on LCD  
when radio is turned  
On  
Batteries are exhausted  
Recharge or replace batteries  
Batteries not installed properly Remove batteries and reinstall  
according to polarity markings  
Floating Radio  
Floating Radio  
Batteries run  
down quickly  
Batteries are at the end of  
their life  
Replace with new batteries  
This radio is designed to float if dropped overboard. The orange  
center makes it visible and easy to retrieve. This rugged radio  
is also designed to meet JIS7 (IPX7) specifications. This means  
it’s designed to operate properly after being submerged in  
one meter deep water for 30 minutes.  
Will transmit at low  
or medium power,  
but not at high power  
Batteries are low  
Recharge or replace batteries  
Switch to another channel  
Selected channel is limited  
to one (1) watt  
Bluetooth capable  
phone will not pair with compatibility issue  
the radio or operation  
There might be a  
Try with another brand or  
model mobile phone to  
confirm the problem  
NOTE  
Do not leave the radio floating in water permanently.  
This could cause premature corrosion of the battery  
contacts and other damage.  
isn’t as expected  
Contact Cobra with the details  
Will not transmit  
Selected channel is limited  
Switch to  
The radio is only designed to float with its included  
Lithium-ion battery. Using other approved batteries  
might cause the radio to sink. This also applies to  
the AA battery tray included, depending on the weight  
of the AA batteries used.  
to receive only  
another channel  
No sound from  
speaker  
Volume level is too low or  
squelch level is too deep  
Re-adjust volume  
and squelch  
No response to  
button press  
Button lock is On  
Press Backlight/  
Key Lock button  
No answer to calls  
Out of range of  
other station  
Switch to three (3) or maxi-  
mum watts or move closer  
Signal is blocked  
by terrain  
Move until you have a “line-  
of-sight” to the other station  
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VHF Marine Radio  
Procedures  
Voice Calling  
VHF Marine Radio Protocols  
VHF Marine Radio Protocols  
VHF Marine Radio Procedures  
Maintain Your Watch  
Voice Calling  
•
•
To call another vessel or shore installation (e.g, lock or bridge tender):  
n
Whenever your boat is underway, the radio must be turned On and be tuned to  
Channel 16 except when being used for messages.  
Make sure the radio is On.  
n
Make sure you are in standby listening mode on Channel 16. Make sure Channel  
16 is not in use.  
Power  
Try 1 watt first, if the station being called is within a few kilometers. If there is  
no answer, switch to 3 watts and call again. You have the ability to go to high  
(maximum) power to increase your calling distance. Remember, the lower wattage  
outputs will conserve your battery and minimize interference to other users.  
n
n
When the channel 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].”  
Calling Coast Stations  
Call a coast station on its assigned channel. You may use Channel 16 when you  
do not know the assigned channel.  
Once contact is made, you must leave Channel 16 and go to another working  
channel. See channel listing in the appendix.  
For Example  
Calling Other Vessels  
Call other vessels on Channel 16. You may also call on ship-to-ship channels  
when you know that the vessel is listening on a ship-to-ship channel.  
The vessel Corsair is calling the vessel Vagabond:  
Corsair: “Vagabond, this is Corsair. Over.”  
Limits on Calling  
Vagabond: “Please switch and answer on Channel 68 (or any proper working  
channel). Over.”  
You must not call the same station for more than 30 seconds at a time.  
If you do not get a reply, wait at least two (2) minutes before calling again.  
After three (3) calling periods, wait at least 15 minutes before calling again.  
Corsair: “Switching to Channel 68. Over.”  
Change Channels  
n
If the other does not respond, wait two (2) minutes and repeat. You are permitted  
to attempt contact three (3) times, two (2) minutes apart. If you still have not  
made contact, wait 15 minutes before trying again.  
After contacting another station on a calling channel, change immediately  
to a channel which is available for the type of message you want to send.  
n
After communications are completed, each vessel must sign off with its call sign  
Station Identification  
Identify your station by your call sign, vessel name and the state registration number,  
at both the beginning and at the end of the message.  
or vessel name and the word “out” and return to Channel 16.  
NOTE  
Prohibited Communications  
You MUST NOT transmit:  
For best sound quality at the station you are calling, hold the microphone on  
the front of the radio at least 51 mm (2 in.) from your mouth and slightly off  
to one (1) side. Speak in a normal tone of voice.  
n
False distress or emergency messages.  
n
Messages containing obscene, indecent or profane language.  
NOTE  
“Over and Out”  
n
General calls, signals or messages (messages not addressed to a particular  
The most commonly misused procedure words are “over and out” within the  
same transmission. “Over” means you expect a reply. “Out” means you are  
finished and do not expect a reply.  
station) on Channel 16, except in an emergency or if you are testing your radio.  
n
When you are on land.  
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Radiotelephone Calls, Emergency  
Messages and Distress Procedure  
Emergency Messages and  
Distress Procedure  
VHF Marine Radio Protocols  
VHF Marine Radio Protocols  
Radiotelephone Calls  
Boaters may make and receive radiotelephone calls to and from any number on the  
Marine Emergency Signals  
The three (3) spoken international emergency signals are:  
MAYDAY  
•
telephone network by using the services of public coast stations. Calls can be made —  
for a fee — between your radio and telephones on land, sea and in the air. See the  
Appendix for the public correspondence (marine operator) channels.  
If you plan to use these services, consider registering with the operator of the  
public coast station that you plan to work through. These services can provide  
you with detailed information and procedures to follow.  
The distress signal MAYDAY is used to indicate that a station is threatened by grave  
and imminent danger and requests immediate assistance.  
PAN  
The urgency signal PAN is used when the safety of the vessel or person is in  
jeopardy. (This signal is properly pronounced pahn.)  
NOTICE  
You may disclose privileged information during a radiotelephone call.  
Keep in mind that your transmission 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.  
SECURITE  
The safety signal SECURITE is used for messages about the safety of navigation or  
important weather warnings. (This signal is properly pronounced see-cure-ee-tay.)  
When using an international emergency signal, the appropriate signal is to be spoken  
three (3) times prior to the message.  
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 minor problem can rapidly develop into a  
situation beyond your control.  
The coastguard monitors Channel 16, responds to all distress calls,  
and coordinates all search and rescue efforts. Depending on the availability  
of other capable vessels or commercial assistance operators in your vicinity,  
coastguard or coastguard auxiliary craft may be dispatched.  
In any event, communicate with the coastguard as soon as you experience difficulties  
and before your situation becomes an emergency. Use the emergency message  
procedures only after your situation has become grave or you are faced with a  
sudden danger threatening life or property and requiring immediate help. Use  
Channel 16 to communicate your emergency message. Make sure you transmit  
on high power. If you are merely out of gas, do not send an emergency message.  
Drop your anchor and call a friend or marina to bring the fuel you need or to give  
you a tow.  
If You Hear a Distress Call  
You must give any message beginning with one (1) of these signals priority over any  
other messages. ALL stations MUST remain silent on Channel 16 for the duration 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.  
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Emergency Messages  
and Distress Procedure  
Emergency Messages  
and Distress Procedure  
VHF Marine Radio Protocols  
VHF Marine Radio Protocols  
For Example  
Marine Distress Procedure  
Speak slowly — clearly — calmly.  
1. Make sure your radio is On.  
“Mayday — Mayday — Mayday”  
“This is Corsair — Corsair — Corsair,” repeated three (3) times]  
“Mayday Corsair”  
2. Select Channel 16.  
3. Press Talk button and say:  
“Point Lynas bears 220 degrees magnetic — distance 5 kilometers”  
“Struck submerged object and flooding — need pump and tow”  
“Four (4) adults, three (3) children aboard — no one injured”  
“Estimate we will remain afloat one-half hour”  
“Corsair is 8 metre sloop with blue hull and tan deck house”  
“I will be listening on Channel 16”  
“MAYDAY — MAYDAY — MAYDAY.”  
(Or “PAN — PAN — PAN,”  
or “SECURITE — SECURITE — SECURITE.”)  
4. Say:  
“THIS IS [your vessel name or call sign],” repeated three (3) times.  
5. Say:  
“MAYDAY (or “PAN” or “SECURITE”)  
[your vessel name or call sign].  
“This is Corsair”  
“Over”  
6. Tell where you are:  
(what navigational aids or landmarks are nearby).  
It is a good idea to write out a script of the message form and post it where you  
and others on your vessel can see it when an emergency message needs to be sent.  
7. State the nature of your distress.  
8. State the kind of assistance needed.  
9. Give number of persons aboard and conditions of any injured.  
10. Estimate present seaworthiness of your vessel.  
11. Briefly describe your vessel (length, type, color, hull).  
12. Say:  
“I WILL BE LISTENING ON CHANNEL 16.”  
13. End message by saying:  
“THIS IS [your vessel name or call sign]. OVER.”  
14. Release Talk button and listen. Someone should answer.  
If not, repeat the call, beginning at step 3 above.  
Keep the radio nearby. Even after your message has been received, the coastguard  
can find you more quickly if you can transmit a signal for a rescue boat to hone in on.  
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Specifications  
Accessories  
Specifications
Accessories  
Specifications  
Accessories  
•
•
Your Cobra radio has several optional accessories available to enhance the use  
of the radio. Some are listed below:  
General  
Number of Channels  
All U.S., Canadian, International and  
NOAA Weather Channels  
Lapel Speaker/Microphone  
Lapel Speaker/Microphone  
Channel Spacing  
Modulation  
Input Voltage  
25 kHz  
5 kHz Max.  
7.4 VDC  
A speaker/microphone, that attaches to your lapel,  
by ordering P/N CM 330-001.  
This unique accessory allows you to wear the radio  
on your belt while still being able to communicate  
with other vessels. A small Push to Talk (PTT) button  
on the lapel speaker/microphone allows you to answer  
any incoming call.  
Battery Life:  
LiON: 8 hours @ 6 watts, 16 hours @ 1 watt  
5% TX, 5% RX, 90% Standby  
Alkaline: 18 hours @ 6 watts, 35 hours @ 1 watt  
Current Drain:  
Standby  
40 mA  
Receive (Rx)  
Transmit (Tx)  
200 mA  
1.8 A @ High Power, 700 mA @ Low Power  
LiON Battery Pack  
Long Life Battery  
A long life replacement battery. P/N CM 110-010.  
Temperature Range  
Radio Dimensions  
-20˚C to 50˚C  
4.8" x 2.4" x 1.4"  
(123 mm x 62 mm x 36 mm) not including  
antenna  
1900 mAh LiON replacement battery. Can be used  
with the charger included with this radio. The radio  
will NOT float with this battery attached.  
Radio Weight  
Receiver  
0 lbs 8 oz. (228 g) without batteries  
Frequency Range  
156.050 to 163.275 MHz  
Receiver Type  
Double Conversion Super-Heterodyne  
Sensitivity:  
20 dB Quieting  
12 dB Sinad  
0.35 uV  
0.30 uV  
Adjacent Channel Selectivity  
Intermodulation and Rejection  
Spurious and Image Rejection  
AF Output  
Transmitter  
Frequency Range (Tx):  
RF Output Power  
Spurious Emissions  
Microphone Type  
Frequency Stability  
FM Hum and Noise  
-60 dB  
-60 dB  
-60 dB  
250 mW @ 8 Ohms  
Trademark Acknowledgement  
Cobra®, CobraMarine®, Nothing Comes Close to a Cobra®, and the snake design  
are registered trademarks of Cobra Electronics Corporation, USA.  
Cobra Electronics Corporation™, MicroBlueTM and Rewind-Say-AgainTM are trademarks  
of Cobra Electronics Corporation, USA.  
The Bluetooth® word mark and logo are registered trademarks owned by Bluetooth SIG, Inc.  
•
156.025 to 157.425 MHz  
1, 3 or 6 watts (5 watts maximum in Australia)  
-60 dB @ High Power, -55 dB @ Low Power  
Condenser  
+/-10 ppm  
40 dB  
Bluetooth®  
Clasification  
Version  
Range  
Class 2  
2.0  
10 Meters  
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VHR Marine Channel  
Assignments  
VHR Marine Channel  
Assignments  
Appendix  
Appendix
VHF Marine Channel Assignments  
Digital Selective Calling  
Channel 70  
This channel is set aside for distress, safety and general calling using  
only digital selective calling techniques. Voice communication is prohibited;  
your radio cannot transmit voice messages on this channel.  
•
Three (3) sets of VHF Channel Maps have been established for marine use  
internationally, in Canada and in the U.S.A. Most of the channels are the  
same for all three (3) maps, but there are definite differences (see table on the  
following pages).  
Your radio has all three (3) maps built into it and will operate correctly in whichever  
area you choose. When shipped from the factory, your radio will be set to the  
International Channel Map. (See page 19 for instructions on how to change  
the Channel Map.)  
NOTE  
The U.S.A. and Canada impose restrictions on the use of many channels  
within their territorial waters. These are noted in the channel assignment  
chart. If operating your vessel in U.S.A. or Canadian waters, consult the  
national communication authority or a knowledgeable local radio operator  
for further guidance.  
The following is a brief outline for some of the channel assignments  
in the International Channel Map.  
Distress, Safety and Calling  
Channel 16  
Getting the attention of another station (calling) or in emergencies  
(distress and safety).  
Intership Safety  
Channel 6  
Ship-to-ship safety messages and for search and rescue messages to  
coastguard ships and aircraft.  
On-Board Communication  
Channel 15, 17  
Used for communication between parts of large ships.  
Navigational  
Channels 13, 67, 75, 76  
Channels are available to all vessels. Messages must be about navigation,  
including passing or meeting other vessels. These are also the main working  
channels for most locks and drawbridges.  
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VHF Marine  
VHF Marine  
Channel Assignments  
Channel Assignments  
Appendix  
Appendix  
Power Limits  
Channel Use  
Channel Map  
Frequency  
Channel  
Number  
USA  
INT  
CAN  
Transmit  
Receive  
01  
01A  
02  
03  
03A  
04  
04A  
05  
05A  
06  
07  
07A  
08  
156.050  
156.050  
156.100  
156.150  
156.150  
156.200  
156.200  
156.250  
156.250  
156.300  
156.350  
156.350  
156.400  
156.450  
160.650  
156.050  
160.700  
160.750  
156.150  
160.800  
156.200  
160.850  
156.250  
156.300  
160.950  
156.350  
156.400  
156.450  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Public Correspondence  
Port Operations, Commercial, VTS In selected areas  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Public Correspondence  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Public Correspondence  
Government Only  
•
•
•
•
•
•
•
•
•
•
Port Operations, Ship Movement, Public Correspondence  
West Coast (Coast Guard Only); East Coast (Commercial Fishing)  
Port Operations, Ship Movement, Public Correspondence  
Port Operations, VTS in selected areas  
•
•
•
•
•
•
•
Intership Safety  
Port Operations, Ship Movement, Public Correspondence  
Commercial  
•
•
•
•
•
•
•
•
Intership  
09  
INT - Intership, Port Operations, Ship Movement; USA & CAN - Boater Calling Channel,  
Non-Commercial (Recreational)  
10  
11  
12  
13  
•
•
•
•
•
•
•
•
•
•
•
•
156.500  
156.550  
156.600  
156.650  
156.500  
156.550  
156.600  
156.650  
INT - Intership, Port Operations, Ship Movement; USA & CAN - Commercial  
INT - Port Operations, Ship Movement; USA & CAN - Commercial, VTS In Selected Areas  
Port Operations, Ship Movement  
1 watt USA & CAN  
INT - Intership, Port Operations, Ship Movement; USA & CAN - Intership Navigation Safety  
(Bridge-To-Bridge)  
14  
15  
15  
16  
17  
•
•
•
•
156.700  
Rx Only  
156.750  
156.800  
156.850  
156.700  
156.750  
156.750  
156.800  
156.850  
INT - Port Operations, Ship Movement; USA & CAN - Port Operations, VTS In Selected Areas  
Environmental (Receive Only).  
•
•
•
•
•
•
1 watt  
INT - Intership, Port Operations, Ship Movement; CAN - EPIRB Buoys Only  
Universal Distress, Safety and Calling  
•
•
1 watt USA & CAN  
INT - Intership, Port Operations, Ship Movement; USA - State Controlled; CAN - Pilotage  
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VHF Marine  
VHF Marine  
Channel Assignments  
Channel Assignments  
Appendix  
Appendix  
Power Limits  
Channel Use  
Channel Map  
Frequency  
Channel  
Number  
USA  
INT  
CAN  
Transmit  
Receive  
18  
18A  
19  
19A  
20  
156.900  
156.900  
156.950  
156.950  
157.000  
157.000  
157.050  
161.500  
156.900  
161.550  
156.950  
161.600  
157.000  
161.650  
Port Operations, Ship Movement, Public Correspondence  
•
Commercial  
•
•
Port Operations, Ship Movement, Public Correspondence  
•
•
•
Commercial  
•
•
•
•
•
1 watt CAN  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Coast Guard Only  
20A  
21  
Port Operations  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Port Operations,  
Ship Movement  
•
21A  
21B  
22  
22A  
23  
23A  
24  
25  
25B  
26  
27  
28  
28B  
60  
157.050  
RX only  
157.100  
157.100  
157.150  
157.150  
157.200  
157.250  
157.050  
161.650  
161.700  
157.100  
161.750  
157.150  
161.800  
161.850  
USA - Government Only; CAN - Coast Guard Only  
•
•
•
•
Coast Guard Only (Weather Broadcasts)  
Port Operations, Ship Movement, Public Correspondence  
•
•
•
•
Coast Guard Liaison and Maritime Safety Information Broadcasts That Are Announced On Channel 16  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Public Correspondence  
Government Only  
•
•
•
INT - Port Operations, Ship Movement, Public Correspondence; USA & CAN - Public Correspondence  
INT - Port Operations, Ship Movement, Public Correspondence; USA & CAN - Public Correspondence  
•
•
•
•
•
•
•
•
•
•
RX only  
157.300  
157.350  
157.400  
RX only  
156.025  
156.075  
156.075  
156.125  
156.125  
161.850  
161.900  
161.950  
162.000  
162.000  
160.625  
160.675  
156.075  
160.725  
156.125  
Safety: Continuous Marine Broadcast (CMB) Service by MCTS Canada  
INT - Port Operations, Ship Movement, Public Correspondence; USA & CAN - Public Correspondence  
INT - Port Operations, Ship Movement, Public Correspondence; USA & CAN - Public Correspondence  
INT - Port Operations, Ship Movement, Public Correspondence; USA & CAN - Public Correspondence  
Safety: Continuous Marine Broadcast (CMB) Service by MCTS Canada  
•
•
•
•
•
•
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Public Correspondence  
Port Operations, Ship Movement, Public Correspondence  
•
•
61  
61A  
62  
•
•
•
USA - Government Only; CAN - West Coast (Coast Guard Only); East Coast (Commercial Fishing)  
International Port Operations, Ship Movement, Public Correspondence  
•
62A  
West Coast (Coast Guard Only); East Coast (Commercial Fishing)  
Nothing Comes Close to a Cobra® 55  
English  
54  
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VHF Marine  
VHF Marine  
Channel Assignments  
Channel Assignments  
Appendix  
Appendix  
Power Limits  
Channel Use  
Channel Map  
Frequency  
Channel  
Number  
USA  
INT  
CAN  
Transmit  
Receive  
63  
63A  
64  
64A  
65  
65A  
66  
66A  
67  
•
156.175  
156.175  
156.225  
156.225  
156.275  
156.275  
156.325  
156.325  
156.375  
160.775  
156.175  
160.825  
156.225  
160.875  
156.275  
160.925  
156.325  
156.375  
Port Operations, Ship Movement, Public Correspondence  
Port Operations & Commercial, VTS In Selected Areas  
Port Operations, Ship Movement, Public Correspondence  
USA - Government Only; CAN - Commercial Fishing  
Port Operations, Ship Movement, Public Correspondence  
Port Operations  
•
•
•
•
•
•
•
•
•
•
•
•
Port Operations, Ship Movement, Public Correspondence  
Port Operations  
•
•
•
•
1 watt CAN  
1 watt USA  
INT - Intership, Port Operations, Ship Movement; USA - Commercial, Bridge-To-Bridge  
Communication In Lower Mississippi River (Intership Only)  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
156.425  
156.475  
RX only  
156.575  
156.625  
156.675  
156.725  
156.775  
156.825  
156.875  
156.425  
156.475  
156.525  
156.575  
156.625  
156.675  
156.725  
156.775  
156.825  
156.875  
INT - Port Operations, Ship Movement; USA & CAN - Non-Commercial (Recreational)  
INT - Intership, Port Operations, Ship Movement; USA - Non-Commercial (Recreational)  
Digital Selective Calling (Voice Communications Not Allowed)  
INT - Port Operations, Ship Movement; USA & CAN - Non-Commercial (Recreational)  
Intership  
INT - Intership, Port Operations, Ship Movement; USA - Port Operations  
INT - Port Operations, Ship Movement; USA - Port Operations  
Port Operations, Ship Movement  
1 watt  
1 watt  
Port Operations, Ship Movement  
•
•
1 watt USA & CAN  
INT - Intership; USA & CAN - Intership (Restricted To Communications With Pilots For Movement  
And Docking Of Ships)  
78  
78A  
79  
•
•
156.925  
156.925  
156.975  
156.975  
161.525  
156.925  
161.575  
156.975  
Port Operations, Ship Movement, Public Correspondence  
Non-Commercial (Recreational)  
•
•
•
•
Port Operations, Ship Movement, Public Correspondence  
Commercial (Also Non-Commercial In Great Lakes Only)  
79A  
Nothing Comes Close to a Cobra® 57  
English  
56  
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VHF Marine  
VHF Marine  
Channel Assignments  
Channel Assignments  
Appendix  
Appendix  
PowerLimits  
Channel Use  
Channel Map  
Frequency  
Channel  
Number  
USA  
INT  
CAN  
Transmit  
Receive  
80  
80A  
81  
81A  
82  
82A  
83  
83A  
83B  
84  
84A  
85  
85A  
86  
86A  
87  
87A  
88  
157.025  
157.025  
157.075  
157.075  
157.125  
157.125  
157.175  
157.175  
RX only  
157.225  
157.225  
157.275  
157.275  
157.325  
157.325  
157.375  
157.375  
157.425  
161.625  
157.025  
161.675  
157.075  
161.725  
157.125  
161.775  
157.175  
161.775  
161.825  
157.225  
161.875  
157.275  
161.925  
157.325  
161.975  
157.375  
162.025  
Port Operations, Ship Movement, Public Correspondence  
Commercial (Also Non-Commercial In Great Lakes Only)  
Port Operations, Ship Movement, Public Correspondence  
USA - Government Only (Environmental Protection Operations)  
Port Operations, Ship Movement, Public Correspondence  
USA - Government Only; CAN - Coast Guard Only  
INT - Port Operations, Ship Movement, Public Correspondence; CAN - Coast Guard Only  
Coast Guard Only  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Coast Guard Only (Weather Broadcasts)  
Port Operations, Ship Movement, Public Correspondence  
Public Correspondence  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Port Operations, Ship Movement, Public Correspondence  
Public Correspondence  
•
•
•
•
Port Operations, Ship Movement, Public Correspondence  
Public Correspondence  
Port Operations, Ship Movement  
Public Correspondence  
INT - Port Operations, Ship Movement; USA & CAN - Public Correspondence (Ship-To-Coast)  
(In USA, Only Within 75 Miles Of Canadian Border)  
88A  
157.425  
157.425  
Commercial Intership Only  
•
NOTE  
NOTE  
Many of the plain-numbered channels, such as 01, 02 and 03, transmit and receive on  
different frequencies. This is termed duplex operation. The rest of the plain-numbered  
channels and all of the A channels, such as 01A, 03A and 04A, transmit and receive on  
a single frequency, which is termed simplex operation. Your radio automatically adjusts  
to these conditions. When in simplex operation, the A icon will appear on the LCD  
(see illustration on page A3).  
All the listed channels are pre-programmed at the factory according to international  
regulations, those of Industry Canada (Canada) and those of the FCC (U.S.A.).  
They cannot be altered by the user nor can modes of operation be changed between  
simplex and duplex.  
In some countries, additional channels are available. These can be programmed  
on the radio by the local distributor.  
Nothing Comes Close to a Cobra® 59  
English  
58  
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Declaration of Conformity  
and CE Markings  
Appendix  
Declaration of Conformity  
•
Power Limits  
Límites de potencia  
Channel Map  
Frequency  
Frecuencia  
We Cobra Electronics Europe Limited of  
Mapa de canales  
Dungar House  
Northumberland Avenue  
Dun Laoghaire  
County Dublin, Ireland  
declare under our sole responsibility that the products VHF Marine Radios:  
MR HH475 FLT BT EU  
to which this declaration refers, conform with the following relevant standards or other standardising  
documents when properly installed and maintained and used for their intended purpose  
EN 301 178-1 V1.2.1 (2003-12)  
EN 301 178-2 V1.2.2 (2007-02)  
EN 300 328 V1.7.1 (2006-10)  
EN 300 698-1 V1.3.1 (2003-12) Annex B  
EN 300 698-2 V1.1.1 (2000-08)  
EN 301 843-1 V1.2.1 (2004-06)  
EN 301 843-2 V1.2.1 (2004-06)  
EN 301 489-17 V1.2.1(2002-08)  
EN 62209-1 (2006)  
EN 60950-1: 2006  
This product complies with Commission Regulation (EC) No 278/2009 of 6 April 2009 implementing  
Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign  
requirements for no-load condition electric power consumption and average active efficiency of external  
power supplies.  
Dublin, Ireland  
February 2010  
JEAN-LOUIS POOT  
Managing Director  
CE Marking  
•
This radio is marked  
adjacent to the serial number.  
0168  
That means that this radio:  
1. Complies with the essential requirements of the European Radio  
and Telecommunication Terminal Directive 1999/5/EC.  
2. May operate in some non-harmonised frequency bands and/or may  
be subject to licensing conditions in the country of use.  
The user should be sure to check that the model and programming of  
this radio complies with his or her national licensing requirements.  
English  
60  
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