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VHF Marine Radio Protocols

 

 

Operating Your Radio

Standby/Receive

and Transmit

To Set WX Auto Search (SCAN) On or Off:

WX

auto search setup is only shown if 

WX Alert

is set to 

ON

.

1.

Display will show 

Weather

icon and the matrix will display

WX  SCAN

with 

ON

or 

OFF

flashing.

2.

Press 

Channel Up/Down

button to select 

ON

or 

OFF

.

3.

Press the 

Call/Enter/Setup

button to save entry.

You have now ended the 

WX Setup

programming mode

and will enter the 

WX Alert Standby

mode.

NOTE

When 

WX Auto Search (SCAN)

is set to On, weather 

channel scanning will start automatically and scan all 

available weather channels until the strongest channel 

is found. This will happen under the following 

conditions:

WX Alert

is engaged.

WX

received signal level falls below 

a preset squelch and

– radio is in 

WX Standby

OR

– radio is in 

VHF Standby

and there is no

channel activity.

Standby/Receive and Transmit

Marine Standby and Receive (Rx) Mode

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), and alerts broadcast

by NOAA will activate the corresponding NOAA weather alert channels in your radio. 

NOTE

Coast Guard alerts are broadcast on Channel 16. You must have the 

WX Alert

turned On to receive NOAA weather alerts. While in 

Marine Standby

mode, you

will receive any messages sent on the channel to which you are tuned.

 

 

 

 

VHF Marine Radio Protocols

 

 

Operating Your Radio

Standby/Receive

and Transmit

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.

To Transmit a Message:

1.

Check to see that your radio is set to a proper channel for

the type of message you plan to send.

2.

Toggle to the 

Low Power

setting.

3.

With the microphone about 2 in. [51 mm] 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. 

Battery Power

icon is frozen for TX at whatever

level it was during receive.

S

  X

LO

MEDHI

A

B

I

U

Low Power Mode

SAM

ATIS VOX

LO

MEDHI

T

R

A

B

X

C

I

U

Check Channel Number

Talk Button

MEM

SAME

ATIS VOX

LOMEDHI

VHF

T

R

A

B

GMRS

X

C

I

U

WX Auto Search (SCAN)

350_VHF_Body_v8_MRHH330_ENG_Body  3/26/13  11:45 AM  Page 22

Summary of Contents for MR HH350 FLT EU

Page 1: ...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 Besides two way communications the radio can provide quick access to receive all the NOAA National Oceanographic and Atmospheric Administration weather channels and alert you to weather emergencies with a tone on a weather channel you can select fo...

Page 2: ...ropped overboard It has an orange stripe so it s easy to retrieve Must use included battery to float 120V 12V Charger Included Use to charge battery pack at home in a car or in a boat Product Features Backlit LCD Screen and Product Features Product Features Introduction Locking Desktop Charger Holds the radio or battery in place while charging Vertical or horizontal mounting Call Tones Selectable ...

Page 3: ...life NOTICE Statements identify conditions that could cause damage to the radio or other equipment Safety Training Information This CobraMarine VHF 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 FCC OET Bulletin 65 Edition 97 01 Supplement C Evaluating Compliance with FCC...

Page 4: ...thium ion LiON rechargeable battery pack Use only the Cobra charger to recharge lithium ion LiON batteries in the radio Do not short circuit the battery pack When replacing the batteries dispose of the old batteries properly Batteries may explode if disposed of in a fire Changes or modifications to your radio MAY VOID its compliance with FCC Federal Communications Commission rules and make it ille...

Page 5: ...es for violations 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 NOTE This device complies with part 15 of the FCC Rules and Industry Canada license exempt RSS standards Operation is subject to the following two 2 conditions 1 This device may not cause harmful interference and 2 This device...

Page 6: ... batteries using the optional alkaline battery tray Installing the Battery Pack 1 Position the battery pack over the back of the radio 2 Engage the battery pack into the radio by sliding to the top until battery pack is fully seated against radio housing 3 Tighten the screw using the end of the belt clip to secure the battery pack to the radio Do not overtighten Only use the end of the belt clip t...

Page 7: ...or in a boat using the appropriate 12V or 120V power cord with 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 pro...

Page 8: ...ntrol past the detent position will turn the radio On or Off Volume Control Volume is controlled by turning the On Off Volume control To increase the volume turn the On Off Volume control clockwise To decrease the volume turn the On Off Volume control counterclockwise Batteries and Charger Maintaining the Battery Charge As you use your radio the battery power icon will show the battery power remai...

Page 9: ... CALL FLOATING MARINE HH350 Channel Up Down Buttons SAM ATISVOX LOMEDHI T R A B X C I U Currently On Channel 88 VHF Marine Radio Protocols Operating Your Radio Getting Started 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 ...

Page 10: ...F Marine Radio Protocols Getting Started High Medium Low H M L Power Button Your radio can transmit selectively at 1 3 or 6 watts of power 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 re...

Page 11: ...mode when set to ON MEM SAME ATISVOX LOMEDHI VHF T R A B GMRS X C I U Call Tone Alert VHF Marine Radio Protocols Operating Your Radio Setup Mode Programming SAM EDHI A B C I U Active Channel Map Icon ENT SETUP CALL FLOATING MARINE HH350 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 Sq...

Page 12: ...n 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 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 butto...

Page 13: ...ivate the corresponding NOAA weather alert channels in your radio NOTE Coast Guard alerts are broadcast on Channel 16 You must have the WX Alert turned On to receive NOAA weather alerts While in Marine Standby mode you will receive any messages sent on the channel to which you are tuned VHF Marine Radio Protocols Operating Your Radio Standby Receive and Transmit Transmit Tx Mode Transmit Tx mode g...

Page 14: ...heard NOAA Test Alert System To test this system NOAA broadcasts the 1050 Hz signal every Wednesday sometime between 11 a m and 1 p m in each local time zone Any receiver that can detect the weather alert tone may use this service to verify that this system is functioning properly WX H M L SC EM WX H M L Button VHF Marine Radio Protocols Operating Your Radio Standby Receive and Transmit Weather WX...

Page 15: ...mode 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 VHF Marine Radio Protocols Operating Your Radio Advanced Op...

Page 16: ...e MEM ESC button again to return to Marine Standby mode VHF Marine Radio Protocols Operating Your Radio Advanced Operation Using Tri Watch Tri Watch Scan Mode 1 From Marine Standby mode press the TRI WATCH button The TW SCAN will display on the matrix along with the three marine channels stored in the Tri Watch memory 2 The radio will scan through the three 3 Tri Watch memory channels 3 A signal o...

Page 17: ...ation has been programmed its associated channel will display on the LCD Your radio is now in Marine Standby mode on the selected memory location To Exit Memory Location 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 ho...

Page 18: ...ature MEM SAME LOMEDHI ROG VHF T R A B GMRS X C I U Floating Radio MEM SAME LOMEDHI VHF T R A B X C I U Memory Channel Scan W ESC MEM ENT SETUP C MEM ESC Button SCAN ESC MEM SCAN Button 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 cond...

Page 19: ...in Your Watch Whenever your boat is underway the radio must be turned On and be tuned to Channel 16 except when being used for messages Power Try 1 watt first if the station being called is within a few miles If there is no answer switch to 3 watts and call again You have the ability to go up to 6 watts of output power to increase your calling distance Remember the lower wattage outputs will conse...

Page 20: ...l 16 The Coast Guard generally does not make urgent marine information broadcasts or weather warnings on Channel 9 Boaters are still asked to keep watch on Channel 16 whenever the radio is turned on and not in use with another station To call another vessel or shore installation e g lock or bridge tender Make sure the radio is On Make sure you are in standby listening mode on Channel 16 Make sure ...

Page 21: ...rty 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 the other does not respond wait two 2 minutes and repeat You are permitted to attempt contact three 3 times two 2 minut...

Page 22: ...otocols Emergency Messages and Distress Procedure Marine Emergency Signals The three 3 spoken international emergency signals are The distress signal MAYDAY is used to indicate that a station is threatened by grave and imminent danger and requests immediate assistance The urgency signal PAN is used when the safety of the vessel or person is in jeopardy This signal is properly pronounced pahn The s...

Page 23: ... radio it will either be repaired or exchanged depending on the model Please allow approximately three 3 to four 4 weeks before contacting Cobra for status If the radio is out of warranty a letter will automatically be sent informing you of the repair charge or replacement charge 7 If your radio is returned for factory repair it will be returned to you with default settings restored Specifications...

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