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VHF Marine Radio Protocols

 

 

Operating Your Radio

Getting Started

Channel Up/Down Buttons

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 Change Channels:

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.

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.

SCAN 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 on the paused channel and remain there 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. 

NOTE

Memory channels need to be saved to effectively 

enter the 

Memory Channel

mode and scan all 

memory channels.

 

 

SCAN

ESC

MEM

SCAN Button

ENT  SETUP

CALL

FLOATING           MARINE HH350

Channel Up/Down Buttons

SAM

ATIS VOX

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 between the antenna and the 

Power/Volume

control. Unthread the 

Speaker/Microphone

port cover to access

and install an optional Cobra speaker or microphone into this port.

Talk Button

Press and hold the 

Talk

button to transmit messages.

Release the 

Talk

button to stop transmitting.

Backlight/Key Lock Button

To Display the Backlight Momentarily:

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.

Key Lock

To prevent accidental changes to your settings, you can

lock all of the following buttons:

Channel Up

Button

Channel Down

Button

SCAN

Button

MEM/ESC

Button

WX/H-M-L

Button

16/9

Button

TRI-WATCH

Button

Call/Enter/Setup 

Button

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.

Backlight/Key Lock Button

16/9

TW

SCAN

WX

H M L

ESC

MEM

ENT  SETUP

CALL

FLOATING          

SUBMERSIBLE

MEM

SAME

ATIS VOX

LOMEDHI

ROG

VHF

T

R

A

B

GMRS

X

C

I

U

MARINE HH350

Key Locked Buttons

VHF

GMRS

Key Lock Icon

Speaker/Mic Port

Talk Button

350_VHF_Body_v8_MRHH330_ENG_Body  3/26/13  11:45 AM  Page 14

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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