Cobra Marine MR HH350 FLT Owner's Manual
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Cobra Marine MR HH350 FLT Owner's Manual

Vhf marine radio
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VHF MARINE RADIO
MR HH350 FLT
Nothing Comes Close to a Cobra
®
MRHH350WFLT_ENG_MANL_102617.indd 1-3
MRHH350WFLT_ENG_MANL_102617.indd 1-3
Main Icons
Our Thanks to You and
Customer Assistance
Introduction
Intro
Operation
Our Thanks to You
Thank you for purchasing a Cobra Marine
Properly used, this Cobra
Owner's Manual
many years of reliable service.
Installation
How Your Cobra Marine VHF Radio Works
Secondary Icons
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,
Notice
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
Main Icons
Main Icons
and alert you to weather emergencies with a tone on a weather channel you can select for
your area.
Customer Assistance
Customer Assistance
Intro
Operation
Customer
Warranty
Intro
Operation
Customer
Warranty
Assistance
Assistance
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, Cobra Electronics offers the following
Customer
customer assistance services:
Customer
Installation
Installation
Assistance
Assistance
For Assistance In The U.S.A.
Secondary Icons
Secondary Icons
Monday-Friday 9:00 AM- 5:00 PM EST
Call: 800-543-1608
SERVICE
Monday-Thursday 9:00AM-5:00PM EST
Notice
Caution
Warning
Notice
Caution
Warning
Call: 800-543-1608
Office:
6500 West Cortland Street,
Chicago, IL, 60707
Have questions? We can help. Contact us at 800-543-1608
M-F 9:00AM-5PM EST
For Assistance Outside the U.S.A.
Contact Your Local Dealer
English
A1
English
Customer
Warranty
Assistance
•
VHF radio.
®
product will give you
®
Customer
Assistance
Caution
Warning
©2021 Cobra Electronics Corporation
6500 West Cortland Street
Chicago, Illinois 60707 USA
www.cobra.com
Main Icons
Radio Controls
and Indicators
Introduction
Intro
Operation
Customer
Warranty
Assistance
Customer
Installation
Assistance
Antenna
Secondary Icons
Notice
Caution
Warning
Speaker/
Backlit
Microphone
LCD
ON/OFF/
External Cover
Screen
Volume Control
Push
to Talk
Button
Backlight/
Key Lock
ROG
Button
VHF
R
X
T
A
U
C I
B
Channel
LOMEDHI
MEM
Down
Button
FLOATING
MARINE HH350
Call/Enter
Button
CALL
ENT SETUP
16/9
TW
MEM
ESC
Tri-Watch
Button
SUBMERSIBLE
SCAN Button
Speaker
A2 English
Belt Clip
Battery
Battery
Door
Screw
Channel
Up Button
Instant
Channel
16/9 Button
Memory/Escape
Button
Power Level/
Weather Button
VHF Microphone
2/10/21 1:56 PM
2/10/21 1:56 PM

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Do you have a question about the MR HH350 FLT and is the answer not in the manual?

Questions and answers

mike morris
April 12, 2025

No sound or back light never worked transmitting ok had the radio awhile but would like to us it properly

0
1 comments:
Mr. Anderson
April 12, 2025

To fix the no sound and no backlight issue on your Cobra Marine MR HH350 FLT radio, try the following steps:

1. Check Battery: Ensure you are using the Cobra-provided drop-in charger and the rechargeable LiON battery pack. Do not use alkaline batteries in the charger. Replace fully discharged alkaline batteries with fresh ones if used.

2. Power On: Turn the radio on and check if a tone (beep) sounds when pressing buttons. This confirms the radio is responding.

3. Key Tones and Backlight: If key tones are turned off, you may not hear a beep. Turn key tones on to confirm button presses. The backlight should turn on and stay lit for 10 seconds after a button press.

If the radio still has no sound or backlight after these steps, the unit may need service or replacement.

This answer is automatically generated

0

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Summary of Contents for Cobra Marine MR HH350 FLT

  • Page 1 Warranty Intro Operation Customer Warranty Assistance Assistance Our Thanks to You • Thank you for purchasing a Cobra Marine VHF radio. ® Properly used, this Cobra product will give you ® Belt Clip Owner’s Manual many years of reliable service.

  • Page 2: Backlit Lcd (Liquid Crystal Display) Screen

    Main Icons Main Icons Main Icons Backlit LCD Screen and Product Features Product Features Notes Introduction Introduction Introduction Intro Operation Customer Warranty Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Assistance Backlit LCD (Liquid Crystal Display) Screen Product Features (continued) •...

  • Page 3: Table Of Contents

    Main Icons Table of Contents Main Icons Introduction Intro Operation Customer Warranty Assistance Introduction Our Thanks to You ..........A1 Customer Assistance .

  • Page 4: Important Safety Information

    Assistance Important Safety Information General Precautions • • Before installing and using your Cobra Marine VHF radio, please read these general The following WARNINGS and NOTICE information will make you aware of RF exposure Customer Installation Assistance precautions and warnings.

  • Page 5: Recommendations For Marine Communication

    If the 6 watt maximum output of your radio is not sufficient for the distances you travel from the coast, consider a higher powered handheld 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.)

  • Page 6: Included In This Package

    You should find all of the following items in the package with Secondary Icons If your vessel will be entering the sovereign waters of a country other than the U.S.A. your Cobra Marine VHF radio: or Canada, you should contact that country’s communications regulatory authority for licensing information.

  • Page 7: Install/Remove Antenna

    Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Install/Remove Antenna Wrist Strap and Belt Clip VHF Marine Radio Protocols Installation VHF Marine Radio Protocols Installation Customer Customer Installation Installation Install/Remove Antenna Assistance Wrist Strap and Belt Clip Assistance •...

  • Page 8: Batteries And Charger

    Main Icons Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Batteries and Charger Batteries and Charger VHF Marine Radio Protocols Installation VHF Marine Radio Protocols Installation Customer Customer Installation Installation Initial Charge To Remove Battery Pack from Radio Intro Operation Customer...

  • Page 9: Getting Started

    Main Icons Main Icons Intro Operation Customer Warranty Assistance Batteries and Charger Getting Started Main Icons Intro Operation Customer Warranty VHF Marine Radio Protocols Installation VHF Marine Radio Protocols Operating Your Radio Assistance Intro Operation Customer Warranty Customer Installation Maintaining the Battery Charge Assistance Assistance Getting Started...
  • Page 10 Main Icons Main Icons Getting Started Getting Started VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Radio Speaker and Microphone Assistance Channel Up/Down Buttons Assistance Speaker/Mic Port Channel Up/Down Buttons The internal Radio Speaker and Microphone are located on the Your radio will Receive (Rx) and Transmit (Tx) VHF signals on...

  • Page 11: Setup Mode Programming

    Main Icons Main Icons Getting Started Setup Mode Programming Main Icons VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty High/Medium/Low (H-M-L) Power Button Assistance Assistance Setup Mode Programming H-M-L Power Button •...
  • Page 12 Main Icons Main Icons Setup Mode Programming Setup Mode Programming VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Squelch Control Assistance USA/International/Canada Channel Maps Assistance Channel Up/Down Buttons Active Channel Map Icon Squelch Control filters weak signals and radio frequency (RF) noise Three (3) sets of VHF Channel Maps have been established...
  • Page 13 Main Icons Main Icons Setup Mode Programming Setup Mode Programming VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Call Tone Select Assistance Assistance Call Tone Select Weather (WX) Mode Programming This setting will also allow you to transmit a unique Call Tone alert to identify your radio when you transmit...

  • Page 14: Standby/Receive And Transmit

    Main Icons Main Icons Standby/Receive Standby/Receive and Transmit and Transmit VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Main Icons Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Transmit (Tx) Mode Assistance To Set WX Auto Search (SCAN) On or Off: WX Auto Search (SCAN) Check Channel Number WX auto search setup is only shown if WX Alert is set to ON.

  • Page 15: Customer Warranty

    NOAA broadcasts a 1050 Hz tone that receivers such as your Cobra Marine VHF radio can detect and warn you of a weather alert condition. When the Weather Alert mode on your radio is On, this signal will produce a loud tone from the speaker in the radio and will automatically switch to the alerting weather channel so the alert broadcast can be heard.

  • Page 16: Advanced Operation

    Main Icons Main Icons Main Icons Advanced Operation Advanced Operation VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Tri-Watch Mode Assistance Assistance Advanced Operation TRI-WATCH Button •...
  • Page 17 Main Icons Main Icons Advanced Operation Advanced Operation VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Memory Location Mode Assistance Using Tri-Watch Assistance TRI-WATCH Button MEM/ESC Button ENT SETUP Main Icons Tri-Watch Scan Mode:...
  • Page 18 Main Icons Main Icons Main Icons Advanced Operation Advanced Operation Intro Operation Customer Warranty Assistance VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Channel Scan Mode Assistance Assistance To Recall a Stored Memory Location:...

  • Page 19: Floating Feature

    Main Icons Main Icons Main Icons Main Icons Advanced Operation Floating Feature Intro Operation Customer Warranty Assistance VHF Marine Radio Protocols Operating Your Radio VHF Marine Radio Protocols Operating Your Radio Intro Operation Customer Warranty Intro Operation Customer Warranty Burp Feature Memory Location Scan Mode Assistance Assistance...

  • Page 20: Maintenance

    VHF Marine Radio Procedures • • Maintain Your Watch Very little maintenance is required to keep your Cobra Marine VHF radio in good operating condition: Whenever your boat is underway, the radio must be turned On and be tuned to Channel 16 Customer Customer Keep the radio and charger clean by wiping with a soft cloth and mild detergent.

  • Page 21: Customer Assistance

    Main Icons Main Icons Main Icons VHF Marine Radio Procedures Voice Calling VHF Marine Radio Protocols VHF Marine Radio Protocols Intro Operation Customer Warranty Intro Operation Customer Warranty Prohibited Communications Assistance Intro Operation Customer Warranty Assistance Assistance Voice Calling • You MUST NOT transmit: You are required to listen to Channel 16 while standing by.

  • Page 22: Emergency Messages And Distress Procedure

    Main Icons Main Icons Main Icons Emergency Messages and Voice Calling Distress Procedure VHF Marine Radio Protocols VHF Marine Radio Protocols Intro Operation Customer Warranty Intro Operation Customer Warranty Intro Operation Customer Warranty Main Icons Assistance Assistance Emergency Messages and Distress Procedure If the other does not respond, wait two (2) minutes and repeat.
  • Page 23 Main Icons Main Icons Emergency Messages Emergency Messages and Distress Procedure and Distress Procedure VHF Marine Radio Protocols VHF Marine Radio Protocols Intro Operation Customer Warranty Intro Operation Customer Warranty Marine Emergency Signals Marine Distress Procedure Assistance Assistance The three (3) spoken international emergency signals are: Speak slowly —...

  • Page 24: Warranty

    Main Icons Main Icons Emergency Messages and Distress Procedure Warranty VHF Marine Radio Protocols Warranty Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Warranty Terms: Assistance For Example Cobra warrants your product against all defects in materials and workmanship for a period of “Mayday —...

  • Page 25: Product Service

    Main Icons Main Icons Product Service Specifications Customer Service VHF Marine Radio Protocols Specifications Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance If you have any questions about operation or installing your new Cobra product, PLEASE Specifications (Typical) Assistance •...

  • Page 26: Vhf Marine Channel Assignments

    Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Introduction Appendix Introduction Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance VHF Marine Channel Assignments Asignación de canales de VHF para radiocomunicación marítima • • Three (3) sets of VHF channels have been established for marine use in the U.S.A., Existen tres (3) juegos de canales VHF para uso marítimo en los EE.UU., Canadá...

  • Page 27: Warranty

    Main Icons Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Introduction Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Assistance Channel Assignments (English) Asignaciones de canales (Español) Correspondencia pública (operador marítimo) Public Correspondence (Marine Operator) Customer Canales 84, 85, 86, 87, 87A, 88*...
  • Page 28 Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Channel Channel Map Frequency Power Limits Number Mapa de canales Frecuencia Límites de potencia Número Int’l Canada Transmit Receive Channel Use (English)
  • Page 29 Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Channel Channel Map Frequency Number Mapa de canales Frecuencia Número Int’l Canada Transmit Receive Channel Use (English) Uso de canales (Español) de canal Customer...
  • Page 30 Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Channel Channel Map Frequency Power Limits Number Mapa de canales Frecuencia Límites de potencia Número Int’l Canada Transmit Receive Channel Use (English)
  • Page 31 Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Channel Map Frequency Power Limits Channel Number Mapa de canales Frecuencia Límites de potencia Número Int’l Canada Transmit Receive Channel Use (English)
  • Page 32 Main Icons Main Icons VHF Marine VHF Marine Channel Assignments Channel Assignments Appendix Appendix Intro Operation Customer Warranty Intro Operation Customer Warranty Assistance Assistance Channel Map Frequency Power Limits Channel Number Frecuencia Límites de potencia Mapa de canales Número Int’l Canada Transmit Receive Channel Use (English)

  • Page 33: Weather Channel Assignments

    Main Icons Main Icons Main Icons VHF Marine Channel Weather Channel Intro Operation Customer Warranty NOAA Weather Channels Assistance Assignments Assignments and Alert Appendix Appendix Intro Intro Customer Operation Operation Customer Customer Warranty Warranty Intro Operation Customer Warranty Installation Assistance Main Icons Assistance Assistance...

  • Page 34: Order Info

    ©2021 Cobra Electronics Corporation Cobra®, Cobra Marine®, Nothing Comes Close to a Cobra®, and the snake design are registered trademarks of Cobra Electronics Corporation, USA. Cobra Electronics Corporation™ is a trademark of Cobra Electronics Corporation, USA.

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