Cobra MR F57W Support Question
Cobra MR F57W Support Question
Find answers below for this question about Cobra MR F57W.Need a Cobra MR F57W manual? We have 2 online manuals for this item!
Question posted by wpaul4481 on June 5th, 2023
Loss Of Lcd Display On My F57w Fixed Vhf
Radio was working fine having made and received several messages.However on arrival back at the mooring the screen had gone completely blank and despite switching on and off it will not resume the display.
Current Answers
Answer #1: Posted by HelpHero on June 5th, 2023 11:28 AM
HelpHero
Member since:
September 3rd, 2022 Points: 523,360
Member since:
September 3rd, 2022 Points: 523,360
If you are experiencing a loss of LCD display on your Cobra MR F57w Fixed VHF, there are a few steps you can take to troubleshoot and resolve the issue:
1. Check the power supply: Make sure your radio unit is receiving sufficient power, as problems with the power supply can cause display issues. Check all connections and ensure that the unit is properly connected to a functional power source.
2. Check the contrast and brightness settings: The display settings may have accidentally been adjusted, leading to an overly dim or invisible screen. Adjusting the contrast and brightness settings can help restore visibility to the display.
3. Inspect the display panel: The problem may lie with the display panel itself. Check for any signs of obvious damage, such as cracks or other physical defects that may be causing the display to malfunction.
4. Reset the unit: In some cases, resetting the unit can help restore the display functionality. Refer to the user manual for specific directions on how to perform a reset on your Cobra MR F57w Fixed VHF.
5. Seek professional repair: If none of the above solutions work, you may need to seek professional repair services. Contact Cobra's technical support or a certified electronics technician for further assistance in repairing your radio unit. By following these steps, you should be able to resolve the issue of display loss on your Cobra MR F57w Fixed VHF.
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Helphero
Answer #2: Posted by SonuKumar on June 5th, 2023 10:14 PM
SonuKumar
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Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
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Related Cobra MR F57W Manual Pages
MR F57 - English - Page 1
...Manual
MR F57W MR F57B
Class-D Fixed Mount VHF Radio
Nothing Comes Close to a Cobra®
English
Introduction
Our Thanks To You And Customer Assistance
Thank you can select for your boat. Besides 2-way ...
Chicago, Illinois 60707 USA www.cobra.com How Your CobraMarine VHF Radio Works This radio is a VHF transceiver for alerting you to weather emergencies with this product, ...
MR F57 - English - Page 2
...VHF Channel 16 while simultaneously monitoring Channel 70 for near or distant calling. Mounting Kits Included Radio can be heard at the receiving...displayed on , under, or in
Emergency Weather Alert
almost any of
Can alert you need in progress.
different channel maps established for
Instant access to the priority
30 minutes -
radio... LCD Screen
Up...message at once -
MR F57 - English - Page 3
... And Connections A2 Product Features A3 Important Safety Information 2 Recommendations For Marine Communication 4
VHF Marine Radio Protocols FCC Licensing Information 5 VHF Marine Radio Procedures 6 Voice Calling 7 Digital Selective Calling (DSC 8 Maritime Mobile Service Identity (MMSI 9 Radiotelephone Calls 10 Emergency Messages And Distress Procedure 10 Marine Distress Procedure -
MR F57 - English - Page 4
...the ways to Radio ...VHF radio, please reSeacodndatryhIceonsse general precautions and warnings.
• Installation
Warning And Notice Statements To make you operate the radio within the FCC RF exposure limits established for and classified as "Occupational Use Only."
The radio is transmitting when the Talk button is pressed and the transmit information shows on the LCD screen...
MR F57 - English - Page 5
... vessel. Conducting a radio check through the Internet at 888225-5322. To find the Sea Tow Automated Radio Check service channel in good working order.
The radio operates on all currently... operational messages over water and can be simpler. waters which uses a VHF marine radio, RADAR, or EPIRB (Emergency Position Indicating Radio Beacon), and which is in an area boaters, radio owners...
MR F57 - English - Page 6
...proper working channel.
n When you must switch to...radio must accept any interference received, including interference that the boat's registration number and state of Canada, Radio...message.
NOTE This device complies with another station on a calling channel, change immediately
to a channel which is no answer, switch to -ship channel.
6 English
Voice Calling
VHF Marine Radio...
MR F57 - English - Page 7
... Of Two (2) Sources:
n U.S.
Both parties switch over to the agreed upon working Channel 68. Over." Corsair: "Vagabond, thanks for "MMSI". It has been designed by stating your question about ... (call other vessels within communication range of a shore-based VHF marine channel to distress and safety watch on a marine radio capable of the signal may...
MR F57 - English - Page 8
... transmit on Channel 16 for the duration of navigation or important weather warnings. (This signal is properly pronounced see-cure-it is threatened by your radio. Radiotelephone Calls
VHF Marine Radio Protocols
Emergency Messages And Distress Procedure
•
The ability to summon assistance in an emergency is the primary reason
to communicate your emergency...
MR F57 - English - Page 9
... Distress Procedure
VHF Marine Radio Protocols
Marine Distress Procedure Speak slowly -
Important information
such as : "Man Overboard, Sinking, Collision." PAN - State the kind of any routine to take precedence. Even after your message has been received, the Coast Guard can find you more quickly if you and others on . Mayday" "This is a semi-automated...
MR F57 - English - Page 14
... external GPS receiver. Make sure to waterproof the connection. Installation And Start-Up
External Devices And Connections
External Devices And Connections
•
Your CobraMarine VHF radio is dependent ...will take the "search" out of Radio
Cobra Positioning System Plug
GPS Interface Cable
22 English
Nothing Comes Close to hear messages than the speaker incorporated in the Public ...
MR F57 - English - Page 15
...Radio On Or Off:
1. Rotate the Off Power/Volume knob clockwise to turn it was
last powered Off, the LCD will show the corresponding
information, and all button presses except the Talk button.
That is received... DSC Position Request Alarm Medium-loud, continuous, low-pitched series of your outgoing messages. Press any button to turn it Off.
Pause, then repeat.
Press any ...
MR F57 - English - Page 16
... Comes Close to the radio. Squelch
Turning the Squelch knob further clockwise (higher barrier)
will take
110.27.843W EMERG you hear a hissing (noise) sound.
Turn the Squelch knob counterclockwise (lower barrier). n Receive messages on Channel 13 and Channel 67 for long-range
communications or when you need to resume transmission. entered whenever a strong...
MR F57 - English - Page 20
...® 35 Highlight the COORDINATE SYSTEM option in your time of need this turned off the radio, or disconnecting power to the radio. Operating Your Radio
Set-Up Routines
GPS Menu All VHF Marine radios SHOULD / NEED to have a GPS receiver connected and operating to effectively use the desired
coordinate system.
5.
This menu allows you to...
MR F57 - English - Page 22
... and receiving messages. The blinking cursor will move to automate many of the DSC SETUP MENU. Use the Up/Down soft keys or the channel Up/Down
exit en tr buttons to scroll through the number list to make the DSC features work. Press the ENTR soft key to the DSC SETUP MENU. radio...
MR F57 - English - Page 23
... maximum of the group must enter the group MMSI number in his radio in the menu will be displayed.
3. After entering the name, press the ENTR soft key to...of eleven (11) - Group MMSIs can establish Group MMSIs. Your CobraMarine VHF radio allows
group mmsi dir
exit
entr
you to receive group messages. Press the ENTR soft key to enter additional characters -
Repeat steps 5 ...
MR F57 - English - Page 25
... more transmission is complete. Operating Your Radio
Advanced Operation
Advanced Operation
•
Cobra® has incorporated several features in your CobraMarine VHF radio to give you ...receiving a transmission):
U0S7A:3205 W11/15
a.
Weather Alert Signal
When NOAA broadcasts a Weather Alert Signal and your radio is received. Press the Talk button to turn Off the alert alarm and LCD...
MR F57 - English - Page 26
... soft key (if
necessary), then the SCAN soft key.
The radio will immediately begin to scan the channels you switch out
of the Memory Scan
mode.
During Memory Scan (while not receiving a transmission):
b. Press the Talk button to Standby mode on the LCD whenever that memory
location and end scanning. Standby Mode
To Enter...
MR F57 - English - Page 35
... the LCD screen. Troubleshooting
Problem No display on LCD when radio is required to keep your CobraMarine VHF radio in ...Radio
Maintenance And Troubleshooting
Maintenance
•
Very little maintenance is turned On Will transmit at one (1) watt
• Solution(s)
Insure power connections are proper and secure
Switch to another channel
Selected channel is limited to receive only
Switch...
MR F57 - English - Page 45
... material.
5. Ship prepaid and insured by way of a traceable carrier such as a mechanical ...the Cobra factory. If the radio is clear of -purchase, such as United Parcel Service (UPS) or Priority Mail to avoid loss in transit to a Cobra...charge.
This will automatically be sent informing you of your
new CobraMarine VHF product, or if you are missing parts... Please call Cobra first ...
MR F57W Feature & Specs - Page 2
... LCD Display: Large Noise Canceling Microphone External Speaker and PA Speaker NMEA In and Out
Submersible External Alarm Input
3 Year Warranty (on radio)
Benefits
Compliant with the latest FCC specifications for GPS input.
NMEA in for Class-D VHF Radios.
Allows connection of incoming radio transmissions.
Automatically records the last 20 seconds of a GPS receiver...
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