To Next PageTo Next PageWhat to do if there is no sound from the Cobra Marine MR F77B GPS E speaker?
If you can't hear any sound from the speaker, the volume might be set too low, or the squelch level might be too deep. Try readjusting both the volume and squelch settings.
Why I cannot answer calls on my Cobra Marine Radio?
If you cannot answer calls, it could be because you are out of range of the other station, or the signal is being blocked by terrain. Try switching to high power (25 watts) or moving closer to establish a direct line of sight with the other station.
What to do if the Cobra Marine MR F77B GPS E Radio LCD display is off when the unit is turned on?
If the LCD display doesn't turn on when you power on the unit, the power connection may be improper. Ensure that all power connections are properly connected and secure.
What to do if my Cobra Marine MR F77B GPS E Radio cannot transmit?
If your radio cannot transmit, it might be because the selected channel is limited to receive only. In this case, switch to another channel.
Provides an introduction to the CobraMarine VHF radio and its functionalities.
Details on how to get help and support for the VHF radio product.
Identifies and describes the physical controls, buttons, and indicators on the transceiver.
Lists and briefly explains key features like GPS, DSC, dual watch, and waterproof design.
Crucial safety precautions, warnings, and notices for safe installation and operation.
Guidance on effective and safe marine communication practices using the VHF radio.
Information on licensing requirements, call signs, and user responsibilities for radio operation.
Standard procedures for maintaining radio watch, calling stations, and prohibited communications.
Step-by-step guide on how to perform voice calls to other vessels or shore stations.
Introduction to Digital Selective Calling, its benefits, and implementation.
Explanation of the MMSI number and its importance for DSC radio operation.
Defines international emergency signals like MAYDAY, PAN, and SECURITE for distress calls.
Detailed steps for sending and receiving distress calls via voice and DSC methods.
Lists items found in the package and information on ordering optional accessories.
Instructions for physically mounting the transceiver and making the electrical power connection.
Guidance on selecting, attaching antennas, and connecting external speakers and GPS devices.
How to turn the radio on/off, adjust volume, and set the squelch for clear reception.
Explanation of the various audible tones and alarms generated by the VHF radio.
Steps for selecting transmit power (HI/LO) and sending a voice message.
Instructions on accessing and navigating the radio's settings menu.
How to adjust LCD backlight, contrast, and confirmation tone settings.
Setting up channel maps for different regions and adjusting the radio's time.
Configuration options for the internal GPS receiver and the ATIS feature.
Procedure for performing a self-test of the radio's battery, transmitter, and antenna.
Instructions for entering the vessel's MMSI and ATIS numbers for DSC operation.
How to add, edit, or delete individual and group contacts in the DSC directory.
Settings for DSC call behavior, including position requests, auto channel switching, and call replies.
Using Channel 16+, Dual-Watch, and Memory Scan to monitor multiple channels.
Utilizing Public Address, Burp feature, and Rewind-Say-Again for enhanced communication.
Performing various DSC calls including distress, all ships, individual, and group communications.
Procedures for requesting and sending vessel position information via DSC.
Managing call logs, performing test calls, and connecting alarm inputs.
Guidance on cleaning, maintaining the radio, and resolving common operational problems.
Detailed technical specifications and performance data for the VHF marine radio.
Summary of channel assignments and their uses in English and Spanish.
Details on specific channels for Port Operations, Navigation, Maritime Control, and DSC.
A table listing longitudinal zones, their offsets, and corresponding cities for time setting.
Declaration of Conformity and CE Marking information regarding radio compliance.
General| Brand | Cobra Marine |
|---|---|
| Model | MR F77B GPS E |
| Category | Radio |
| Language | English |
