Getting Started

Operating Your Radio

Getting Started

Operating Your Radio

Power On-Off – Volume/Squelch

On-Off

Transceiver power can be turned On or Off by using the On/Off — Volume rotary concentric knob located at the upper right-hand side of the radio.

Channel Select Knob

SELECT

Channel Select Using Radio Knob

Allows for the manual selection of all the VHF marine channels that have been established for use in the U.S.A., Internationally and in Canada.

On/Off Power/ Volume Knob

Volume

Volume is controlled by turning the On/Off Volume rotary concentric knob. The radio speaker is located on the left side

MEM

NOTE

This knob will also allow scrolling in many of the setup and advanced operation menus.

Squelch Knob

of the display.

To increase the volume, turn the Rotary knob clockwise.

To decrease the volume, turn the Rotary knob counterclockwise.

Squelch

Squelch control is controlled by turning the inner (back) rotary concentric knob located directly behind the On/Off – Volume knob. With the power On, turn the knob counterclockwise till you hear a hissing sound, then turn the knob clockwise till the hissing stops. This will establish a “Baseline” squelch.

When the Channel Select knob on the radio is turned in a clockwise rotation, higher numbered VHF marine channels can be accessed. When the Channel Select knob on the radio is turned in a counterclockwise direction, lower numbered VHF marine channels can be accessed.

Channel Select Using Microphone

By pressing microphone Channel Up button, higher numbered VHF marine channels can be accessed. By pressing the microphone Channel Down button, lower numbered VHF marine channels can be accessed.

Local Mode Button

Local Mode Button

The radio features a Local Mode button that decreases radio

 

 

sensitivity when operating inside populated areas.

By turning the knob further in a clockwise direction, you will filter weak and medium-strength signals. By turning the knob further in a counterclockwise direction from your baseline setting, you will receive weaker signals.

Squelch control filters weak signals and radio frequency (RF) noise so that you will clearly hear the signals you want.

NOTE

If the Squelch is set so that you can hear a continuous hissing sound, the Memory Scan and Tri-Watch functions will be blocked.

26 English

■ When the Local Mode button is On, the power of an inbound receive (Rx) signal is reduced without distorting the waveform. Reducing an inbound signal power prevents “noise interference” from random RF Noise in populated marinas, cities and commercial areas. When the Local Mode button is On, the “Local On” icon displays.

■When the Local Mode button is Off, the radio receives a full signal with an extended operational range.

Channel Preset Buttons Channel Preset (Function) Buttons

Use the Channel Preset buttons for direct access to favorite channels in the Standby mode and as selection keys in the Setup mode.

■ When a Channel Preset button is pressed and released, the radio goes directly to the assigned preset channel. If no preset channels are assigned, three (3) error tones sound. After the button is released, the radio returns to the Standby mode.

■When a Channel Preset button is pressed and held for more than two (2) seconds, the working channel will be assigned to the button.

Nothing Comes Close to a Cobra® 27

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Cobra Electronics MR F80B-D owner manual Power On-Off Volume/Squelch, Local Mode Button
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MR F80B-D specifications

The Cobra Electronics MR F80B-D is a compact and feature-rich fixed mount VHF marine radio designed specifically for boating enthusiasts and maritime professionals. Renowned for its robust construction and innovative technology, this radio ensures reliable communication over marine channels, even in adverse weather conditions.

One of the standout features of the MR F80B-D is its built-in GPS, which provides real-time location tracking. This functionality is crucial for ensuring safety on the water, allowing users to quickly and accurately communicate their position in case of emergencies. The built-in GPS also supports DSC (Digital Selective Calling), which is an essential safety feature that enables users to send distress signals with just a push of a button, instantly alerting nearby vessels and coast guards.

The Cobra MR F80B-D is designed with user-friendliness in mind. Its large, easy-to-read display ensures that critical information is visible, even in bright sunlight. The intuitive navigation menu allows users to switch between channels and settings with ease. Its robust weatherproof construction guarantees continued operation in harsh marine environments, protecting it from saltwater, humidity, and extreme temperatures.

Additionally, the MR F80B-D incorporates a noise-canceling microphone that enhances voice clarity, ensuring that communications are crisp and clear. It features 10 NOAA weather channels, providing real-time weather updates, helping users stay informed about changing weather conditions while on the water. The built-in dual watch feature allows simultaneous monitoring of two channels, ensuring that no important communications are missed.

For those who need to stay connected to their devices, the MR F80B-D comes equipped with a USB charging port, making it straightforward to charge smartphones or other devices on board. The radio operates on both 25 watts and 1 watt, allowing users to select the appropriate power level based on their needs and proximity to other vessels or coastal facilities.

In conclusion, the Cobra Electronics MR F80B-D is a versatile and reliable marine radio that offers a combination of advanced features, including built-in GPS, DSC functionality, and a user-friendly interface. Its durability and ease of use make it an excellent choice for both recreational boaters and maritime professionals, ensuring secure and effective communication on the water.
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