Set-Up Routines

Operating Your Radio

Confirmation Tone

The Confirmation Tone sounds when your CobraMarine VHF radio is turned On and to confirm all button presses except for the Talk button. If you would prefer not to hear the Confirmation Tone, you can turn it Off and On as you choose.

Key Tone

To Turn The Confirmation Tone On Or Off:

1. Enter the Settings menu and scroll to KEY TONE

Set-Up Routines

Operating Your Radio

U.S.A./International/Canada Channel Maps

Three (3) sets of VHF Channel Maps have been established for marine use in the U.S.A., Canada, and the rest of the world (International). Most of the channels are the same for all three (3) maps, but there are definite differences (see table on pages 14 through 23). Your radio has all three (3) maps built into it and will operate correctly in whichever area you choose.

 

with the Up/Down buttons.

2.

Press the Call/Set button and observe the current

 

confirmation tone setting — ON or OFF.

3.

Use the Up/Down buttons to switch to the setting

On/Off

you want.

 

4.Press the Call/Set button to select the setting.

5.Use the Up/Down buttons to scroll to EXIT.

6.Press the Call/Set button to return to the Settings menu.

Time Offset

All VHF, DSC, and GPS activities use a 24-hour clock and Universal Coordinated Time (UTC) which was formerly known as Greenwich Mean Time (GMT). Time Offset uses your connected GPS to gather time inputs. For time inputs to be converted to local time, you need to enter the hour offset of your local time zone from Greenwich. (See world city time zone chart on page 76.)

Time Offset

To Change The Time Offset:

1.Enter the Settings menu and scroll to TIMEOFST (time offset) with the Up/Down buttons.

2.Press the Call/Set button and observe the current setting.

3.Use the Up/Down buttons to change to the setting for your local time zone.

Set Time

4. Press the Call/Set button to select the setting.

5.Use the Up/Down buttons to scroll to EXIT.

6.Press the Call/Set button to return to the Settings menu.

NOTE

If you leave the time offset at zero, the LCD will show the time as UTC. If you enter the hour offset for your time zone, the LCD will show the local time. In either event, DSC messages will always be based on UTC.

Weather/UIC Button

Active Channel Map

To Set Your Radio For The Area In Which

You Will Be Using It:

1.From Standby mode, press and hold the Weather/UIC button. The radio will shift one (1) channel map and the active channel map will show on the top line of the LCD.

2.Repeat step 1 to shift to the next channel map(s) in the sequence USA, INT (International), CAN (Canada) then back to USA.

The radio will return to Standby mode each time the button is released.

30 English

Nothing Comes Close to a Cobra® 31

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Cobra Electronics MR F75-D owner manual Confirmation Tone, A./International/Canada Channel Maps, Time Offset
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MR F75-D specifications

Cobra Electronics has long been a name associated with reliable communication solutions, and the MR F75-D is no exception. This high-performance marine VHF radio is designed specifically for boaters, offering a blend of essential features, advanced technologies, and user-friendly characteristics that make it an excellent choice for both recreational and commercial marine applications.

One of the standout features of the MR F75-D is its Class D DSC (Digital Selective Calling) capability, which allows users to send distress calls and communicate with other vessels or coast guard stations at the push of a button. This increases safety on the water, as it provides an automated means to alert others in case of emergencies.

The radio operates seamlessly on the vital marine channels, ensuring that users have access to all the necessary frequencies for navigation and communication. With an impressive 25 watts of transmitting power, the MR F75-D provides extended range, ensuring that calls can be made even in challenging conditions.

The Cobra MR F75-D boasts an ergonomic design featuring a solid weather-resistant construction to withstand the harsh marine environment. Its large, easy-to-read backlit LCD display enhances readability in bright sunlight or low-light conditions, making it accessible under various circumstances.

Moreover, the radio includes a built-in NOAA weather radio with alerts. This feature keeps users informed about local weather conditions and forecasts, enabling them to make better decisions while out at sea. The option to scan channels and save favorites makes it easy to navigate through crowded frequencies to find the right communication line.

The MR F75-D is equipped with Dual Watch and Tri-Watch functions, allowing users to monitor two or three channels simultaneously. This increases the chances of receiving essential messages while on the water, providing greater peace of mind.

With a compact design, the MR F75-D can fit easily on most boats, while the intuitive controls enhance usability. The radio also supports external GPS connection, offering even better situational awareness.

In conclusion, the Cobra Electronics MR F75-D is a versatile, durable, and feature-rich marine VHF radio. With its DSC capabilities, NOAA weather notifications, and robust build, it proves to be an invaluable tool for safe and efficient marine communication, making it a top choice for any boating enthusiast.
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