Digital Select Calling (DSC)

Operation

Operating Your Radio

Receiving A Position Request

When you went through the DSC set-up process, you set a position request reply type. (See page 44 to change your setting.) Depending on the setting you chose,

Digital Select Calling (DSC)

Operation

Operating Your Radio

Sending A Position Send

Position Send uses your connected GPS in similar fashion to the position request function, except that you initiate the activity to let another station know where you are.

when a Position Request message is received, your radio will enter either:

The Auto Reply mode.

The Manual Reply mode.

Standby Mode

To Send A Position Send Message:

1. In Standby mode, select a channel on which you want

to communicate.

Position Request

Position Request

Reply/Exit

When The Radio Is In Auto Reply Mode:

A position request will sound the position request alarm and show the name of the requesting station on the LCD. Your radio will automatically respond.

It will send your position, if you have a GPS connected to your radio, or NO POS. DATA (no position data), if you do not have a GPS device connected.

Press any button to silence the alarm and exit the display.

When The Radio Is In The Manual Reply Mode:

A position request message will sound the position request alarm and show the name of the requesting station. You can choose to:

Reply and send your position.

Exit without sending your position.

If You Choose To Reply With Your Position:

1)Use the Up/Down buttons to select REPLY.

2)Press the Call/Set button to send your position.

3)Press any button to return to Standby mode.

If You Choose Not To Reply:

1)Use the Up/Down buttons to select EXIT.

2)Press the Call/Set button to return to Standby mode without sending your position.

Position Send

Individual Directory

Transmit Position

Send/Exit

Position Send

2.

Press the Call/Set button to enter the Call Send menu.

3.

Use the Up/Down buttons to scroll to POS SEND

 

(position send).

4.

Press the Call/Set button to enter the individual directory.

5.

Use the Up/Down buttons to select the station

 

to which you want to send your position.

6.

Press the Call/Set button to send your position.

After your position is sent, the LCD will show POS SEND (position send). You will have two (2) choices.

Resend your position to the same station.

Exit from Position Send mode.

To Resend Your Position:

1)Use the Up/Down buttons to select SEND.

2)Press the Call/Set button to resend your position.

To Exit From The Position Send Mode:

1)Use the Up/Down buttons to select EXIT.

2)Press the Call/Set button to return to the Call Send menu.

Receiving A Position Send

When another station sends you its position in Position Send mode, the individual alarm will sound and the station’s name and position will be shown on the LCD. Press any button to turn Off the alarm and return to Standby mode.

 

 

 

 

56 English

Nothing Comes Close to a Cobra® 57

Page 31
Image 31
Cobra Electronics MR F75-D owner manual Receiving a Position Request, Sending a Position Send, Receiving a Position Send

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.