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DSC SETUP: CREATE AND MANAGE GROUP MMSIS

You can save up to three Group MMSI numbers and associated Group names. Group MMSI numbers always begin with a zero (0). You will only enter the last 8 digits of the Group MMSI, as the intial “0” is entered automatically.

To enter Group MMSIs:

1.From the DSC Setup Submenu, select GROUP MMSI. If existing Group Names and Group MMSIs are stored, they will be displayed. If there are no existing names, dashed lines will appear on the LCD instead.

2.To enter a Group Name and MMSI into a blank line, rotate the CH/ENTER knob to select the first desired character (A-Z, 1-9, space and back arrow "<") for the name. When the desired character is shown, press the CH/ENTER knob to select it; continue to select characters for the Group Name in this way. When the last digit is entered, you will be automatically advanced to the first MMSI digit.

NOTE: Some characters may be spaces; turn the CH/ENTER knob one click counterclockwise to remove a _ and replace it with a blank space, then press the CH/ENTER knob once more to select it and move to the next character.

3.Enter the MMSI number associated with that Group Name . The first digit is required to be a “0” (zero), and is entered automatically, so you only need to enter 8 digits to complete the 9 digit MMSI. A confirmation message will appear to ask you if you want to save the Group Name.

4a. Press the CH/ENTER knob to save the new entry.

or

4b. Press the CANCEL/WX key to terminate the process without saving; you will be taken back to the Group MMSI screen.

USER MMSID >GROUP MMSID INDIV REPLY DSC ENABLE POS REPLY

USER GROUP > - - - - - - - -

- - - - - - - - -

- - - - - - - -

GROUP NAME > - - - - - - - - - -

GROUP MMSID ID O - - - - - - - -

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Humminbird VHF255SW manual DSC Setup Create and Manage Group Mmsis, To enter Group MMSIs

VHF255SW specifications

The Humminbird VHF255SW is an advanced VHF marine radio designed for reliability and performance on the water. It is built for recreational boaters, offering a combination of essential features and cutting-edge technologies that enhance communication and navigation safety.

One of the standout features of the VHF255SW is its robust 25-watt output power, which provides extended range communication, allowing users to reach distant vessels and shore stations effectively. This high power output is crucial in emergency situations or when out on open water, ensuring that skippers can maintain contact when it matters most.

The radio is equipped with a built-in Class D Digital Selective Calling (DSC) capability, which is designed to enhance safety. This feature allows users to send a distress signal automatically to the coast guard and other vessels within the vicinity, including their location coordinates. The DSC functionality can be a lifesaver in case of an emergency, providing peace of mind for boaters.

Another key characteristic of the VHF255SW is its large, high-contrast LCD display, which is easy to read even in bright sunlight or at night. The multi-color display features adjustable backlighting, ensuring users can navigate and communicate effectively in various lighting conditions. The intuitive user interface simplifies operation, making it accessible for even the most novice boater.

Additionally, the Humminbird VHF255SW is equipped with a built-in GPS receiver, which allows for enhanced positioning and mapping capabilities. This integration enables users to access real-time information, making navigation smoother and more efficient. The unit also supports navigating to specific waypoints and routes, making it an excellent tool for fishing and exploring new waters.

The radio is designed with a rugged, waterproof housing that meets IPX7 standards, meaning it can withstand submersion in water for short periods. This durability ensures that it operates reliably in rough marine conditions. The Humminbird VHF255SW also features a noise-canceling microphone for clearer communication, minimizing background noise during transmissions.

In summary, the Humminbird VHF255SW blends important marine communication capabilities with advanced technology. Its combination of high output power, DSC functionality, built-in GPS, and a user-friendly interface makes it an invaluable asset for any boating enthusiast, ensuring safety and confidence on the water. With its rugged design and reliability, the VHF255SW is a smart choice for those who demand quality and performance from their marine radio.