CANCEL/WX: Use this dual function key to cancel your last selection or change your selection without saving. This allows you to step back one level on the menu mode. Use this key to cancel DSC Distress calls and auto-retransmission of Distress calls. Press and hold this key to enter WX (Weather) mode.

DSC/MENU: Use this dual function key to view the DSC Call List or enter the Setup Menu. The DSC Call List is used for making DSC Calls. The Setup Menu is used to change the radio settings.

HI/LO/MEM: Press and release the HI/LO/MEM key to toggle between 25 Watt power output and 1 Watt output. “HI” or “LO” icon appears on LCD display to indicate setting. Press and hold the key to select Memory mode.

SCAN: Use this key to start and stop normal and memory scans or to include priority channels into the current scan. If you have saved memory channels, then pressing the SCAN key will only scan the memory channels.

WATCH: Use this key to start or stop Dual Watch or Tri Watch modes.

16/9: Press and release the 16/9 key to select Channel 16 first; further presses of the 16/9 key toggles between Channel 16 and the previous channel. Pressing and holding the 16/9 key will take you to Channel 9. Further presses will take you back to toggling between Channel 16 and the previous channel. Press the 16/9 key at any time as a quick way to exit all menus and return to Normal mode, Channel 16.

DISTRESS: Use this key to send a distress signal in an emergency. See Using Your VHF255s, 14. Digital Selective Calling (DSC) for details of sending the call. This key is protected by a spring cover to prevent accidental presses. The DSC/Distress features function only after you have entered an MMSI.

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Humminbird VHF255SW manual
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VHF255S, 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.
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