on the receiving channel as long as it is present. If the signal ceases or is lost for five seconds or more, the radio resumes the scanning sequence. You can only enter Normal Scan mode when there are no channels stored in memory.

•Memory Scan: In Memory Scan mode, which is the default mode if any channels are stored in memory, only the channels that have been saved in memory are scanned in sequence. After the last saved channel number has been scanned, the cycle repeats.

•Priority Scan: In Priority Scan mode, which can be activated from either Normal or Memory Scan modes, you can scan all channels while alternately scanning Channel 16 to make sure that you don’t miss distress or emergency calls (for instance, 1,16, 2, 16, 3, 16, 4...).

Pressing the CANCEL/WX key will terminate the scan function and stop at the last scanned channel. You can also cancel the scan by pressing the 16/9 or the PTT keys.

To activate scan modes:

1a. Press and release the SCAN key when no channels are stored in memory to activate the Normal Scan function. The SCAN icon will appear on the LCD.

or...

1b. Press and release the SCAN key when there is at least one channel in memory to activate the Memory Scan function. The and SCAN icons will appear on the LCD.

or...

1c. Press and release the SCAN key for 3 seconds to enter Priority Scan mode. The Priority Scan (P) icon will appear on the LCD just before the SCAN icon.

2.During any scan, pressing the Up or Down Channel keys on the microphone handset changes the scan direction, where pressing Up increases the channel number while pressing Down decreases it. You can also turn the CH/ENTER knob on the radio base station either clockwise or counterclockwise, where clockwise will increase the channel number, while counterclockwise will decrease the channel number.

3.Press and release the SCAN key to terminate the Scan mode. If you are in Priority Scan mode, you must press the SCAN key twice to exit scan mode, once to exit Priority Scan mode, and again to exit Normal Scan mode. You can also press the CANCEL/WX key to terminate Scan mode. Scan mode can also be terminated by pressing the 16/9 or the PTT keys.

NOTE: During Scan mode, the BAND/SAVE, HI/LO/MEM, and Watch keys will not function and will sound an error beep if pressed.

36

Page 36 Page 38
Page 37
Image 37
Humminbird VHF255SW manual To activate scan modes
Page 36 Page 38

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.
Top Page Image Contents