5. ALARMS

5.1.3Setting the watch alarm

The watch alarm periodically warns the helmsman to check the autopilot when in the AUTO or NAV mode.

1.Rotate the course control knob to select “WATCH ALARM” from the ALARM SETUP menu.

2.Press the course control key to show the watch alarm options window.

OFF

ON

Watch alarm options window

3.Rotate the course control knob to select “ON” or “OFF” as appropriate. When selecting “ON”, you can set the time interval (1 to 10 min) at which to be alerted. If the set time passes without operation, the alarm sounds. Further, if three minutes elapse after the watch alarm has sounded, the message “TOUCH ME” appears. Press any key to clear the alarm.

4.Press the course control knob.

5.1.4Setting the heading deviation alarm

The deviation alarm sounds when the heading deviates more than a limit set than the current heading in the AUTO or NAV mode.

1.Rotate the course control knob to select “DEVIATION ALARM” from the ALARM SETUP menu.

2.Press the course control knob and the current value is circumscribed with a double rectangle.

3.Rotate the course control knob to set the degree of deviation (Setting range: 1 to 90°).

4.Press the course control knob.

5-3

Page 53
Image 53
Furuno 611, 511, 520 manual Setting the watch alarm, Setting the heading deviation alarm, Watch alarm options window

611, 520, 511 specifications

Furuno is a renowned name in the marine electronics industry, best known for its high-quality navigational and communication tools. Among its diverse product line, the Furuno 511 and 520 stand out as exceptional marine radars designed to enhance boating safety and efficiency.

The Furuno 511 radar is equipped with advanced technologies that offer a range of functionalities essential for navigating in various sea conditions. One of the key features of the 511 is its high-resolution display, which ensures that users can easily interpret radar images in real-time. This radar system operates on a frequency of 9.41 GHz, enabling it to provide superior target detection and tracking capabilities, crucial for identifying other vessels, landmasses, and potential hazards.

Another notable feature of the Furuno 511 is its automatic radar plotting aid (ARPA). This technology allows the radar to track multiple targets simultaneously, providing mariners with critical information such as their relative speed and course. This tracking ability enhances situational awareness and aids in making informed decisions on course adjustments.

On the other hand, the Furuno 520 radar is designed with similar cutting-edge technologies, offering a robust suite of features tailored for both commercial and recreational vessels. The Furuno 520 boasts advanced signal processing capabilities, which result in enhanced target discrimination and a clutter-free display. This is particularly beneficial in busy shipping channels or congested waters where distinguishing essential targets from background noise is vital.

The Furuno 520 also integrates a user-friendly interface, allowing for easy navigation of settings and options. This ease of use is further augmented by customizable display options, enabling users to tailor the radar presentation to meet their specific needs. Additionally, the radar incorporates automatic gain control, ensuring that targets can be seen clearly regardless of environmental conditions.

Both the Furuno 511 and 520 exemplify durability and reliability, constructed to withstand the rigors of maritime environments. With their robust builds and weather-resistant features, these radars are designed to function optimally, providing crucial navigational support in adverse conditions.

In conclusion, the Furuno 511 and 520 radars are exemplary pieces of equipment that deliver essential features and technologies for maritime navigation. Their advanced tracking capabilities, signal processing, and user-friendly interfaces make them ideal for enhancing safety and efficiency on the water. For anyone serious about marine navigation, investing in these high-performance radars is a smart decision that can significantly improve situational awareness and overall boating experience.