5. ALARMS

5.1.1Selecting the alarm buzzer

You may choose the buzzer from which to output the audio alarm as follows. Use the external buzzer connected to the processor unit if the internal buzzer volume is small.

Note: If “INTERNAL + EXTERNAL” is selected, the external buzzer sounds when turning the NAVpilot-511/520 off.

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

2.Press the course control knob to show the audio alarm options window.

INTERNAL BUZZER

INTERNAL +EXTERNAL

Audio alarm options window

3.Rotate the course control knob to select INTERNAL BUZZER or INTERNAL+EXTERNAL as appropriate.

INTERNAL BUZZER: Sounds the buzzer in the control unit.

INTERNAL+EXTERNAL BUZZER: Sounds the control unit buzzer and external buzzer if connected.

4.Press the course control knob.

5.1.2Selecting the beep pattern

The sound pattern of the audio alarm (WATCH ALARM, DEVIATION ALARM, XTE ALARM, SPEED ALARM, DEPTH ALARM and TEMP ALARM) can be selected as follows.

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

2.Press the course control knob to show the alarm interval options window.

SHORT

LONG

CONTINUE

Alarm interval options window

3.Rotate the course control knob to select SHORT, LONG or CONTINUE as appropriate.

200 ms

SHORT pattern

400 ms

LONG pattern

800 ms

800 ms

CONTINUE: Beep sounds continuously.

4. Press the course control knob.

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Furuno 511, 520 manual Selecting the alarm buzzer, Selecting the beep pattern, Audio alarm options window

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.