9. PLOTTER ALARMS

9.1Introduction

There are five plotter-related alarms which generate both audible and visual alarms: Ar- rival alarm, Anchor Watch alarm, XTE (Cross Track Error) alarm, Proximity alarm, and Speed alarm.

When an alarm setting is violated the buzzer sounds, and the speaker icon () appears in red. You may silence the alarm by press- ing the [CLEAR] key. The icon remains on the screen until the cause of the alarm is re- moved or the alarm is deactivated.

9.2Audio Alarm On/Off

The audio alarm sounds whenever an alarm setting is violated. You can enable or disable the audio alarm as follows:

1.Press the [ALARM] key to show the alarm menu.

sAUDIO ALARM

ON

ALARM1

 

ARRIVAL ALARM

ON 0.100nm

 

ANCHOR ALARM

ON 0.050nm

EDIT

PROXIMITY ALARM ON

 

XTE ALARM

ON 0.100nm

 

SPEED ALARM

OVER/UNDER

 

 

12.5 ~ 15.0kt

CLEAR

 

 

ALARM INFORMATION

ALARM

 

NO ALARM

 

 

NEXT

DGPS 3D

 

 

PAGE

Figure 9-1 Alarm menu

2.Press ▲ or ▼ to select AUDIO ALARM.

3.Press the soft key EDIT to show the au- dio alarm window.

AUDIO ALARM

▲

'ON

™OFF

▼

Figure 9-2 Audio alarm window

4.Press ▲ or ▼ to select ON or OFF.

5.Press the soft key ENTER or the [ENTER] key to register your selection.

9.3Arrival Alarm

The arrival alarm informs you that your boat is approaching a destination waypoint. The area that defines an arrival zone is that of a circle which you approach from the outside of the circle. The alarm will be released if your boat enters the circle. When the arrival alarm is active a red dashed circle marks the ar- rival alarm area.

Alarm range

Own ship

: Alarm area

Destination

 

waypoint

Figure 9-3 How the arrival alarm works

1.Press the [ALARM] key to open the alarm menu.

2.Press ▲ or ▼ to select ARRIVAL ALARM.

3.Press the soft key EDIT to show the ar- rival alarm window.

ARRIVAL ALARM

▲

'ON 0.500nm

™OFF

▼

Figure 9-4 Arrival alarm window

4.Press ▲ to select ON.

5.Operate the cursor pad to place the cur- sor on the digit desired.

6.Key in the alarm range desired. The ar- rival alarm range is 0.001 to 9.999 miles.

7.Press the soft key ENTER or the [ENTER] key.

9-1

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Furuno GP-1850F, GP-1850DF manual Plotter Alarms, Introduction, Audio Alarm On/Off, Arrival Alarm
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GP-1850F, GP-1850DF specifications

Furuno is renowned for its high-quality marine electronics, and the GP-1850DF and GP-1850F are no exceptions. These advanced GPS chart plotters are designed to meet the needs of both professional mariners and recreational boaters alike.

The GP-1850DF is equipped with a powerful 12-channel GPS that provides fast and accurate positioning information, while the GP-1850F features a sturdy built-in fish finder, making it ideal for anglers. Both units boast a brilliant color display that enhances visibility in various lighting conditions, ensuring that users can easily read information on the screen, even in direct sunlight.

One of the standout features of these models is their compatibility with a variety of chart formats, including C-MAP, and Furuno’s proprietary raster charts. This flexibility allows users to choose from a broad range of navigational charts, catering to specific regional needs and preferences. The intuitive interface of the GP-1850 series simplifies navigation, offering menu-driven commands and support for multiple languages.

Furuno has integrated advanced sonar technology in the GP-1850F model, including a high-resolution fish finder capable of detecting fish signatures with remarkable precision. The dual-frequency capabilities enable users to switch between higher frequencies for shallow water fishing and lower frequencies for deeper waters. This enriches the fishing experience while improving catch rates.

Moreover, both devices feature a built-in waypoint register, allowing users to store up to 1,000 waypoints, which can be essential for returning to promising fishing spots or navigating back to port. The navigation functions also include routes and track recording, empowering boaters to create custom paths and review their previous journeys.

The GP-1850 series also places a high emphasis on safety, incorporating features like man overboard (MOB) alarms and route alarms to enhance on-water safety. Additionally, they are designed to withstand the harsh marine environment, with waterproof housings that ensure durability during adverse weather conditions.

In conclusion, the Furuno GP-1850DF and GP-1850F models provide an exceptional combination of performance, reliability, and user-friendly features, making them a preferred choice for both fishermen and navigators. Their adaptability in various maritime situations, alongside advanced technologies, cements their reputation as essential tools for successful and safe voyages on the water.
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