Zoom displays

Three types of the zoom displays are available: bottom-lock, bot- tom zoom, and marker zoom.

Bottom-lock

The bottom-lock expansion display provides a compressed normal display on the right side and a "narrow" or "wide" layer (distance depends on unit of measurement) in contact with the seabed onto the rest of the screen with the seabed contour displayed by a straight line on the bottom-lock display. This display offers excellent bot- tom fish discrimination, which is vital for bottom trawling.

Bottom-lock display

 

 

50

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68.3

 

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

162

10

 

 

 

 

200k

200

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CSE 180.0°

 

SPD

16.8kt

 

2D

 

 

 

 

 

 

 

 

 

 

 

 

 

DEP 113.6 ft

 

TMP 16.0 °C

12.0V

 

 

 

 

 

 

 

 

POS 34° 26.245' N

135° 41.232' E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Display range marker

Normal display

Figure 3-4 Bottom-lock display

Note: For the bottom-lock expansion display, the seabed contour must be steadily and distinctly plotted. Adjust the gain or select automatic operation. You may select the bottom-lock expansion range (wide or narrow) on the SOUNDER SETUP menu in the SYSTEM menu.

Bottom zoom

The bottom zoom display expands bottom and bottom fish echoes two, three, four or five times on the left half of the screen. The zone expanded is indicated by the zoom range markers on the nor- mal display.

The zone automatically moves so that the bottom echoes locate on the lower half screen.

This mode is useful for observing hardness of the bottom closely together with bottom fish. Many fishermen find the place where bottom fish are likely to be, from the shape of bottom profile and length of bottom echoes. The length of the bottom echo is an indi-

3 – 3

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Image 53
Furuno GP-1600F manual Zoom displays, Bottom-lock
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GP-1600F specifications

The Furuno GP-1600F is an innovative marine GPS chart plotter designed for the serious boating enthusiast or commercial mariner. This advanced device combines reliable positioning accuracy with a range of user-friendly features, making it a popular choice for those navigating both coastal and offshore waters.

One of the standout features of the GP-1600F is its high-resolution color display. The 6.5-inch screen provides a clear and vibrant view of maps and navigational data, ensuring that users can quickly interpret information at a glance even in bright sunlight. The user interface is intuitive, enabling both novice and experienced users to operate the device effortlessly.

The GP-1600F incorporates advanced GPS technology, providing incredibly precise positioning capabilities. With a high-sensitivity GPS receiver and Fast Acquisition Technology, the unit is designed to lock onto satellites quickly, even in challenging environments. The built-in WAAS (Wide Area Augmentation System) receiver further enhances accuracy, ensuring that boaters can navigate with confidence.

One of the notable features of the GP-1600F is its ability to integrate seamlessly with other Furuno marine electronics. This capability allows users to expand their system with additional components, such as radar or fish finders, creating a comprehensive navigation solution. The ability to share data between devices enhances situational awareness and allows for more informed decision-making on the water.

The GP-1600F also comes equipped with advanced charting capabilities. Users can access a variety of maps and navigational charts, including vector and raster formats, to suit their specific needs. The unit supports C-MAP and Navionics chart formats, providing flexibility for different boating environments. This versatility makes it an excellent option whether you are cruising on a lake, sailing in coastal waters, or engaging in offshore adventures.

In terms of durability, the GP-1600F is built to withstand the harsh marine environment. It comes with a rugged housing that is both waterproof and resistant to saltwater corrosion, ensuring reliability in all conditions. The unit's design also includes a user-replaceable fuse, making maintenance straightforward and cost-effective.

Overall, the Furuno GP-1600F is a robust and feature-rich marine GPS chart plotter that combines advanced technology with practical usability. Its high-resolution display, precise GPS capabilities, integration options, and durable construction make it an ideal choice for any serious mariner looking to enhance their on-water navigation experience. Whether for leisure boating or professional use, the GP-1600F stands out as an essential tool for safe and informed navigation.
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