You can use the zoom range shift to move the zoomed area up or down to magnify any section of the water column between the bottom and the surface.

To adjust the zoom range shift:

1.Display the Sounder screen and the control panel. If you can't see the

Range, Zoom and Split button, select Return.

2.Select Range, Zoom and Split.

3.The Zoom Range Shift button shows the current setting. Select the button if you want to change the setting.

Select:

ƒShallower to zoom a different part of the water column, closer to the surface

ƒDeeper to zoom a different part of the water column, closer to the bottom

4.The new setting is applied immediately and stays until you change it again. Select OK to confirm the new setting.

16.16Select a split bottom lock screen

Split bottom lock ensures that the bottom is always shown on the Sounder screen, regardless of any changes in depth.

You can use the split bottom lock screen to zoom in on the bottom so that you can easily compare different echo strengths. This can be helpful if you're trying to identify the type of bottom or locate objects on or close to the bottom.

To show and adjust the split bottom lock screen:

1.Display the Sounder screen and the control panel. If you can't see the

Range, Zoom and Split button, select Return.

2.Select Range, Zoom and Split. The View Mode button shows the current setting.

3.Select the button if you want to change the setting and a drop down list of choices appears.

4.Select Bottom. The Sounder screen changes to show:

ƒThe history in the right hand side with the bottom always in view

ƒThe zoomed area of bottom in the left hand side

ƒThe numbers at the top and bottom of the zoomed area show the extent of the zoomed area of bottom. The lower number may show a negative reading, indicating that this area lies within the bottom.

5.When you are finished, select Return.

NOTE: If the A-scope is already shown, this will also be shown on the split screens too.

16.17Change the ratio of a split screen

You can use the split screen ratio to adjust the sizes of a split screen.

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NorthStar Navigation 8000I operation manual Select a split bottom lock screen, Change the ratio of a split screen
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8000I specifications

The NorthStar Navigation 8000i is a sophisticated marine navigation solution designed to enhance the safety and efficiency of marine operations. Utilizing the latest technology and innovative features, the 8000i provides users with a comprehensive navigation tool that is both user-friendly and highly reliable.

At the heart of the NorthStar 8000i is its advanced GPS integration, which delivers precise positioning and navigation capabilities. The system supports multiple satellite systems, allowing for exceptional accuracy and reliability in determining a vessel's location, even in challenging conditions. The 8000i uses Differential GPS (DGPS) to further improve positional precision, making it suitable for commercial vessels and recreational boaters alike.

One of the standout features of the NorthStar 8000i is its large, high-resolution color display, which presents information in a clear and accessible manner. The screen offers customizable layouts, allowing users to prioritize the data they find most critical. The interface is designed with simplicity in mind, enabling users to access navigation tools, charts, and other features quickly and easily.

The NorthStar 8000i is equipped with advanced cartography options, including support for a variety of chart formats. Users can choose between vector and raster charts, ensuring that they can find the best option for their specific needs. The system also supports both local and regional data, providing an extensive coverage area for vessels operating in different waters.

In terms of connectivity, the 8000i features integrated networking capabilities, allowing it to interface seamlessly with other marine electronics such as radar systems, autopilots, and AIS transceivers. This interoperability enhances situational awareness and provides a comprehensive picture of the marine environment around the vessel.

The rugged design of the NorthStar 8000i ensures that it can withstand the challenging conditions often encountered at sea. Built to be weatherproof and durable, this navigation system is ready for any marine adventure.

To summarize, the NorthStar Navigation 8000i combines cutting-edge GPS technology with user-friendly designs and exceptional features, making it a top choice for navigators seeking reliable marine navigation solutions. With its accuracy, customizable interfaces, and robust construction, the 8000i is engineered to meet the diverse needs of modern sailors, whether for leisure or professional undertakings.
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