Lowrance X87, Руководство по эксплуатации

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Split Zoom Sonar Chart
a split chart shows the underwater world from the surface to the bot-
tom on the right side of the screen. The left side shows an enlarged ver-
sion of the right side. The zoom range shows at the bottom left corner of
the screen.
Split Zoom Sonar Chart. Image at left shows the left window zoomed to
2X. The right image shows the left window zoomed to 4X. The depth
overlay data is set to the default large text size; the water temperature
is set to the small text size.
Split Frequency Sonar Chart
(X88DF and X98DF only)
This page shows sonar data from the 50 kHz transducer element on the
left side of the screen and data from the 200 kHz transducer on the
right side. All other functions and features are the same as the Full
Chart page.
Split Frequency Sonar Chart page, with
50 kHz view at left and 200 kHz view at right.
You can adjust the sensitivity in each window.