![Humminbird 757c Operation Manual Download Page 118](http://html1.mh-extra.com/html/humminbird/757c/757c_operation-manual_2184100118.webp)
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Lat/Lon Grid
Lat/Lon Grid
allows you to display or hide a grid
showing latitude and longitude lines.
To change the Lat/Lon Grid setting:
1. Highlight Lat/Lon Grid on the Chart main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Lat/Lon Grid setting. (Hidden, Visible, Default = Hidden)
Spot Soundings
Spot Soundings
allows you to display or hide spot
soundings, which are depth measurements shown on the chart.
NOTE:
Spot Soundings are only available with optional-purchase MMC/SD cards.
To change the Spot Soundings setting:
1. Highlight Spot Soundings on the Chart main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Spot
Soundings setting. (Hidden, Visible, Default = Hidden)
Navaids on Bird's Eye View
Navaids on Bird's Eye View
allows you to display
or hide additional navigational aids, such as lights and buoys, in Bird's Eye View.
NOTE:
You will see more navigational aids with and optional-purchase MMC/SD card.
To change the Navaids on Bird's Eye View setting:
1. Highlight Navaids on Bird's Eye View on the Chart main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Navaids on Bird's Eye View setting. (Hidden, Visible, Default = Visible)
Summary of Contents for 757c
Page 25: ...16 Structure ID represents weak returns in blue and strong returns in red...
Page 168: ...159 Notes...
Page 169: ...160 Notes...