Sonar Zoom View
Sonar Zoom View provides a magnified view of the bottom and structure. The Sonar Zoom View
makes it easier to see separate sonar returns that would usually be displayed close together,
such as those caused by fish suspended close to the bottom or within structure.
• The Zoom Level, or magnification, is displayed in the top left corner of the display. Press
the + or - ZOOM keys to increase or decrease the zoom level.
• The Zoomed View is displayed on the left side of the screen. As the depth changes, the
zoomed view updates automatically.
• The Full Range View is displayed on the right side of the screen. The Full Range View
includes the Zoom Preview Box, which shows where the zoomed view is in relation to
the full range view.
• The Upper and Lower Depth Range numbers indicate the high and low range of the
water which is being viewed.
• Digital Readouts shown on the display will change based on the Select Readouts
settings or the optional-purchase accessories attached (see Setup Menu Tab: Select
Readouts).
• Freeze Frame: Use the 4-WAY Cursor Control key to freeze the display and move the
cursor over a sonar return. The depth of the sonar return will be displayed in the cursor
dialog box.
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Questions and answers
How to record sonar readings onto an SD card?
To record sonar readings on an SD card using the Humminbird 1158c Combo, follow these steps:
1. Install an SD Memory Card: Ensure that an optional-purchase SD memory card is installed in the slot of the device.
2. Access the Main Menu: Press the MENU key twice to open the Main Menu.
3. Navigate to the Navigation Tab: Use the RIGHT Cursor key to select the Navigation tab.
4. Export Navigation Data: Highlight "Export All Nav Data" and press the RIGHT Cursor key. A confirmation dialog box will appear.
5. Confirm Export: Press the RIGHT Cursor key again to confirm the export. If you want to cancel the export, press the LEFT Cursor key.
Note: If no SD memory card is installed, an error message will be displayed. Insert the SD memory card and try again.
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