of bottom contour and structure. For Side Imaging®, the bottom composition determines the
and sand because of their relative density. Upward slopes that face the transducer reflect sonar
recognizable features on the Side Imaging® display that allow for accurate interpretation of bottom
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11
3
11
Clouded Area - May indicate a bait ball and White Streaks may indicate fish.
12
Boat Icon & Top of the Display - Information from the side beams are displayed at the top of the screen. As new information
is received, the historical data scrolls down the screen. The boat icon will turn to indicate the direction of navigation.
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6
4
67
10
7
9
5
What's on the Side Imaging® Display
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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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