Key Functions
Your Fishing System has a set of easy to use keys that give you flexibility and control over your
fishing experience.
POWER/LIGHT Key
The POWER/LIGHT key is used to power the Fishing System on and off. You can
also use the POWER/LIGHT key to adjust the backlight and contrast of the display.
Power On the Control Head: Press the POWER/LIGHT key to power on the unit. When the Title
screen is displayed, press the MENU key to access the Start-Up Options Menu.
Power Off the Control Head: Press and hold the POWER/LIGHT key for 3 seconds. A message
will appear to indicate how many seconds there are until shutdown occurs. To ensure that
shutdown occurs properly and any menu settings will be saved, your Fishing System should
always be turned off using the POWER/LIGHT key.
NOTE: Your control head will start up with the backlight on and will automatically turn it off to conserve
power.
VIEW Key
The VIEW key is used to cycle through all available views. Press the VIEW key to
advance to the next view. Press the VIEW key repeatedly to cycle through all
available views. Views can be hidden to optimize the system to your fishing
requirements (see Views or View Menu Tab).
Key Functions
Adjust the Backlight or the Display Background Color: Press
the POWER/LIGHT key to access the Light and Background
submenu. Use the 4-WAY Cursor Control key to select Light or
Background, and then use the LEFT or RIGHT Cursor key to
change the settings. Press EXIT to exit the Light and Background
submenu.
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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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