In-Dash Mounting the Control Head
If you are in-dash mounting the control head, start by placing the components on the surfaces
where you intend to install them before installation. Make sure that the surfaces you have chosen
provide adequate protection from wave shock and that all cables can reach the control head.
NOTE: If a cable is too short for your application, extension cables are available. Call Humminbird®
Customer Support at 1-800-633-1468 for more information.
Parts and tools specific to In-dash mounting are:
• Threaded rods and hardware
• In-dash mounting foam pads
• In-dash mounting template
• Reciprocating saw for cutting dash material
• Masking tape to hold mounting template in place
1. Locate a suitable, flat area of the dash to mount the control head. The control head
requires a depth of at least 4 inches (102 mm).
2. Tape the paper In-Dash Mounting template to the desired in-dash mounting location.
3. At a location inside the dotted line on the template, drill a hole large enough to insert blade of
reciprocating saw. In addition, drill the 4 mounting hole locations using a 3/16" drill bit. Carefully
begin cutting toward the dotted line, then follow the dotted line around the template. Remove
the template when finished.
4. Insert and tighten the four threaded rods into the four threaded inserts located on the back
side of the control head. Peel off the adhesive-backed foam pads and place them on the
back of the control head; make sure you notice the difference between the longer
top/bottom and shorter side pads.
1
Threaded Rod
2
Washer
3
Wing Nut
4
Lock Washer
5
Cut Away Dash
6
Foam Pads
6
6
6
15
5
Installation: In-Dash Mount
1
2
3
4
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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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