Installation Manual

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532312-5_A
HELIX® SERIES CONTROL HEAD Installation Guide
Use the instructions in this installation guide to gimbal mount the control head.
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Read the instructions in this guide completely to understand the installation requirements before
beginning the installation.
Supplies: In addition to the hardware supplied with your control head, you will need a 3 Amp fuse,
powered hand drill and various drill bits, Phillips head screwdriver, pencil, safety glasses and dust
mask, marine-grade silicone sealant, dielectric grease (optional), extension cables (optional),
Ethernet cables (optional), and accessory cables (optional). Also, see Connect the Control Head
to Power to determine the type of connection and equipment you will need for the installation.
Accessories and Ethernet: Accessories and Ethernet equipment are available for purchase at
humminbird.com. The installation guides are available with the product, or they can be downloaded
from our Web site.
HELIX GPS: The transducer installation instructions in this guide do not apply to the chartplotter
model.
Visit our Web site at humminbird.com for additional information and resources. Also, visit
youtube.com/humminbirdtv for informational videos.
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Plan the Mounting Location
1. Install the gimbal knobs into each side of the control head. Tighten the knobs just enough so
you can slide the control head into the gimbal bracket arms.
2. Place the assembled control head in various locations to determine the best mounting location
with the following requirements:
Δ a stable, protected surface to protect the control head from excessive wave shock, vibration,
and water
Δ sufficient space for the control head tilt range
Δ visibility during operation, as well as easy installation and removal
Δ access above and below the mounting surface to pass the cables through to the control
head
Δ space for the 1" (25 mm) cable hole, under the bracket or 2" to 4" (50 to 100 mm) behind
the chosen mounting location
3. Test route all cables (transducer, power, accessory, Ethernet) to the control head mounting
location.
4. After you have selected the mounting location, loosen the gimbal knobs and remove the control
head from the gimbal bracket.
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Install the Gimbal Bracket
1. Place the gimbal bracket in the chosen position on the mounting surface. Mark the four
mounting screw locations using a pencil or center punch.
2. Set the gimbal bracket aside and drill the four mounting screw holes using a 9/64" (3.5 mm)
drill bit.
3. To run the cables through a hole under the bracket, mark and drill a 1" (25 mm) hole, centered
between the four mounting holes. Press the grommet into place on the hole. Proceed to
Connect the Control Head to Power. You will complete the bracket installation (steps 4 and 5)
after you route the cables to the control head.
Planning for the Cable Hole
behind the bracket (shown)
or under the bracket
Planning for the Tilt Range
gimbal knob
bracket arm
Install the Gimbal Knobs