Humminbird HDR 650 manual Routing the Cable

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4.Fill the hull with enough water to submerge the transducer body. Use a sand-filled bag or other heavy object to hold the transducerin position. The transducer cannot transmit through air, and the water purges any air from between the transducer and the hull, and fills any voids in the coarse fiberglass surface.

5.View the sonar signal on the display and compare against what was observed in Step 2, making sure that the boat is in the same location as it was during your observationsin Step 2. If the resultsare comparable,move on to Step 6. Otherwise, locate a new position in the hull and repeat Steps 3 through 5.

6.Run the boat at various speeds and water depths while observing the screen on the depth sounder. If depth performance is required, test the transducer in water at the desireddepth. If the performance is acceptable, move on to Step 7. If the performance is not acceptable, repeat Steps 3 through 6.

7.Once you have determined the best mounting location using the above steps, mark the position of the transducer.

3.Routing the Cable

1.Once the mounting location is determined and you have marked the positionof the transducer,route the cable from the transducer to the depth sounder.

CAUTION! Do not cut or shorten the transducer cable, and try not to damage the cable insulation. Route the cable as far as possible from any VHF radio antenna cables or tachometer cables to reduce the possibility of interference. If the cable is too short, extension cables are available to extend the transducer cable up to a total of 50' (15 m). For assistance, contact the Customer Resource Center at humminbird.com or call 1-800-633-1468 for more information.

27Inside the Hull Transducer Installation

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Contents HDR 650 Installation Operations Manual Thank You Table of Contents Maintenance How Sonar Works Installation Overview Installing the HDR Cutting the Mounting Hole Locating the HDR 650 Mounting PositionHDR Face Plate Trim Ring Tabs Customizing and Assembling the HDRCollar Gasket DashboardView Installing the HDRHDR 650 Control Head Connecting to the Power Supply Installing the BuzzerBuzzer Inline Fuse Holder Installing the TransducerTransducer Installation Overview StepRib Transom Transducer InstallationLocating the Transducer Mounting Position Rivets Strakes TransomHullDeadrise Angle LevelPreparing the Mounting Location 4th hole Mark Initial Assembling the Transducer and Initial MountingDrill Holes Bead Alignment Number Transom Angle Measured Distance Transom Angle in degrees MeasuredWeight DistanceRib Knuckle Beads RatchetBead Ratchet Snap the pivot arm down into place Trailingedge One click too low Leading edge One click too highRouting the Cable Transom Mount Transducer Installation See the illustration Storing Excess Cable Connecting the CableTest and Finish the Installation Storing Excess Cable Gathered at one location as shownLevel Seam aligned with boat hull Rib Ratchet BeadTransom Mount Transducer Installation Locking Down the Transducer Optional Inside the Hull Transducer Installation Positioning the Transducer and Preferred Mounting Area Trial InstallationRouting the Cable Make sure the position of the transducer is marked Permanently Mounting the TransducerTrolling Motor Transducer Options Trolling Motor Transducer InstallationDepth Units Shallow Alarm Icon IndicatesOperating the HDR HDR 650 Control HeadKey Functions Overview Power On/OffSet Units UnitsSet Shallow Alarm Icon Shallow AlarmSet Deep Alarm Icon Deep AlarmPostiveOffset NumberIcon NegativeOffset NumberIconHDR 650 Maintenance MaintenanceTransducer Maintenance HDR 650 Doesnt Power Up TroubleshootingBottom Reading Disappears During a Hard Turn No Bottom Reading on the DisplayNo Continuous Depth Display in Very Shallow Water Screen Fades, Images are not SharpYear Limited Warranty Humminbird Service Policy Returning Your Unit for Service Specifications Specifications Contact Humminbird