Humminbird HDR 650 manual NegativeOffset NumberIcon, PostiveOffset NumberIcon

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Set Offset (waterline or keel)

The Set Offset function adjusts the digital depth readout to display depth readings from the waterline or the keel (lowest point of the boat) instead of the transducer location.

1.Choose to measure the depth from the keel or waterline.

Keel: Measure the vertical distance between the face of the transducer and the keel of the boat.

Waterline: Measure the vertical distance between the face of the transducer and the waterlineof the boat.

2.Pressthe MENU key untilSet Offset is displayed and flashing on the screen.

3.Enter your chosen offset measurement as follows:

Keel Offset

(Set a Negative Number)

Keel: Press the DOWN arrow key to enter the measurement from step 1 as a negative (-) number. (-1 to -10 feet, -.1 to -3.0 meters, or -.1 to -1.6 fathoms; Default = 0)

NegativeOffset

NumberIcon

Waterline Offset

(Set a Positive Number)

Waterline: Press the UP arrow key to enter the measurement from step 1 as a positive (+) number. (+1 to +10 feet, +.1 to +3.0 meters, or +.1 to +1.6 fathoms; Default = 0)

PostiveOffset

NumberIcon

4.After your selection is made, wait 5 seconds for the unit to returnto normal operation. Your settings are saved automatically,and the offset icon will be visible on the display.

35	Operations

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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 HDRInstalling the HDR Collar Gasket DashboardViewHDR 650 Control Head Installing the Buzzer Connecting to the Power SupplyBuzzer Inline Fuse Holder Installing the TransducerTransducer Installation Overview StepRib Transom Transducer InstallationLocating the Transducer Mounting Position Rivets Strakes TransomHullDeadrise Angle LevelPreparing the Mounting Location Assembling the Transducer and Initial Mounting 4th hole Mark InitialDrill Holes Bead Alignment Number Transom Angle Measured Distance Transom Angle in degrees MeasuredWeight DistanceKnuckle Beads Ratchet RibBead 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 NumberIconMaintenance HDR 650 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