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Humminbird 788ci HD DI User Manual

Humminbird 788ci HD DI
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A
788ci HD, 788ci HD DI,
& 788ci HD XD Combo
Operations Manual
788ci HD, 788ci HD DI,
& 788ci HD XD Combo
Operations Manual
531833-3EN_A

Table of Contents

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Humminbird 788ci HD DI Specifications

General IconGeneral
GPSYes
Waypoints3000
Routes50
Power Output (RMS)500 Watts
Power Output (Peak to Peak)4000 Watts
Target Separation2.5 inches
TemperatureYes
BacklightYes
Mount TypeGimbal Mount
GPS ReceiverInternal
GPS TrackplottingYes
Optional 360 ImagingNo
Humminbird PCYes
Upgradable Internal SoftwareYes
Split Screen ZoomYes
Split Screen Bottom LockYes
Large Digits ViewYes
Custom View SelectionsYes
Display Colors Grayscale256 Colors
Temperature AlarmYes
ChartplottingYes
Track LogsYes
Voltage Range10-20 VDC
Operating Temperature-15°C to 55°C
Waterproof RatingIPX7
Display Size5 inch
Sonar TypeDown Imaging
Depth Capability1500 feet
Sonar Frequency455 kHz
SpeedYes
Storage Temperature-25°C to 70°C
TransducerXNT 9 DI T

Summary

How Sonar Works

DualBeam PLUS™ Sonar

Explains the 200/83 kHz sonar system with 60° coverage for wide area detection.

Down Imaging™ Sonar

Details the high-definition scanning beams at 455/800 kHz for detailed structure.

Xtreme Depth Sonar

Covers the XD transducer for extreme depth coverage up to 2500 ft.

QuadraBeam PLUS™ Sonar

Describes the wide 90° coverage and side structure beams for fish detection.

WideSide® Sonar

Explains the specialized side-looking transducer for bank fishing and open water.

Universal Sonar 2

Details the integrated transducer in Minnkota trolling motors for sonar data.

Control Head Interface

Key Functions

Describes the purpose and operation of the various control head keys.

SD Memory Card Slots

Explains using SD cards for charts, software updates, and data export/import.

Accessory Bus

Describes expanding functionality by connecting compatible accessories.

Sonar Display Interpretation

Understanding the Sonar Display

Explains how sonar data is represented on the screen.

Sonar Colors and Bottom View

Details how colors represent sonar return intensity and bottom types.

SwitchFire™

Controls how sonar returns are displayed with Max and Clear modes.

Freeze Frame and Active Cursor

Allows pausing the display and moving a cursor to analyze sonar returns.

Down Imaging™ Display Interpretation

Understanding the Down Imaging™ Display

Explains how Down Imaging™ images are produced and interpreted.

Interpreting the Display

Guides on using light and dark parts to understand objects under the boat.

Down Imaging™ Sensitivity

Controls the display of sonar returns for clarity and detail.

Views Menu

Sonar View

Presents a historical log of sonar returns with recent data on the right.

Down Imaging™ View

Produces detailed sonar data from high-definition profiling beams.

Chart View

Displays cartography with current track, waypoints, and routes.

Chart/Sonar Combo View

Splits the screen into Chart View on the left and Sonar View on the right.

Introduction to Navigation

Waypoints, Routes, and Tracks

Explains storing and organizing navigation points like waypoints and tracks.

Navigate to a Waypoint or Position

Guides on setting up navigation to a specific point or waypoint.

Routes

Describes creating and managing saved paths between waypoints.

Tracks

Explains saving and viewing the boat's past path as trackpoints.

The Menu System

Start-Up Options Menu

Selects operating modes like Normal, Simulator, System Status, or PC Connect.

X-Press™ Menu

Provides quick access to frequently-used settings relevant to the current view.

Main Menu Operations

Quick Tips for the Main Menu

Provides shortcuts and navigation advice for the Main Menu.

User Mode (Normal or Advanced)

Simplifies or expands menu options for user preference.

Specific Menu Tab Options

Sonar X-Press™ Menu

Accesses frequently-used Sonar settings for quick adjustments.

Down Imaging™ X-Press™ Menu

Provides quick access to Down Imaging™ settings.

Navigation X-Press™ Menu

Offers quick access to frequently-used Navigation settings.

Alarms Menu Tab

Configures various audible and visual alarms for fishing conditions.

Sonar Menu Tab

Accesses detailed Sonar settings like Beam Select, Sensitivity, etc.

Setup Menu Tab

Manages system settings like Units, User Mode, Time, and Display formats.

Troubleshooting

Fishing System Doesn’t Power Up

Troubleshoots issues with the unit not turning on, checking power connections.

Display Problems

Identifies and resolves common issues affecting screen information quality.

Finding the Cause of Noise

Diagnoses and mitigates electrical or mechanical noise interference.

Specifications

788ci HD Specifications

Lists technical details including depth, power output, and frequency for the 788ci HD.

788ci HD DI Specifications

Lists technical details including depth, power output, and frequency for the 788ci HD DI.

788ci HD XD Specifications

Lists technical details including depth, power output, and frequency for the 788ci HD XD.

Glossary

Sonar Terms

Defines key terminology related to sonar technology and operation.

GPS & Navigation Terms

Defines key terminology related to GPS and navigation functions.

Contact Humminbird®

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