Hondex HE-777 User Manual

OPERATIONS MANUAL
HE-777
ECHO SOUNDER / FISH FINDER

Hondex HE-777 Specifications

Display Specifications

display type	10” Color CRT
display resolution	320X240 pixels

Power

voltage	11-35 VDC
power consumption	60 W
output power	600 W

Weight and Dimensions

size	308X254X340 mm w/bracket
weight	9.4 kg

Summary

CAUTION ON SAFETY

HANDLING OF UNIT

Important safety precautions for handling the unit to prevent electric shock.

CAUTION ON OPERATION

Engine Start Safety

Instruction to turn off the unit before starting the engine to avoid voltage fluctuations.

Power Supply Voltage Requirements

Specifies the acceptable power supply voltage range for the unit.

High Temperature Operation Warning

Warning against operating or storing the unit in high temperatures to prevent malfunction.

Cleaning Solution Prohibition

Caution against using organic solvents for cleaning the unit to protect its components.

Water Spray Caution

Warning to protect the unit from water spray to prevent faults.

GENERAL INFORMATION OF ECHO SOUNDER/FISH FINDER

THEORY OF ECHO SOUNDER/FISH FINDER

Explains the principle of how echo sounders and fish finders work using ultrasound.

Displayed Image Formation

Describes how the display image is formed line by line on the screen.

HOW TO DISTINGUISH THE FISH SCHOOL

Fish School Identification

Emphasizes comparing display with actual catch and considering fishing grounds/periods.

HOW TO DISTINGUISH THE FISH VOLUME

Fish Volume Interpretation

Explains how to interpret fish volume from echo strength and displayed size.

HOW TO DISTINGUISH THE NATURE OF BOTTOM

Bottom Nature Identification

How to distinguish bottom types based on image thickness and second reflection.

CHECK THE SUPPLIED UNIT AND ACCESSORIES

Unit and Bracket

Lists the main display unit and its included bracket.

Power Supply Cable

Identifies the power supply cable included with the unit.

Operations Manual

Lists the operations manual that comes with the unit.

Fuse and Disk Plates

Lists the 10A fuse and disk plates used for sealing unused holes.

Installation Screws

Lists the screws for installing the bracket.

DEMENSIONAL DRAWING (DISPLAY)

Bracket Installation Hole Diagram

Provides a diagram with dimensions for bracket installation holes.

INSTALLATION OF WATER TEMPERATURE SENSOR

DANGER: Unstable Board Conditions

Critical safety warning about unstable conditions when working on a boat.

WARNING: Waterproofing and Electric Tools

Safety warning regarding waterproof treatment and electric tools.

Thru-Hull Sensor Installation

Illustrates the installation process for a thru-hull water temperature sensor.

CONNECTION WITH DISPLAY UNIT

Transducer Connection

Shows the connection point for the transducer.

Optional Sensor Connection

Shows the connection point for the optional temperature sensor.

NMEA Output Connection

Indicates the NMEA output connection for GPS data.

Power Supply Connection

Shows the connection to the power source (battery).

1. Transducer Wiring (5-P)

Low and High Frequency Connections

Details the wiring for low and high frequency transducer connections.

2. Data In/Out Wiring (6-P)

RS232C Data Output

Explains the RS232C data output for external devices.

3. Temperature Sensor Wiring (8-P)

N.C. Pins

Indicates "No Connection" pins on the temperature sensor connector.

Power Connections (+/-)

Shows the positive and negative connections for the temperature sensor.

4. Power Supply Wiring

Positive Power Input

Details the positive power input range (11-35VDC).

Negative Power Input

Details the negative power input.

INSTALLATION OF THE UNIT

WARNING: Installation Safety

Safety warning about installing the unit with wet hands.

Installation Procedure Overview

Outlines the steps for installing the unit, including orientation options.

Portrait Installation Steps

Steps for installing the unit in portrait orientation.

Landscape Installation Steps

Steps for installing the unit in landscape orientation.

HOW TO SEE THE DISPLAY AND DESCRIPTIONS OF CONTROL KEYS

Navigation Data Display

Shows navigation data like speed, position, and bearing when connected.

Sensor Data Display

Displays water temperature when the optional sensor is connected.

Indicator Explanations

Explains symbols like AR, AS, and G AUTO on the display.

Displayed Information Elements

Details of displayed elements like depth, fish marks, and echoes.

Control Keys Overview

Identifies and explains the function of various control keys.

Display Remarks and Notes

Notes on when specific display items appear or are activated.

POWER ON/OFF OF THE DISPLAY UNIT

Power On and Off Procedure

Instructions for turning the display unit on and off.

Power On Caution

Safety caution for powering on the unit after starting the boat engine.

First Time Use Memo

Note to read specific section for first-time use.

Transducer Compatibility Notice

Notice regarding transducer compatibility with the HE-777 unit.

TO USE FOR THE FIRST TIME AFTER PURCHASING

Initial Setup Important Notes

Crucial steps and information for first-time operation and setup.

Multi-lingual Menu Information

Details about the unit's multi-lingual menu capabilities.

Initial Setup Steps

Step-by-step guide for initial unit setup and language selection.

ECHO SIMULATION

Echo Simulation Activation

Instructions on how to activate the echo simulation feature for testing.

TO SET THE SENSITIVITY

Understanding Sensitivity Display

How to interpret sensitivity levels and visual cues on the display.

Sensitivity Adjustment Guide

Explains sensitivity settings and the concept of second reflection.

Current Sensitivity Value

Indicates the present sensitivity level and its adjustable range.

Fine-tuning Sensitivity Settings

Auto Gain Mode Caution

Warning against using Auto Gain with internal transducers.

Adjusting Sensitivity Levels

Instructions for increasing or decreasing sensitivity using control keys.

Sensitivity Visual Examples

Visual representations of poor, good, and too much sensitivity.

Dual Frequency Gain Adjustment

How to set gain level in dual frequency modes.

Setting and Interpreting Depth

Understanding Depth Display

Guide on how to read and interpret depth information on the screen.

Depth Display Range Options

Details available depth display ranges and their maximum limits.

Depth Read Out Functionality

Explains digital depth readout and potential inaccuracies.

Depth Display Configuration

Adjusting depth readout position, size, and units.

Depth Range Limitations

Table of limitations for digital depth readout ranges.

Depth Range Adjustment

Auto Range Mode Caution

Warning against using Auto Range mode with internal transducers.

Adjusting Depth Display Range

Instructions to decrease or increase the depth display range using the RANGE key.

Display Mode Selection

Available Display Modes

Lists and describes the four types of display modes.

Display Mode Configuration

Settings for expansion rates and bottom line position in B/L mode.

Historical Display Information

Details about the HISTORICAL display's sweep speed.

B/L Display Caution

Important note on B/L display limitations with undulating bottoms.

Shift Functionality

Understanding the Shift Function

Explains how to move the display range to shallower or deeper depths.

Auto Shift Mode Caution

Warning against using Auto Shift mode with internal transducers.

Shifting Display Depth Range

Instructions to shift the display range to shallow or deep depths.

Menu Settings and Navigation

Menu Structure Overview

Explains the menu list and how to navigate indications.

Menu 1 Functions

Details settings available in Menu 1.

Menu 2 Functions

Details settings available in Menu 2.

Menu 3 Functions

Details settings available in Menu 3.

Other Settings Access

How to access factory settings and language options.

Language Selection

Guide to selecting the display language for the unit.

Navigating Menu Items

Menu Item Selection Method

How to select menu items using cursor keys.

Installation Orientation Menu Navigation

Menu navigation differences for portrait and landscape installations.

Menu-Configurable Functions

Sweep Speed Setting

Setting the picture moving speed (sweep speed).

Auto Gain Control Settings

Configuration options for automatic gain control.

Auto Range/Shift Settings

Settings for Auto Range and Shift functions.

A-MODE Function

Selectable ON/OFF for the A-MODE function.

Scale Line Display

Selectable ON/OFF for the Scale Line.

Temperature Graph Display

Selectable ON/OFF for the Temperature Graph.

Alarm Settings and Types

Entering Alarm Setting Mode

How to access the alarm setting menu.

Available Alarm Types

Lists Shallow, Deep, Zone, and Anchor alarms.

Setting Alarm Parameters

Steps to set alarm limits and levels using the menu.

Picture Display Settings

Frequency Display Modes

How to select display modes based on frequency.

Split Screen Frequency Layouts

Describes layouts for lower/higher frequency on left/right halves.

Menu 2: Display Customization

Background Color Selection

Selectable background colors (Black or Blue).

Color Pattern Configuration

Color configuration options and custom settings.

Expansion Rate Settings

Selectable expansion rates for depth ranges.

Bottom Lock Expansion

Expansion rates for Bottom Lock mode.

Bottom Line Position

Position of the bottom line in Bottom Lock mode.

Bottom Depth Display Size

Selectable size for the Bottom Depth display.

Digital Depth Readout Position

Selectable position for digital depth readout.

Menu 3: Units and Signal Processing

Scale Unit Selection

Selectable units for depth measurement (M, FA, FT, BR).

Temperature Unit Selection

Selectable units for temperature (°C or °F).

Temperature Adjustment

Function for fine adjustment of temperature readings.

Clean Echo Noise Rejection

Clean Echo noise rejecter circuit, selectable OFF or ON.

Sensitivity Time Control

STC for surface clutter, selectable settings.

Power Reducer Function

Function to reduce output power.

Split Screen Modes

Screen picture mode selection for split screen display.

Display Orientation Settings

Portrait Display Mode

Sets the display orientation to Portrait.

Portrait Reverse Mode

Sets the display orientation to Portrait Reverse.

Landscape Display Mode

Sets the display orientation to Landscape.

Landscape Reverse Mode

Sets the display orientation to Landscape Reverse.

RESET Function

Return to First setting mode.

Resets the unit to its initial factory settings.

Optional Accessories and Parts

Water Temperature Sensor

Description of the optional water temperature sensor.

Mounting Hardware

Details on in-dash plates, metal plates, screws, and bolts for mounting.

Sun Hood

Description of the optional sun hood accessory.

Extension Cable

Description of the water temperature extension cable.

TROUBLE SHOOTING

Unit Not Powering On

Symptoms, causes, and remedies for power-on failures.

No Screen Display

Symptoms, causes, and remedies for a blank screen.

No Bottom or Fish Display

Causes for the absence of bottom or fish school data.

Intermittent Image Display

Causes and remedies for images sometimes not appearing.

Technical Specifications

Display and Pixel Specifications

Display panel type, resolution, and dimensions.

Power and Output Specifications

Voltage, power consumption, and output power details.

Frequency and Gain Settings

Operating frequencies and gain adjustment steps.

Range and Mode Options

Available range settings and display modes.

Image Style and Menu Options

Display orientation options and supported languages.

Expansion and Split Screen Settings

Expansion rates and split screen configurations.

Control and Processing Features

Settings for sweep speed, auto gain, clean echo, STC, etc.

Unit and Color Settings

Unit selections and background color options.

Connectivity and Alarm Specifications

NMEA input/output and alarm types.