Related Manuals for NorthStar EXPLORER 438
Summarization of Contents
Introduction
1-1 Benefits of the Explorer 435 and Explorer 438
Details the features and advantages of the Explorer 435 and Explorer 438 fishfinders.
1-2 How the Explorer 435 and Explorer 438 work
Explains the fundamental operating principles of the fishfinder system.
Basic Operation
Key Operation
Describes how to navigate menus and control the fishfinder using its buttons.
Power On / Auto Power
Explains the procedures for turning the fishfinder on and off, including auto power functionality.
Simulate Mode
Details how to use the internal simulator for learning fishfinder operation.
Gain Adjustment
Covers how to adjust the sonar sensitivity (gain) for optimal detail.
Display Adjustment
Explains how to adjust the backlight settings for the display and keys.
Setting up the Explorer 435 and Explorer 438
3-1 Setup > System
Configuration of general system settings like language, backlight, and power options.
3-2 Setup > Sonar
Settings related to sonar performance, including scroll speed, filters, and display options.
3-3 Setup > Fuel (Explorer 438 only)
Configuration of fuel monitoring features for the Explorer 438 model.
3-4 Setup > Data
Customization of data display, including time base and data fields.
3-5 Setup > Logs
Management of trip distance and engine hours logs.
3-6 Setup > Alarms
Setting up various audible and visual alarms for conditions like depth and battery.
3-7 Setup > Units
Selection and configuration of measurement units for distance, speed, depth, etc.
3-8 Setup > Comms (Explorer 438 only)
Configuration of communication settings, including NMEA output.
3-9 Setup > Calibrate
Calibration procedures for speed, temperature, fuel, and keel offset.
Using the Explorer 435 and Explorer 438
4-1 Interpreting the display
Guide to understanding the sonar display, bottom types, and echoes.
4-2 Fish detection and display
Explains how to find and interpret fish signals on the display.
4-3 Gain
Details how to adjust sonar gain settings for optimal performance.
4-4 Range
Explains how to set and adjust the depth range displayed on the screen.
The Displays
5-1 Sonar display
Description of the full-screen sonar history display.
5-2 Sonar Zoom display
Details the split display showing sonar history and a zoomed section.
5-3 Sonar Bottom display
Explains the display showing sonar history and a zoomed bottom trace.
5-4 Sonar A-Scope display
Description of the A-Scope display for detailed sonar analysis.
5-5 Fuel display (Explorer 438 only)
Information on the fuel display for monitoring fuel levels and consumption.
5-6 Data display
Overview of the data display showing temperature, depth, and other selected items.
Installation and Maintenance
6-1 What comes with this product?
Lists the standard components included with the Explorer 435/438 fishfinder.
6-2 Options and Accessories
Details available optional accessories and compatible products.
6-3 Mounting and removing the display unit
Instructions for mounting and removing the display unit using flush or bracket methods.
6-4 Wiring Options
Explains various wiring configurations for powering and connecting the fishfinder.
6-5 Systems of several instruments
Information on connecting the fishfinder with other NMEA-compatible instruments.
6-6 Cleaning and maintenance
Guidelines for cleaning and maintaining the fishfinder and its components.
Appendix A - Specifications
Depth range
Specifies the operational depth range of the fishfinder.
Display type
Details the type of display technology and resolution used.
Supply voltage
Information on the required power supply voltage and current.
Transom transducer cable length
Specifies the length of the transducer cable for different models.
Speed range
Outlines the operational speed range of the unit.
Standards Compliance
Lists the relevant compliance standards for the device.
NMEA Output (Explorer 438 only)
Details the NMEA sentences output by the Explorer 438.
Fuel Computer (Explorer 438 only)
Specifies the engine types and fuel rates supported by the fuel computer.
Appendix B - Troubleshooting
The fishfinder won't turn on
Provides steps to diagnose and resolve issues when the fishfinder fails to power on.
The fishfinder won't turn off
Addresses problems related to the fishfinder not shutting down correctly.
The fishfinder operates erratically
Offers solutions for inconsistent or unpredictable fishfinder behavior.
Bottom is not displayed
Troubleshooting steps for when the bottom trace is not visible on the display.
The bottom is displayed too far up the screen
Solutions for when the bottom appears incorrectly positioned on the display.
Bottom echo disappears or erratic digital reading while the boat is moving
Diagnosing issues with bottom echo readings while the boat is in motion.
Fuel used or remaining seem inaccurate
Troubleshooting steps for inaccurate fuel level and consumption readings.
Flow indicates no fuel or low fuel
Steps to resolve issues where flow readings are not detected or show as low.
There is no reading for fuel economy
Guidance on issues preventing fuel economy readings.
There is a double bottom trace displayed
Explains causes and solutions for a double bottom trace on the display.
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