When to use 83 kHz, Auto frequency | Navman 4432, 4433 specification

4-2 Single and Dual frequency fishfinding

When to use 200 kHz

The 200 kHz frequency is best for seeing deep bottoms, showing detail and reducing noise.

When to use 83 kHz

The 83 kHz frequency is has a wider beam–good for locating features that can be examined in detail at 200kHz.

Auto frequency

This shows 200kHz detail on screen, but uses 83kHz beam for locating fish further from boat.

Wide angle, less detailed 83 kHz cone

Narrow angle, more detailed 200 kHz cone

Comparison of the same fish scenario displayed at different frequencies:

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NAVMAN

FISH 4432/4433 Installation and Operation Manual

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Navman 4432, 4433 Single and Dual frequency fishfinding When to use 200 kHz, When to use 83 kHz, Auto frequency

Contents

Pilot Contents Navman Benefits of the Fish 4432/4433 Introduction Key Names Basic OperationHow the Fish 4432/4433 works Power Off Power On / Auto PowerBacklight Adjustment Key Operation Manual, Fishing and Cruising Modes Setting up the Fish 4432/4433Simulate Mode Setup menu and options Auto power off Setup SystemBacklight Snooze Mode Factory reset Pulse power Fish symbolsScroll speed Digit size Reset trip dist Setup LogsReset total dist Reset engine hours Alarms automatically re-enable Setup AlarmsSetup Units Flashing light and/or external beeper Setup Calibrate Setup Comms 4433 onlyNmea data Nmea Out Temp filter TemperatureFuel Keel offset Interpreting the display Using the Fish 4432/4433Strength of echoes Bottom types Shadows Frequency and cone widthExample of shadows Depth 83 kHz 200 kHz Auto frequency Single and Dual frequency fishfinding When to use 200 kHzWhen to use 83 kHz 200/83 Khz display KHz display Fish arches Fish detection and display Where to find fishFish symbols On Obtaining the best results GainChanging between Cruising, Fishing and Manual Zoom Range and Zoom Offset Changing the Range ModeRange Display menu DisplaysSonar display Data header Sonar Zoom display Sonar HistoryScope Bottom lock Sonar A-Scope display Sonar Bottom displaySonar 83/200 display Fuel display 4433 only Fish recognitionScope perspective view About display Data display Basic wiring Wiring OptionsNmea wiring Option Fish 4433 only Wire Function Fuel kit wiring Fish 4433 only Secondary alarm wiring option Fish 4433 onlyAuto power option Through hull transducers Mounting and removing the display unit Options and AccessoriesWhat comes with this product? Removing the display unit Flush MountingBracket Mounting Systems of several instruments 4433 0nly Repeat Cleaning and maintenance Specifications Fish Appendix a Specifications Fishfinder won’t turn on Appendix B Dimensions Appendix C Troubleshooting Fishfinder operates erratically Fishfinder won’t turn offBottom is not displayed Bottom is displayed too far up the screen Flow indicates no fuel or low fuel Twin engine installation shows only one flow rateErratic Fuel Flow readings There is no reading for fuel economy Oceania How to contact us Fish 4 432 / 4