Humminbird 531444-1_A, 323, 300 series manual DualBeam Plus Sonar

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The power output is the amount of energy generated by the sonar transmitter. It is commonly measured using two methods:

• Root Mean Square (RMS) measures power output over the entire transmit cycle.

• Peak to Peak measures power output at the highest points.

The benefits of increased power output are the ability to detect smaller targets at greater distances, ability to overcome noise, better high speed performance and enhanced depth capability.

DualBeam PLUS™ Sonar

Your 300 Series™ Fishing System uses a 200/83 kHz DualBeam PLUS™ sonar system with a wide (60°) area of coverage. DualBeam PLUS™ sonar has a narrowly focused 20° center beam, surrounded by a second beam of 60°, expanding your coverage to an area equal to your depth. In 20 feet of water, the wider beam covers an area 20 feet wide. The 20° center beam is focused on the bottom, to show you structure, weeds and cover. The 60° wide beam is hunting for fish in the wide coverage area. DualBeam PLUS™ sonar returns can be blended together, viewed separately or compared side-by-side. DualBeam PLUS™ is ideal for a wide range of conditions - from shallow to very deep water in both fresh and salt water. Depth capability is affected by such factors as boat speed, wave action, bottom hardness, water conditions and transducer installation.

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Contents Operations Manual Thank You Table of ContentsSetup Menu Tab Alarms Menu TabTroubleshooting Specifications Glossary Contact HumminbirdHow Sonar Works DualBeam Plus Sonar Soft Bottom RTS Real Time Sonar Window What’s On the DisplayBait Ball Hard Bottom Rocky Bottom Temperature water Do Not print this Sonar View ViewsFreeze Frame Understanding Sonar HistoryReal Time Sonar RTS Window Bottom Presentation 200/83 kHz Split Sonar View Sonar Zoom ViewBig Digits View POWER/LIGHT KeyKey Functions Circular Flasher ViewMenu Key Powering Up the UnitWAY Cursor Control Key Exit KeyMenu System Sonar Tab, Normal Mode Sonar Tab, Advanced ModeSimulator Start-Up Options MenuNormal Operation Exit System Status by powering your Fishing System off Accessory Test lists the accessories connected to SystemSystem Status Sonar X-PressTMMenu Operation and the input voltageTo adjust the Upper Range To adjust the SensitivitySensitivity Upper RangeTo adjust the Lower Range Chart SpeedTo adjust the Chart Speed Lower RangeBottom Range Zoom LevelBottom Lock Beam Select Sonar Menu TabTo use Beam Select Highlight Beam Select on the Sonar main menuTo change the RTS Window setting To change the Fish ID Sensitivity settingFish ID+TM Fish ID SensitivityDepth Lines Zoom WidthKHz Sensitivity Max Depth Surface ClutterNoise Filter Water Type Alarms Menu TabTo change the Water Type setting Fish ID Alarm Depth AlarmLow Battery Alarm Temp AlarmSetup Menu Tab Alarm ToneTo change the Alarm Tone setting Highlight Alarm Tone on the Alarms main menuUnits Depth User ModeUnits Temp Units DistanceSelect Views Triplog ResetRestore Defaults Temp Offset Select ReadoutsDepth Offset Speed Calibration TroubleshootingTo change the Speed Calibration setting Problem Possible Cause Display ProblemsFinding the Cause of Noise IsolationSonar Terms SpecificationsGlossary 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM Receiver See Transmitter 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM Contact Humminbird