Intermec PRO 128 manual Surface Clutter Rocky Bottom Soft Bottom Hard Bottom

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Depth Range Figure B
Water Depth

USING THE TRACKER UNIT

WHAT YOU SEE ON-SCREEN

depth of the water changes, the range Bottom Depiction Zero Line changes as necessary in order to retain a bottom representation on-screen.

When in Auto mode, the horizontal line at the top of the screen is the “zero line,” representing the surface of the water. Occasionally there is a gap in this line. This gap indicates the unit is up- dating the display even if the bottom is not visible on-screen, or if the bottom information is not changing.

New sonar information appears on the right side of the graphic area of the dis- play and moves to the left as new infor-

mation is displayed. The Tracker unit automatically selects the appropriate

depth range to show the depth of water beneath the transducer. This range is selected so the bottom representation is typically shown about 2/3 down the display.

Bottom. The graphic depiction of the bottom provides an effective tool for understanding the composition of the bottom. If the bottom is hard and smooth, the bottom depiction is narrow and dense. If the bottom is soft mud or sand, the depiction will be thick and less dense. This indicates much of the signal is absorbed by the soft bottom. If the bottom is rocky or rugged in composi- tion, the depiction is of varying density and textured in appearance.

Wave action also affects the bottom depiction. The information drawn is a distance measurement, so if the boat is

Surface Clutter Rocky Bottom

Soft Bottom Hard Bottom

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Contents PRO 128 Fishfinder Thank YOU Table of Contents HOW Sonar Works Using the Tracker UnitHOW Sonar Works Simulator Operation Feature MemorySimulator Operation What You See On-Screen What YOU see ON-SCREENSurface Clutter Rocky Bottom Soft Bottom Hard Bottom Thermoclines. Thermoclines are sharp What YOU see on ScreenID+ adds an additional piece of informa Control FunctionsControl Functions Al seconds until a continuous chirp is heard Menu Functions To the user Menu FunctionsUsing the Tracker Unit Depth Range User controls the location of the Zoom range Right side of the display. Zoom can either operateUsing the Tracker Unit Set, and Reset Excess of 20 or less than 10 VDC cause the unit to power offBottom Black. There are two selections Available OFF and ON. The factory setting isOFF. With this setting, the Tracker unit dis Black setting when powered offRaw Sonar ID+ On Numeral Size settings are remembered when powered off Using the Diagnostic Feature Using the Diagnostic FeatureMaintenance Advanced FeaturesMAINTENANCE/TROUBLESHOOTING Maintenance and WarrantyTroubleshooting There is no bottom reading visible on the display TroubleshootingNothing happens when I turn the unit on There is no transducer detectedGet gaps in the reading at high speeds Unit comes on before I press POWER, and won’t turn offMy unit loses power at high speeds TROUBLESHOOTING/WARRANTYHumminbird ONE Year Full Warranty Service Policy Warranty and Service PolicyFurther information on Humminbird products can be found at Transducer along with your unit when sending for repairCustomer Support Customer SupportTOP Remove and use for Transducer InstallationPage Specifications
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