Lowrance X-15 Installation And Operation Manual Download | Manualshive

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Summary of Contents for X-15

Page 1: ...75 13 3 APPROXIMATE PAPER SPEED With AlternateTransmitand Print Minimum Maximum PaperSpeed Paper Speed Inches Hours Inches Hours RANGE feet 10 120 Per Mm Per Roll Per Mm Per Roll 0 6 17 2 0 5 0 130 510 0 4 25 1 2 8 3 520 830 0 2 50 0 75 13 3 Below 840 0 2 50 0 75 13 3 INSTALLATION AND OPERATION MANUAL MODEL X 15 GRAPH RECORDER LITHO USA 988 0083 01 LOWRANCE ELECTRONICS INC 12OOO E SKELLY DR TULSA ...

Page 2: ...NIMUM U RANGE 10 30FEET SENSITIVITY 3 4 SUPPRESSOR MINIMUM JO PAPER SPEED MAXIMUM GRAYLINE MINIMUM Figure 50 Figure 51 Figure 52 25 RANGE 10 30 FEET SENSITIVITY MAXIMUM SUPPRESSOR MINIMUM NOTE LARGER FISHON NEARBOTTOM UNDER SCHOOL OF SMALLERFISH PDF compression OCR web optimization with CVISION s PdfCompressor ...

Page 3: ...ement 15 Do s and Dont s 17 Troubleshooting 17 Advanced Operation 17 Surtace Clarity Control SCC 17 Feet Fathoms Meters 18 Transmit and Print Alternate 18 TransmitterPulse Width Specifications 18 22 Service Information 22 Figure 47 7 RANGE 0 30 FEET LINES ON Figure 48 SUPPRESSOR MINIMUM PULSEWIDTH 100 MICRO SECONDS SENSITIVITY 3 4 PAPER SPEED MAXIMUM Figure 49 RANGE 10 50FEET SENSITIVITY MAXIMUM S...

Page 4: ... merged shipwrecks fish closer together than six inches can be shown separately concentra tionsof algae mossor plankton can be identified attrolling speeds individual fish are com monly recorded with a characteris tic arched signature which dis tinguishes them from theirsur roundings layersof waterwith differenttemperatures canbe de tected undergood conditions and verticalmovement of fish up or do...

Page 5: ... echocan be read infeet by comparing its location on the paper to thedepth scale printed on the paper A variable speed motor drives the papergraph The paper is treated sothat the stylus will burn it to leave apermanentblack mark During one revolution of the stylusbelt a very narrow mark will be made bythe flexible stylus but the paper will move a small amountbefore the nextrevolution Each markwill...

Page 6: ...le in the event ashortoccurs Crimp connectors are supplied to attach the fuse holderto the powerca ble The red or white wire in the power cable is the positive con ductor The blackwire is the ground conductor Thegraph is protected from ac cidental polarity reversals and no damage will occurifthe wires are reversed The unitwill not operate however until the proper polarity is applied TransducerSele...

Page 7: ... sametime Note If the lines and orthe scales wereturned off this will turn them backon To turn thembackoff again press either theSCALES key or the LINES key independently Do not pressthem simultaneously Thiswill override the micro computer s selection and setthe initialtransmitter pulsewidth to the desired setting Note When an initialtransmitpulsewidth is set this width will be fixed for all depth...

Page 8: ... amount of increased pulsewidth cancelling outany narrow noise pulses and display ing only the return echoes from fish orthebottom etc Note Re ceiversensitivity is not diminished at all bythis process The only disadvantage to this system is resolution ortheability to separate targets is diminished whenthe pulse width is increased A 200 ps micro second transmit ter pulsewidth used on theX 15 whenpo...

Page 9: ...ion off simplypress the UPPER and LOWER keys again Transmit PulseWidth The noisesuppression system intheX 15 is apatented pulse widthdiscrimination suppression circuit and is the same asthe one pared to real sonar signals Ad vancingthe Suppression knob will causethe system to reject these unwanted short pulses without reducing the sensitivity in anyway This patented design is exclu sive with Lowra...

Page 10: ...kton air bubbles created by wave action or boatwakes bait fish ortemperature inversions The surface clutter can be re duced or elimihated byusingthe MARK SOC key on the control panel Tousethe 5CC control press 1 for minimum effect 2for an inter mediate control or 3for maximum elimination of surface clutter and then press MARK SCC A reduc tionof the surface clutter will im 8 17 H 12 I A I t K r__ _...

Page 11: ...s made possible bythe X 15 to show segments of 60 U U ED theunderwater worldon thegraph Ifyou wishto display your depth paper By using the UPPER LIMIT settings at anytime simplypress key anydepthin multiples of 10 LOWER LIMITor UPPER LIMIT may be displayed at the TOPof Your rangewill immediately be the chartpaper printed on the paper Thiswill not Example Display 20 60feet change thedepth setting P...

Page 12: ...it moves out of the cone the distancewill increase again as shown in line C STYLUSREPLACEMENT CAUTION High voltage is presentin theelectronicsection when the unitisturned on 1 TURNTHE UNIT OFF 2 Release both catcheson the top ofthe case Pull out and downon the top of the case frontto exposethe stylusbelt SeeFigure 36 3 The stylus beltridesovertwo wheels located at the right edge of the platen asse...

Page 13: ...t temperatures form and thejunc tionof awarmand cool layer of water is called athermocline The depth and thickness ofthe ther moclinecanvary withthe season or timeofday In deeplakes there maybe two or more at different depths Thermoclines are impor tant to the fishermanbecause they are areaswhich fish are active Many times baitfish will be above the thermoclinewhile largergame fish suspend just be...

Page 14: ...the tabson the lowertake up spool See Fig 30 Push the paperretainer knobin and ro tate it until it locks into place 7 Putafresh rollof paper in position on thecentering posts of the paperspoolend caps on the supply side right of the platen assembly The paper mustspooloftthe bot tom of the roll See Figure 31 8 Drawthe end ofthe paper acrossthe faceoftheplaten around the frictionroller over the take...

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