Summary of Contents for X-1550

Page 1: ...IN U S A 988 0083 08 INSTALLATION AND OPERATION MANUAL MODEL X 1550 GRAPH RECORDER LOWRANCE ELECTRONICS INC 12000 E SKELLY DR TULSA OKLA 74128 PDF compression OCR web optimization with CVISION s PdfCompressor ...

Page 2: ...ii a RANGE 0TO 80 FEET SENSITIVITY 3 4 Figure46 PULSEWIDTH 100 MICRO SECONDS LINES OFF SUPPRESSOR MINIMUM PAPER SPEED MAXIMUM 21 High Speed 46 MPH SUPPRESSION OFF SENSITIVITY ON 1 2 POSITION NOTE POOR RECORD CAUSED BY NOTUSING SUPPRESSION WHENAT HIGH SPEED PDF compression OCR web optimization with CVISION s PdfCompressor ...

Page 3: ...1 3889 Lines 8 Operating Current Please detailthe problem you Marker 8 0 7 to 1 8 amps depending on printing density and output power are experiencing Our Service De partment maybe ableto saveyou the inconvenience of returning Scale End Of Paper 9 9 Output Power 1600 watts typical peak to peak 200 watts RMS your unit Ifit is determined that your unit must be returned full shipping in HowTo Read Gr...

Page 4: ...IMIT is setto 420 feet and the Suppressor con trol is rotated to the maximum pos ition the transmitter pulsewidth would be 1220 micro seconds 420 initial 800 1220 Earlier we talked about the rela tionship between pulsewidth and target separation As pulse width increases targetseparation or resolution is degraded However if the pulse width isdecreased resolution becomes much better TheX 1550 allows...

Page 5: ...50 automatically increases theinitial pulse widthof the unit asdeeper lowerlimIts are setby the operator Note Initial pulsewidth is the pulsewidthof the unitwhenthe Suppressor control is turned to minimum INITIAL TRANSMIT LOWER PULSE LIMIT WIDTH Feet Micro seconds 10 110 20 130 30 160 40 200 200 From 210 feetto 600 feet the initialpulsewidth increases at thesame rateas the depth For Figure 2 The s...

Page 6: ... the 5CC function OFF press 0 MARK SCC The SCC value 1 2 or 3 can be changed orturnedOFFat anytime Feet Fathoms Meters TheX 15 will display the depth in feet fathoms or meters Al though the unitwill revertback to the feet mode whenever power is turned off it is simple to change to any mode you wishby pressing 1 and 3 for feet 4and 6 for fathoms and 7and 9 for meters These keys must be pressed simu...

Page 7: ...he top of the chartpaper can at times extend many feet below the sur face Thisoften interferes with the areathat one is tryingto graph Surface clutter is caused byalgae and plankton air bubbles created by wave action or boat wakes bait fish ortemperature inversions The surface clutter can be re duced or eliminated by using the MARK SCCkey on the control panel To use the SCC control press 1 for min...

Page 8: ...he right edge of the platen assembly Refer to Figure 2 on page 3 Move the frontofthebelt DOWN to position the stylus at the centerofthe platen 4 Grasp the beltatthestylus holder withthe thumband forefinger and move it gently to the left while pushing the beltoff the wheels withthe otherforefinger See Figure 40 5 Position the new belton the wheels by reversing the pro cedure usedto remove the oldon...

Page 9: ... bend the leftleg down more butnot so far that it digs into the paper 8 Closethe frontofthe case Latch both catcheson the top of the case line onthe targetcompletely showing no black which makes the target difficult to see RANGE The Lowrance X 1550 straight line graph hasthemost advanced range selection capability of any depth sounder in its price range We urgeyouto read this section carefully to ...

Page 10: ...PPERLIMIT Many timeswhenyou are fish ing it is desirable to blowup or expand asection of the waterbe neath you This is made possible by the X 1550 to showsegments oftheunderwater world on the graphpaper By using the UP PER LIMITkey any depth in mul tiplesof 10 maybe displayed at theTOP of the chartpaper Example Display 20 60feet Press 2 0 UPPER LIMIT Result Figure 16 Lie 92 Lb bD U U bO Figure 31 ...

Page 11: ...ate the depth or scale maybe deleted if desired Pressing the SCALE key oncewill stoptheprinting ofthe scale numbers The scale maybe displayed again by pressing the SCALE key Remember the scale may be displayed at anytime bypressing either the LOWER LIMIT or the UPPER LIMITkey Example Press SCALE Result Figure 20 End of PaperMarker The graph paperusedinthe X 1550 hasared line printedat the bottom o...

Page 12: ...bablyhaveto be set atthe point or higher V PAPER LOADING CAUTION High voltageis present in theelectronicsection when the unitisturned on 1 TURN THE UNIT OFF 2 Release both catcheson the top ofthe case Pull out and down on the top of thecase frontto expose the platen as sembly See Figure 25 3 Move the stylus beltDOWN on the right side oftheview ing area to position the marking stylus on the back si...

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