Garmin Fishfinder 240 Owner'S Manual Download | Manualshive

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40

On the Water

40

Appendix D

Software Version ............................................................................................ 27
Speciﬁ cations   ................................................................................................ 34
Speed   ....................................................................................................... 1,  26
Speed Sensor ................................................................................................... 25
Suction Cup Transducer  ................................................................................  36
System ...........................................................................................................  24

T

Table of Contents ............................................................................................ iv
Temperature   ........................................................................................... 21,  26
Testing the Installation  ....................................................................................  9
Tools  .............................................................................................................  18
Transducers   ..................................................................................................... 1
Transom Mount Installation ............................................................................   2
Trolling Motor Installation ............................................................................... 4

U

Understanding Sonar ..................................................................................... 28
Units ............................................................................................................ 26

V

View ............................................................................................................. 13

W

Water Type   .................................................................................................... 25
Whiteline ......................................................................................................   16
Wiring Harness Installation ........................................................................   5,  6

Z

Zoom ............................................................................................................ 13

Index

190-00155-10 Rev A.indd

08/16/00, 2:48 PM

40

www.reelschematic.com

www.reelschematic.com

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Summary of Contents for Fishfinder 240

Page 1: ...owner s manual Fish nder 240 240 updated covers indd 08 16 00 3 25 PM 1 www reelschematic com www reelschematic com...

Page 2: ...torage medium to be viewed for personal use provided that such electronic or printed copy of this manual contains the complete text of this copyright notice and provided further that any unauthorized...

Page 3: ...registration system are now being automated and re registering your purchase ensures you the best possible support from GARMIN Customer Service Product Registration Thank You for choosing the GARMIN F...

Page 4: ...NT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT SOME STATES...

Page 5: ...w depth temp 010 10177 00 Bronze Thru Hull w depth temp speed 010 10119 00 Plastic Thru Hull w depth 010 10224 00 Plastic In Hull depth only 010 10249 00 Plastic Transom Mount w depth temp 010 10200...

Page 6: ...tion 5 Wiring to a Fuse Block 5 6 Display Installation Surface Mount 7 Display Installation Flush Mount 8 Testing the Installation 9 Unit Operation 10 27 Using the Adjustment Bar Keypad Function 10 Ra...

Page 7: ...Memory Remember 27 Factory Setup 27 Software Version 27 On the Water 28 33 Understanding Sonar 28 Transducer Coverage 29 Understanding the Chart 30 Whiteline 31 Thermoclines 32 Simulator Mode 33 Appe...

Page 8: ...nsducer or Speed Sensor the unit can display the boat s speed over water Fish The unit displays sh as arches or sh symbols and can alert you when a sh is detected Thermocline and Structure With GARMIN...

Page 9: ...e coverage area but at a decreased bottom resolution In deeper water this can result in a large dead zone where fish cannot be seen A narrow cone angle transducer is better suited to deep water instal...

Page 10: ...can cause cavitation that may degrade the boat s performance and damage the prop Make sure that the transducer is below water level when the boat is on plane at high speed Mount the transducer cable c...

Page 11: ...nsducer in the water pointed directly at the bottom and set unit for optimum performance Place the transducer in the test device as show on the side bar If the sonar performance is signi cantly degrad...

Page 12: ...er 3 Place the free end of the clamp band into the worm gear and tighten until the band is through the worm gear 4 Place the clamp and transducer over the body of the trolling motor Finish tightening...

Page 13: ...ble to wire the unit directly to an unused holder on your current fuse block If you are using the boat s fuse block remove the in line fuse holder supplied with the unit Installing the Wiring Harness...

Page 14: ...onnected to another piece of NMEA com patible electronic equipment If equipped with a capable transducer the Fish nder 240 sends depth temperature and speed information that could be displayed on anot...

Page 15: ...four mounting holes with a pencil 3 Drill pilot holes for the mounting fasteners not included in kit 4 Secure the Surface Mount using the mounting fasteners 5 Slip the unit into the surface mount bra...

Page 16: ...4 35 H relief hole where the unit will be mounted 3 Place the display in the relief hole and tape in place 4 Reinstall the knobs in the unit Install the surface mount with the cam lobes pointed towar...

Page 17: ...ttom Verify that the unit is not in the simulator mode If the unit is in the simulator mode make sure that the transducer is connected to the wiring harness To test the transducer installation gradual...

Page 18: ...e Adjustment Bar and Setup Menu data elds for review or change Setup Key The Setup key is used to activate deactivate Setup Menu Power Key The Power Key is used to turn the unit on off and to activate...

Page 19: ...ay Messages and Alarm Icons are displayed along the bottom The Fishfinder 240 has three levels of display backlighting Off Low and High The backlight is activated by momentarily pressing the Power key...

Page 20: ...review the available settings before making a change press the ENTER key to activate the adjustment list Range The Range Adjustment is used to set the display depth range The unit can be set to autom...

Page 21: ...her than No Zoom is selected This setting allows you to select a specific area to view on the display or allow the unit to automatically select a viewing area based on the bottom To change the view 1...

Page 22: ...by selecting a higher gain If there is too much detail or if the screen is cluttered lowering the sensitivity may increase the clarity of the display To change the Gain 1 Highlight Gain on the Adjust...

Page 23: ...access the Chart tab place the highlight over it using the arrow keys Fish Symbols Fish Symbols allows the user to determine how the chart will display underwater targets and background information If...

Page 24: ...e ON or OFF and press ENTER to accept the selection Scroll Speed The speed that the chart scrolls from right to left can be adjusted using the Scroll Speed selection eld If you are sitting still or th...

Page 25: ...rlay in the Corners with Basic or No Scale To Change the Scale Setting 1 Highlight the Chart tab on the Setup Menu 2 Highlight the Scale selection eld and press ENTER 3 Choose Overlay Corners Basic or...

Page 26: ...e arrow keys Depth Line When the Depth Line tool is activated a Depth Line selection is added to the Adjustment Bar To Activate the Depth Line 1 Highlight the Tools tab on the Setup Menu 2 Highlight t...

Page 27: ...cture and bottom returns much the same as a true Flasher You may find this feature particularly useful when using Fish Symbols To Turn the Graphic Flasher On and Off 1 Highlight the Tools tab on the S...

Page 28: ...Voltage and Speed fields on the chart To Select Normal or Large Numbers 1 Highlight the NUM tab on the Setup Menu 2 Highlight the Number Size selection eld and press ENTER 3 Choose Normal or Large pr...

Page 29: ...re selection eld and press ENTER 3 Choose Auto Show or Hide press ENTER to accept the selection Speed The Fishfinder 240 can display the boat s Speed Over Water when equipped with a speed capable tran...

Page 30: ...Choose the desired setting press ENTER to accept the selection Shallow Water The Shallow Water Alarm can be set to sound a warning at a depth determined by the user Before the unit will sound a warnin...

Page 31: ...g the arrow keys input the desired depth press ENTER to accept the setting Battery Voltage The Battery Voltage alarm can be set to warn you when the battery is reaching a critical state of discharge A...

Page 32: ...three settings Off Alarms Only and Key Alarm To Change the Beeper Setting 1 Highlight the System tab on the Setup Menu 2 Highlight the Beeper eld and press ENTER 3 Choose Off Alarms or Key Alarms pres...

Page 33: ...eld and press ENTER 3 Choose Fresh or Salt press ENTER to accept the selection Speed Sensor With a speed sensor installed the Calibrate Speed eld will become available This will allow you to calibrat...

Page 34: ...nheit F or Celsius C To Select a Temperature Unit 1 Highlight the Units tab on the Setup Menu 2 Highlight the Temperature eld and press ENTER 3 Select Fahrenheit or Celsius press ENTER to accept the n...

Page 35: ...p Only press ENTER to accept the selection Factory Setup To Restore the Factory Settings 1 Highlight the Memory tab on the Setup Menu 2 Highlight the Factory Setup button and press ENTER 3 Choose OK t...

Page 36: ...idebar demonstrates this showing an underwater scene as it would be displayed on the chart Generally speaking if the only thing between the transducer and the bottom is water the first strong return w...

Page 37: ...the water depth As shown in Example 1 the coverage area at a 30 foot depth is approxi mately a 10 foot diameter circle The scale below illustrates how coverage increases as depth increases 1 10 9 8 7...

Page 38: ...e chart it appears the sh and tree are side by side but when we look at the scene from the top we can see that the sh is several feet from the tree It is important to remember that the sh nder can not...

Page 39: ...the bottom type the black return makes this more dif cult With the whiteline active the bottom return appears layered in shades of gray and black and makes determining the bottom type easier and more...

Page 40: ...to see through thermoclines and helps locate fish where they live and fish love the thermocline A rough de nition of a thermocline is a break in water where the water temperature changes faster than...

Page 41: ...of the chart While in the simulator mode the unit will display a random bottom scene and the Fishfinder 240 can be controlled just as if it were on the water The unit can be configured to act as if a...

Page 42: ...inutes Power Input 10 to 18 VDC with High Voltage Protect Usage 10 watts maximum Nominal 12 VDC 0 8 amps Performance Sonar Power Output 400 watts RMS 3200 watts peak to peak Frequency 200 kHz Depth 12...

Page 43: ...emove most messages after 10 seconds and display a reminder icon in the lower left corner of the chart until the alarm is no longer valid Battery Voltage Low Deep Water Alarm Shallow Water Alarm Suppl...

Page 44: ...a suitable location for the transducer If you are in a slow moving boat such as a canoe or at bottom boat the mounting location is not as critical Follow these simple guidelines and you should be ne...

Page 45: ...talling the D Cell Batteries 1 Disconnect the Red and Black leads 2 Install the batteries noting the correct polarity 3 Reconnect the Red and Black leads and place the battery pack batteries down in t...

Page 46: ...23 Battery Voltage display 20 Beeper 24 C Calibration 25 Chart 15 Contrast 24 D Deep Water 23 Depth 26 Depth Line 18 Display vi Display Installation 7 E Enter Key 10 F Factory Setup 27 Fish Alarm 22 F...

Page 47: ...y ii M Memory 27 Messages 35 N NMEA Output 24 Noise Reject 18 Number Size 20 Numbers 20 O Operation 28 P Portable Case 36 Power Key 10 R Range 12 Remember 27 S Scale 17 Scroll Speed 16 Setup Key 10 Se...

Page 48: ...ntents iv Temperature 21 26 Testing the Installation 9 Tools 18 Transducers 1 Transom Mount Installation 2 Trolling Motor Installation 4 U Understanding Sonar 28 Units 26 V View 13 W Water Type 25 Whi...

Page 49: ...240 updated covers indd 08 16 00 3 25 PM 3 www reelschematic com www reelschematic com...

Page 50: ...S A GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K GARMIN Asia Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com Part Number 190 00...

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