Lowrance electronic M68C IceMachine - Manual (Page 4)

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Depth Range - Manual................................................................ 50
Turn Auto Depth Range on Again:..................................... 50
Depth Range - Upper and Lower Limits ................................... 50
FasTrack
 .................................................................................. 52
Fish I.D.
 (Fish Symbols & Depths) ......................................... 52
FishTrack
 ................................................................................. 53
Overlay Data ............................................................................... 54
Change Displayed Data Font Size: ........................................ 55
Ping Speed & HyperScroll
....................................................... 56
Reset Options .............................................................................. 57
Sensitivity & Auto Sensitivity.................................................... 58
Turn Auto Sensitivity Back on: .............................................. 59
Set Keel Offset ............................................................................ 59
Sonar Color Mode........................................................................ 60
Sonar Page & Sonar Chart Display Options ............................. 61
Full Sonar Chart ..................................................................... 61
Split Zoom Sonar Chart .......................................................... 61
Digital Data/Chart .................................................................. 62
Flasher..................................................................................... 62
Sonar Simulator.......................................................................... 63
Stop Chart ................................................................................... 63
Surface Clarity ............................................................................ 64
Zoom Pan..................................................................................... 65
Sec. 5: Ice Fishing .................................................................... 67
Icemachine Mode Operation....................................................... 68
Sensitivity ............................................................................... 70
Colorline

.............................................................................. 71
Battery Gauge ......................................................................... 72
Sonar Signal Interpretation ....................................................... 72
Ice Flasher Options..................................................................... 73
Split Zoom Display Mode........................................................ 73
Color Modes............................................................................. 74
Scouting Through the Ice ........................................................... 75
Sec. 6: Sonar Troubleshooting.............................................. 77
Sec. 7: Basic GPS Operations................................................ 81
Keyboard ..................................................................................... 81
Power/Lights (Turn Unit On and Off) ....................................... 82
Main Menu .................................................................................. 82
Pages ........................................................................................... 84
Sonar Page .............................................................................. 84
Satellite Status Page .............................................................. 84
Navigation Page ...................................................................... 86
Full Map Page ......................................................................... 88