Eagle FISHMARK 640C Installation And Operation Instructions Manual page 4

Fish-finding & depth-sounding sonars
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Main Menu .........................................................................................39
Pages ..................................................................................................40
Basic Sonar Quick Reference ......................................................45
Sonar Operations ...............................................................................46
Fish Symbols vs. Full Sonar Chart ...............................................50
Other Free Training Aids ..............................................................50
Section 4: Sonar Options & Other Features .............................52
ASP (Advanced Signal Processing) ................................................53
To change the ASP level ................................................................54
Alarms ................................................................................................54
Depth Alarms .................................................................................55
Zone Alarm .....................................................................................56
Fish Alarm......................................................................................57
Backlight and Contrast Level ...........................................................58
Calibrate Speed..................................................................................59
Chart Speed........................................................................................60
ColorLine.........................................................................................61
Depth Cursor......................................................................................62
Depth Range - Automatic ..................................................................63
Depth Range - Manual ......................................................................64
FasTrack .........................................................................................65
Fish I.D. (Fish Symbols & Depths) ................................................65
To turn the Fish I.D. feature on ....................................................67
FishTrack ........................................................................................67
To turn on FishTrack.....................................................................67
To change the frequency setting to 50 kHz ..................................69
To change the frequency setting to 200 kHz ................................69
HyperScroll .....................................................................................69
Noise Rejection...................................................................................69
Overlay Data ......................................................................................69
Ping Speed & HyperScroll..............................................................72
To change Ping Speed ....................................................................73
To adjust Sensitivity ......................................................................73
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