Page 6 FF520
5.1.2 Zoom Full page .................................................................................. 28
5.1.3 Chart/Fish ........................................................................................... 29
5.1.3.0 Focus Soft Key on CHART/FISH page (EXCEPT CP180/CP180I) 29
5.2 GAIN MODE .................................................................................................... 29
5.2.0 Auto Mode .......................................................................................... 30
5.2.1 Manual Mode ...................................................................................... 30
5.3 RANGE MENU ................................................................................................ 30
5.3.0 Range Mode ....................................................................................... 30
5.3.0.0 Manual Mode ....................................................................... 30
5.3.0.1 Auto Range .......................................................................... 30
5.3.0.2 Bottom Lock ......................................................................... 30
5.3.1 Depth .................................................................................................. 30
5.3.2 Shift .................................................................................................... 30
5.4 INTERFERENCE REJECTION ...................................................................... 31
5.5 SENSITIVITY MENU ...................................................................................... 31
5.5.0 Gain .................................................................................................... 31
5.5.1 STC (Sensitivity Time Control) .......................................................... 32
5.5.2 Surface Noise Filter ........................................................................... 33
5.6 DISPLAY SETUP ............................................................................................ 33
5.6.0 Color Settings ..................................................................................... 33
5.6.1 Scrolling Speed .................................................................................. 34
5.6.2 White Line .......................................................................................... 34
5.6.3 Fish Symbols ...................................................................................... 34
5.6.4 A-Scope .............................................................................................. 34
5.6.5 Water Temperature ............................................................................ 34
5.7 TRANSDUCER SETUP .................................................................................. 34
5.7.0 Keel Offset ......................................................................................... 35
5.7.1 Calibrate Water Speed ....................................................................... 35
5.7.2 Calibrate Water Temp ........................................................................ 35
5.7.3 Calibrate Aux Temp ........................................................................... 35
5.7.4 Set Defaults ........................................................................................ 35
5.8 ALARMS ...................................................................................................... 35
5.8.0 Shallow Water .................................................................................... 36
5.8.1 Depth Water ....................................................................................... 36
5.8.2 Fish ..................................................................................................... 36
5.8.3 Temperature Upper ............................................................................ 36
5.8.4 Temperature Lower ............................................................................ 36
5.8.5 Temperature Rate .............................................................................. 36
5.9 SAVE SETTINGS TO USER C-CARD ........................................................... 36
5.10 LOAD SETTINGS FROM USER C-CARD ..................................................... 36
5.11 RESTORE CURRENT PRESET DEFAULTS ................................................ 37
6. FF520 SPECIFICATIONS .......................................................................................... 39
7. TIPS OF OPERATIONS FAQ .................................................................................... 41
INDEX ...................................................................................................... 45