17.7 FREQUENCY ....................................................................................................... 122
17.8 GAIN MODE ......................................................................................................... 122
17.8.0 Auto Mode ................................................................................................ 122
17.8.1 Manual Mode ........................................................................................... 122
17.9 RANGE MENU ...................................................................................................... 123
17.9.0 Range Mode ............................................................................................. 123
17.9.1 Depth ........................................................................................................ 123
17.9.2 Shift .......................................................................................................... 123
17.11 SENSITIVITY MENU ............................................................................................ 124
17.11.0 Gain .......................................................................................................... 124
17.12 DISPLAY SETUP .................................................................................................. 126
17.12.0 Color Settings .......................................................................................... 126
17.12.1 Scrolling Speed ........................................................................................ 127
17.12.2 White Line ................................................................................................ 127
17.12.3 Fish Symbols ........................................................................................... 127
17.12.4 A-Scope ................................................................................................... 127
17.13 TRANSDUCER SETUP ........................................................................................ 128
17.13.0 Keel Offset ............................................................................................... 128
17.13.3 Set Defaults ............................................................................................. 128
17.14 ALARMS ............................................................................................................... 128
17.14.0 Shallow Water .......................................................................................... 129
17.14.1 Deep Water .............................................................................................. 129
17.14.2 Fish .......................................................................................................... 129
18. TROUBLESHOOTING .................................................................................................... 131
19. TECHNICAL TESTS ....................................................................................................... 132
19.0 SYSTEM TEST ..................................................................................................... 132
19.0.1 DIM Menu ................................................................................................. 132
19.0.2 Cartridges ................................................................................................. 133
19.0.3 Serial Ports .............................................................................................. 133
20. SPECIFICATIONS .......................................................................................................... 134
21. APPENDIX: TERMS ....................................................................................................... 137
ANALYTICAL INDEX ............................................................................................................ 139
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CPF180i and CPF300i