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Rejecting Particular Colors (COLOR REJ.) ................................................................................. 40
Discriminating between the Sea Bottom and Fish Schools (WHITE LINE) ................................. 41
Suppressing Interference (ADJUST FREQ.)................................................................................ 42
Getting Sharper Display Pictures (TX PULSE WIDTH) ............................................................... 42
Preventing interruption by Bubble (TX CYCLE MODE) ............................................................... 43
To inhibit the display of the quasi sea-bottom image (ADJUST TX CYCLE) ............................... 43
Darkening/Lightening General Colors (ADC MODE) ................................................................... 44
Displaying an Externally Input Fishfinding Display (EXT INPUT) (Option) .................................. 44
Emphasizing little Echoes Onscreen 1 (SIG.PROCESS)............................................................. 45
Emphasizing little Echoes Onscreen 2 (SCROLL STEP) ............................................................ 45
Error Messages................................................................................................................................ 46
CAN'T BACK UP .......................................................................................................................... 46
CAN'T READ DATA...................................................................................................................... 46
LANGUAGE TYPE ....................................................................................................................... 46
Executing a Master Reset ............................................................................................................ 47
3.4 Remote Controller Functions ....................................................................................................... 48
What You Can Do with the Remote Controller.............................................................................. 48
Connecting the Remote Controller ................................................................................................ 48
Remote Controller Buttons and Functions ................................................................................... 48
3.5 Remote Controller Operation ....................................................................................................... 50
Record/Replay Function ................................................................................................................. 50
Recording an Image ..................................................................................................................... 50
Replaying a Recorded Image....................................................................................................... 51
Alarm Function ................................................................................................................................ 52
Enabling and Disabling the Audible Alarm ................................................................................... 52
Setting the Fish School Alarm ...................................................................................................... 53
Setting the Water Temperature Alarm .......................................................................................... 54
SECTION 4 Maintenance ........................................................................................... 55
4.1 Daily maintenance ......................................................................................................................... 55
4.2 Measures to be taken when an abnormality or failure has been found ................................... 56
SECTION 5 Consider Installation.............................................................................. 57
SECTION 6 After-Sales Service ................................................................................ 58
When ordering a repair ................................................................................................................... 58
Recommendation of overhaul ........................................................................................................ 58
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