4. TO SET AUTO RANGE MAX. DEPTH
Auto Range Max. Depth
It sets Maximum Depth when Auto Range is operated.
・ Set AUTO RNG MAX DEP. on menu 1.
(30m, 100m, 200m, 300m, Max. Depth)
5. TO SET EXPANSION RATE
Expansion Rate
[Expansion Rate]
Expansion rate for expanded area is set to 2 times/4 times/8 times.
・ Set EXP. RATE on menu 1 (x2, x4, x8).
6. TO SET AUTO GAIN
Auto Gain
Sensitivity is automatically adjusted so that response from sea bottom is even.
・ Set AUTO GAIN on Menu 1.
LOW: Sensitivity decreases. When you judge status of bottom, it
HIGH: Sensitivity increases. It helps you to detect weak object like
OFF: Cancel Auto Gain function.
7. TO SET CLEAN ECHO
Clean Echo
Non-synchronized noise like interference with other boat's fish finder, air
bubbles, electric noise, mechanical noise, etc. is eliminated.
・ Set C-ECHO on Menu 1.
OFF: Canceled
1
2
Note: Clean Echo eliminates noise but it sometimes eliminates response from
small fish.
helps you to confirm second or third reflection.
bait fish, etc.
:Weak noise rejection
:Strong noise rejection
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