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7. TO SET 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
:
Weak noise rejection
2
:
Strong noise rejection
Note:
Clean Echo eliminates noise but it sometimes eliminates response from small
fish.
Clean Echo
8. TO SET TRANSMITTING OUTPUT
2
ranks of transmitting output (Low or High) can be selected.
・
Set POWER REDUCER on menu
1
. (LOW, HIGH)
Transmitting Output
9. TO SET STC
This suppresses sensitivity shallower than approx.
100
m and eliminates reflected signal from
plankton and air bubble. Stronger STC is set, sensitivity near sea surface decreases. When you
make STC too strong, response near sea surface disappears. On the other hand, when you
make STC too weak, response near sea surface becomes strong and you can not judge the
image in some case.
・
Set STC on menu
1
.
(WEAK, MEDIUM, STRONG OFF: Canceled)
STC
※
Please refer to "HOW TO OPERATE MENU" (page
5
) for menu operation.