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The reflected echo from sea bottom might appear when using shallow range than the actual
depth (distance). Slow the scan speed to decrease or eliminate the ghost image.
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SLOW SCAN SPEED
(SONAR MODE)
Scan Speed Set-up
Go to MENU1 – 7.OTHER SONAR.
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Go to 2.SCAN SPEED.
STD :
Normal
LOW
: When you use shallower range
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short range
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than actual
bottom
depth (distance) ,
Select this low speed when ghost image appears.
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This function is effective less than 60m range when using S1 or S2.
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