Lowrance 5150c 操作指南

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The Tidal Current Information screen displays daily tidal current data 

for this station on this date at the present time. The graph at the top of 

the screen is an approximate view of the flood and ebb pattern for the 

day, from midnight (MN), to noon (NN) to midnight (MN). The velocity 

scale at the top left side of the graph changes dynamically based upon 

the maximum velocity of the current for that day. 
Slack water, the period of little or no current, is represented by the 

Slack Water Line (SWL). The flood appears above the SWL and the ebb 

appears below the SWL. You can look up tidal current data for other 

dates by changing the month, day and year selection boxes.