GDL 30/30A Owner’s Manual
19
Wave Period
The Wave Period feature provides the time (in seconds) between successive waves.
Wave Direction
The Wave Direction feature shows the direction in which a wave is moving, as indicated by the direction of the red arrow.
Wave Period feature
Wave Direction feature
W
EATHER
F
EATURES
>
S
EA
S
URFACE
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WAVE
PERIOD
/
WAVE
DIRECTION