Hi I have set the tide hand with the correct tide time from tables but the tide hand will not remain accurate. It looses time. i.e. takes to long for each tide by about 10 mins so after a week or so the indicator is out. I have tried to set the moon phase by waiting for a full moon to occur and putting the moon phase indicator to the vertically up position. The instructions do not give me any details on whether this correct or not. I'm guessing that the moon phase ha to be correct for the tide phase to keep the correct measure. Regards and many thanks
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