Support Warranty


  • How do I find the lunitidal interval?

    Lunitidal interval is the difference between moon up and the high tide immediately following moon up. Moon up is when the moon is directly over the consumers longitude, not when it rises. Under ideal circumstances, the high tide and moon up time would be the same. Friction and the ocean floor cause the ocean to move at a different rate in different areas. Adjusting for this difference will give you a more accurate tide reading. You may find the following Web page to be helpful for finding the lunitidal interval:

    http://co-ops.nos.noaa.gov/faq2.html#22

    You can also calculate lunitidal interval by going to:

    http://aa.usno.navy.mil/data/docs/RS_OneYear.html

    Use Form A, and change type of table to moonrise/ moonset. Select state, and enter city for the tide you want to calculate. Or find some other way to find what the latitude and longitude is and when the moonrise and moonset. Halfway between these times would be the moon up.

    Next, find the tide times for that day. These are usually in most newspapers that have a coastline, a local marina, or from the following site:

    http://www.saltwatertides.com/pickpred.html

    The lunitidal interval is the difference from moon up until the first high tide after moon up.

    During DST, the tide time may be 1 hour off. Add 1 hour to the lunitidal interval.

    How does the tide graph function work?

    Input the longitude and the watch calibrates when the moon is over the longitude (moon up). Input the difference from moon up until the next high tide. This is the lunitidal interval. This is used to calculate the time of tides.

    How do I find GMT differential, longitude, and latitude for my area?

    The GMT differential depends on the time zone where you live, along with the status of Daylight Saving Time. For example, in the Eastern time zone, the GMT differential would be -5 during standard time, or -4 during Daylight Saving Time.

    An atlas should give information on longitude and latitude for your area. You can also check with a Web site that provides maps, as they may also have longitude and latitude information. Here is one site that offers GMT differential, longitude, and latitude for many US locations: http://www.hometownlocator.com

    How do I use the Duplex LCD feature on my Pathfinder/Sea Pathfinder watch?

    Duplex LCD is not a function which users operation can change its display color. Duplex LCD is just offering various display of LCD with having 2 different LCD inside the watch. The second is used for 'pointer'operations.

    Do any of the Pathfinder watches have a mineral crystal?
    The following models have a mineral crystal.

    PAG50'S
    PAG60'S
    PAG70'S
    PAG80'S
    PAG50'S
    PAG60'S
    PAG70'S
    PAG80'S

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