![]() X The “Site/Lunitidal Interval Data List” at the back of this manual provides UTC differential and longitude information around the world. Surfers like G-LIDE for unique surfing functions and for good water resistance. Designed and specifically made for the surfing market. X This watch displays lunitidal intervals in terms of hours and minutes. Lineup: G-LIDE (Extreme Sports Line with Tide Graph, Moon Data, high tide and low tide times, and sunrise and sunset times. See “Lunitidal Interval” (page E-45) for more information. X The lunitidal interval is the time elapsing between the Moon’s transit over a meridian and the next high tide at that meridian. Leap seconds are added or subtracted as necessary to keep UTC in sync with the Earth’s rotation. ![]() It is based upon carefully maintained atomic (cesium) clocks that keep time accurately to within microseconds. X The letters “UTC” is the abbreviation for “Coordinated Universal Time”, which is the world-wide scientific standard of timekeeping. X The UTC differential is a value that indicates the time difference between a reference point in Greenwich, England and the time zone where a city is located. Moon phase, tide graph data, and Moon/Tide Data Mode data will not be displayed properly unless Home Site data (UTC differential, longitude, and lunitidal interval) is configured correctly. To select the operation of Alarm 1.ĭual Time. To turn Alarms 2 and 3, and the Hourly Time Signal on and off. To view the current Moon/Tide Data Mode data. To toggle between 12-hour and 24-hour timekeeping. To toggle the Timekeeping Mode time between DST and Standard Time.
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