You must also specify whether the sun traverses the sky to the north or to the south of your current position. All of the operations in this section are performed in the Bearing Mode, which you can enter from the Timekeeping Mode by pressing B.īefore the watch can calculate the solar azimuth (the angle of the sun in relation to your location) correctly, you must first set the correct current time, current date, and Home Site in the Timekeeping Mode.The Bearing Mode lets you determine approximate directions using a displayed angle value that indicates the angle to the sun (solar azimuth). Hours, Minutes Use D (+) and B (–) to change the setting. You can specify a value in the range of 179°W to 180☎, in 1-degree units.Longitude Use D (+) and B (–) to change the setting. You can specify a value in the range of –11.0 to +14.0, in 0.5-hour units.Setting Screen Button Operations GMT Differential Use D (+) and B (–) to change the setting. Press A again to display the GMT differential setting screen.GMT differential (+9.0) Longitude (East 140 degrees) Lunitidal interval (5 hours, Change these settings to match the area where you normally use the watch. The following is the initial factory default Home Site data (Tokyo, Japan) when you first purchase the watch and whenever you have the battery replaced.The “Site/Lunitidal Interval Data List” provides GMT differential, longitude, and lunitidal interval information around the world.This watch displays lunitidal intervals in terms of hours and minutes.See “Lunitidal Interval” for more information. ![]() The lunitidal interval is the time elapsing between the Moon’s transit over a meridian and the next high tide at that meridian.Subtract one hour when you change back to Standard Time. Note that you must add one hour to the GMT differential for your time zone whenever you change to Daylight Saving Time.The GMT differential is the time difference of the time zone where the site is located from Greenwich Mean Time.Tide graph data and Bearing Mode solar azimuth data will not be displayed properly unless Home Site data (GMT differential, longitude, and lunitidal interval) is configured correctly. The day of the week is displayed automatically in accordance with the date (year, month, and day) settings.The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is applied in all modes.Pressing A again exits the setting screen. The first press of A displays the GMT differential setting screen.Press A twice to exit the setting screen.12/24-Hour Format Press D to toggle between 12-hour (12H) and 24-hour (24H) timekeeping. Hour, Minutes, Year, Month, Day Use D (+) and B (–) to change the setting. To change this setting Perform this button operation Seconds Press D to reset to 00. When the setting you want to change is flashing, use D and B to change it as described below.Press C to move the flashing in the sequence shown below to select other settings.In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen.See “Home Site Data” for more information. Moon phase, tide graph data, Bearing Mode solar azimuth data, and Moon/Tide Data Mode data will not be displayed properly unless the Timekeeping Mode current date and time settings and Home Site data are configured correctly.The Moon phase indicator shows the current Moon phase in accordance with the current date as kept in the Timekeeping Mode.The tide graph shows tidal movements for the current date in accordance with the current time as kept in the Timekeeping Mode.Use the Timekeeping Mode to set and view the current time and date. In any mode, press L to illuminate the display.The illustration below shows which buttons you need to press to navigate between modes. ![]() assumes no responsibility for any loss or any claims by third parties that may arise through the use of this watch. ![]() When engaging in mountain climbing or other activities in which losing your way can create a dangerous or life-threatening situation, always be sure to use a second compass to confirm direction readings.The tide graph of this watch is intended to provide a reasonable approximation of tidal movements only. This watch is not an instrument for calculating low tide and high tide times.Always use proper instruments and resources to obtain data for navigation purposes. The longitude, lunitidal interval, Moon phase indicator, tide graph data, and solar azimuth data that appear on the display of this watch are not intended for navigation purposes.To get the most out of your purchase, be sure to read this manual carefully and keep it on hand for later reference when necessary. Congratulations upon your selection of this CASIO watch.
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