watch:
1, the adjustment of the watch’s calendar, day of the week, and moon phase cannot be operated between 21:00PM~3:00AM in the Casio watch time. The calendar function is in operation during this time period and the gear engagement is also low. At the time, frequent movements can damage the internal parts of the Casio watch.
2, week calendar tab, due to the different formatting, there are two types of fast and slow. The first one is completed within ±5 minutes, and the second one is completed within 3 hours.
3. Casio watches with screw-type crowns cannot be pulled out. Please turn counterclockwise to open the locked crown first. After adjusting the time, turn the crown clockwise and push it in to prevent water from entering. .
4. The Casio watch with calendar needs to adjust the date. Please adjust the calendar to the day before the date you need, then turn the hour hand to adjust the date. The date will change when the hour hand passes 12 midnight. This can avoid direct adjustment of the date. Confusion day and night.
5. For Casio watches with complex functions, please read the special instructions first.
Waterproof watch points:
Casio watch waterproof performance mainly depends on the waterproof apron of the watch mirror, back cover, crown, etc., and uses a spiral crown to meet the corresponding waterproof standard.
1. Although Casio watches are waterproof, they cannot be used in hot baths, saunas or environments with drastic temperature changes, because the waterproof rubber ring will expand and contract due to temperature, and will accelerate aging, which will affect the waterproof function. .
2. The crown of the Casio watch should be kept in the normal position, the screw-type crown should be tightened, and the crown cannot be adjusted in water.
3. The waterproof rubber ring and crown of Casio watches must be replaced regularly according to usage.
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