The Ultimate Guide to All PROTREKs — composed by Experts
Before using this guide, we recommend:
All settings are clearly explained and understandable.
1. In the Timekeeping Mode, hold down A until the second’s digits start to flash, which indicates the setting screen.
- While the second’s digits are flashing, press E to reset the seconds count to 00.
2. Press D to move the flashing in the sequence shown below to select other settings.
3. While the hour, minutes, year, month, or day setting is flashing, use E (+) and B (–) to change it.
- When the 12/24-hour setting is flashing, press E to toggle between 12-hour ( ) and 24-hour ( ) timekeeping.
4. Press A twice to exit the setting screen.
Recent News about Casio ProTrek SPF-40 Series
Being a fan of CASIO watches since 2009, I strive to share my passion and knowledge with others. Through publishing short notes and curating all listings on this site, I hope to inspire fellow enthusiasts to explore the world of high-quality CASIO watches. A proud owner of GST-B200, GG-1000, GA-110. Remember: Fake Watches are for Fake People.
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