How to Set and Operate Casio A158W, A159W, F91W (Time, Date, Alarms, Stopwatch, LCD Check, etc) full tutorial

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00:00 Opening
00:17 12H vs 24H Format
00:30 Light
00:37 Change Mode
00:58 LCD Check
01:20 Casio Check
01:31 Setting Time and Calendar
03:13 Mute / Silent The Alarms
03:58 Setting Alarms and Hourly Signal/Chime
05:19 Using The Stopwatch: Start/Pause
05:47 Using The Stopwatch: Split/Lap Time
06:40 Closing