Many of you wonder what function 3-button Casio watch you own, how to use it, in this article I will guide you.
* Note: There are many brands that manufacture 3-button watches now, however, 3-button Casio watches are the most popular and their features are similar, so I choose Casio's products as an illustration.
1. Names and functions of each button
- Mode button : This button has the function of displaying modes such as timekeeping, alarm, timer.
- Light button : Used to select the time values you want to adjust such as hours: minutes: seconds.
- Start / Stop button: Used to increase the value to be adjusted.

2. Adjust the current time
- Step 1 : Check that the clock is displaying any mode, if not the current time mode, you press the Mode to display the clock lost letters ST, AL to display the current time.
- Step 2 : To adjust time values such as hour, second, AM / PM, day, day and month, press the Light button .
- Step 3 : To increase or decrease the time value you want to adjust, press the Start / Stop button . After adjusting one time value, to adjust another time value you press the Light button .
- Step 4 : Press the Mode button to complete the setup process now.
 
3. How to set alarm time and signal time
- How to adjust the alarm (AL mode):
+ Step 1 : To enter the alarm mode, press the Mode button .
+ Step 2 : Press the Light button to go to the hour and minute mode.
+ Step 3 : To increase or decrease the alarm time, press the Start / Stop button .
+ Step 4 : Finally, press the Light button to complete the alarm setting process. To turn off the alarm, press the Light button as well.

- How to adjust the hour signal:
+ Step 1 : You press the Mode button to enter the alarm mode (AL).
+ Step 2 : Press the Start / Stop button to select each mode in turn: Alarm + signal / turn off all alarms + signal / alarm only / signal ON.
+ Step 3 : Press the Light button to complete the alarm setting process.

- How to adjust the stopwatch mode on a 3-button casio (ST mode):
+ Step 1 : Similar to alarm mode, press the Mode button to enter the timer mode (ST)
+ Step 2 : Press the Start / Stop to start timer, to end the timer you press the Start / Stop button. Stopwatch running at 59'59.99 "(59 minutes 59.99 seconds) with 1/100 second accuracy.
+ Step 3 : To reset the timer mode, you press the Light .
+ Step 4 : Press the Mode button to finish the ST timer and go to the current screen.

So I have compiled for you 3 ways to set time on Casio watches. Hope the article will be useful to you.
 
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