1. First, press the time or public calendar key to enter the time state.

2. Press the alarm/unit key again. At this point, the song and time set by your alarm clock should be displayed on the screen. The last one, AL 1/2/3, refers to the set alarm groups (three groups can be set in total).

3. Press the M- (down) key again, then this group of alarms will be turned off, your song and alarm group number will be displayed on the screen, and the time in between will become-and then press other keys to show that there is no alarm.

4. If you set multiple sets of alarms, press the alarm/unit key after turning off one set of alarms in the third step above, and your next set of alarms will be displayed. If the intermediate time is still ellipsis (such as 0 1-Al3), continue to press the alarm/unit key to see the third set; If there is a time setting, press M- (down key) as in the third step above (the operation is to turn off the second alarm), and then continue to check the third group. If there is no time setting, press any other key to make the alarm disappear. If there is a time setting, close it in the same way.

This calculator can only set three sets of alarms, and only one set of alarm symbols on the screen will not disappear when it is turned off.