How to set the time and check the time 

Set the time by pressing any button of "hour" button, "10 minute" button, "minute button.
Holding down the button, there is a long vibration "Booo" from the main body.
Then there is a short vibration "Bo", and when you release it at the time of arbitrary number of vibrations, 
the number of short vibrations will be the number of settings.

As an example, the following explains how to set 3:48.

(1) Set "3 o'clock"
Holding down the "Hour" button, after a long vibration "Booo", there is short vibration"Bo", and release the button
? during the 3rd vibration.
(2)Set "40 minutes"
Like (1), release the "10 minutes" button during the fourth short vibration.
(3)Set 8 minutes.
Like (1), release the "minute" button during the eighth short vibration.
(4)Morning/afternoon setting
Continue press and hold "Hour", "10 minutes", "Minute" at the same time by 3 fingers.
To set the morning, release the 3 fingers during 1st time long long vibration(Boooooo).
To set the afternoon, release the 3 fingers during 2nd time long long vibration(BooooooBoooooo).

2.Check the time
◆To check the time, press any "Hour", "10minute", "minute" button. 
◆Presenting the time by number of short vibration"Bo" and long vibration "booo".
◆Short vibrations represent "1", long vibrations represent "5".

   For example,
"1" : 1 time "Bo"
"4":4 times "BoBoBoBo"
"5":1 time "Booo"
"8": 1 time "Booo" and 3 times "BoBoBo"(5+1+1=8)
"10":2 times "BoooBooo(5+5=10)

◆ Morning / afternoon confirmation
Pressing the "hour", "10 minutes", "minute" briefly at the same time, 
there is one long long vibration"Boooooo" in
the morning and two long long vibrations 'BoooooooBoooooo" in the afternoon.