If you have set the time or/and date wrong, no worries it is very easy to correct. Below there is a step by step guide to reset time and date, and there is also a video that shows how to reset.
Press the (< / >) buttons and press the (O) button and hold for a few seconds, until the numbers start flashing.
Set hours with the (< / >) buttons and press the (O) button once to confirm. Set minutes in the same manner. Confirm the time and continue by pressing the (O) button.
Select “DST” (Daylight Saving Time) to choose automatic adjustment between winter time and daylight saving time, OOONO PARK are preset to ON. If automatic adjustment is not preferred, then select “nDST” (No Daylight Saving Time) with the help of the (< / >) buttons. Press the (O) button to continue and confirm.
If “DST” is on, set year, month and date, with the help of the (< / >) buttons. Press the (O) button to continue and confirm.
OOONO PARK is now ready.