First press the two "reset" keys twice at the same time to adjust the day of the week, hours and minutes, and seconds.

Open the battery cover at the bottom of the machine, install 2 AA batteries (used to maintain programs in the event of a power outage), turn on the 220V power supply, first press the two "Reset" buttons at the same time twice, and the screen will display "0 :00", at this time the second point flashes. Press the "week" key to adjust the day of the week, and press once to adjust the day. Press the "Time" key to adjust the hours and minutes. Press and hold to increase one. Press and hold to change to fast increase. Press "Time -" to adjust hours and minutes. Press and hold to decrease by one. Press and hold to change to fast decrease. In the travel time state, press the "Save" button, and the clock will display 'seconds'. Press the "Time" button, or the "Time -" button to adjust the seconds. Press the "Save" button again, and the clock will return to display the current time. , divided into states.

Electric bells generally have five buttons: reset, function, selection, addend, and subtract. Press the function button first and press continuously to adjust the time, alarm time, and day of the week.