Color Changing Long Hold S1 button 3 seconds, the backlight color will change. Stopwatch Press S2 to enter the stopwatch mode, then press S4 to start/stop, press S3 to reset. Alarm Press S2 twice to enter the alarm mode, then press S4 to add hour. Press S3 to finish hour setting, then press S4 to add minute. Press S2 to finish alarm setting. PS: when alarm ring, press S4 to pause it, and it will ring again 5 minutes later. Press S3 to turn it off. Time/ Date/ Week Press S2 three times to enter the Time/ Date/ Week mode and second start to count from 1-59, press S3 to finish second setting. Press S4 to add minute, then press S3 to finish minute setting. Press S4 to add hour, then press S3 to finish hour setting. Press S4 to add day, then press S3 to finish day setting. Press S4 to add month, then press S3 to finish month setting. Press S4 to choose the right week, then press S2 to finish Time/ Date/ Week setting. How to change 12/ 24 hour system? When setting hour, “H”appear means 24 hour system opened. When “A”/ “P” appear means 12 hour system opened. How to open/ close alarm? Hold the S3 and press S4, when “ALARM”sign appear, alarm opened. How to open/ close chime? Hold the S3 and press S2, when all week appear, chime opened; when all week disappear, chime closed. Note: Long Press the S3 to see alarm and Long Press the S4 to see date.
