... clock display to follow the current time, and calibrate it.l Hold down the "CLOCK" key, meanwhile adjust respectively the key ... to make it display “— — : — —” ( it means no timing program, not "00:00"). If you set the switch-on time, you must set ... . For exampleSome electrical equipment needs to switch on 19:00, and switch off 08:00 next day.A. Follow the steps 1, 2 ...