Period Unit
Under batch schedule shift mode, "Shift Period" and Period Unit" will appoint some time segment, user only arrange shift during the time segment (begin at the starting date), After finish, please remember to save, Software repeat shift setup of the time segment from starting date to end date.

"Period Unit" can be day and month. If period is N hour, unit is Day, it means that system repeat shift by unit N day. Unit is Month, it means that system repeat shift by unit N month. Since the number of day is difference for each month, the repeat regular is especial. For example, if shift period is a month for 2011, user need set shift for each day in January, then copy shift of 1 month (from 1st January to 31st January) to other months (1st to 31st), if any month have no 29th, 30th and 31st, those days will be neglected.

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