Here's the English translation of your text:
1. To record attendance, the shift number must be filled in the corresponding blank spaces. Otherwise, the records will only appear on the swipe record sheet and will not be reflected on the attendance sheet, nor can they be included in the attendance summary statistics.
2. Scheduling can only be done one month at a time. The schedule needs to be created and uploaded to the machine monthly, either at the beginning or the end of the month.
3. The default scheduling sheet assumes a two-day weekend. If no schedule is assigned for a day, records for that day will not be counted.
4. Valid shift numbers are 1~24.