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① double-click the circle blank area to add the plan time period
or use the time switch button to switch to the circle blank area to
automatically add the plan time period.
② Choose the work mode of the plan time period
③ Drag the slider to adjust the start and end time or to modify
start and end time directly.
④ Click “Done” to save the plan setting.
⑤ If want to delete the current setting period, then click delete