1. From the Network menu, choose PuT valid days.
The PuT valid days window opens.
2. Select the Operating periods tab.
3. In the list, click the operating period of your choice.
4. Click the 
Edit button.
The Edit operating period window opens.
5. Edit the values of the desired attributes (Properties and options of operating periods).
6. Confirm with OK.
The attribute values are edited.
