Motorola MT7711 User Manual page 63

Now set the start and end times of when you want to allow the device to
have Internet access. Here is an example of entries to allow Internet access
in an after-school period from 5:00 pm to 10:00 pm. We have named the
sample entry AfterSch:
Make sure to check the Enable box, and click the Save button.
Click the Add button to configure a Whitelist entry for an allowed schedule
for another device, if you like.
When you have completed all Whitelists, remember to Enable Parental
Control at the top of the page, and click Save.
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