ZyXEL Communications MWR211 - V1.0 Manual page 161

Click Add after you have typed a keyword.
Repeat this procedure to add other keywords. Up to 64 keywords are
Add allowed.
When you try to access a web page containing a keyword, you will get
a message telling you that the content filter is blocking this request.
Highlight a keyword in the lower box and click Delete to remove it.
Delete
The keyword disappears from the text box after you click Apply.
Clear All Click this button to remove all of the listed keywords.
Apply Click Apply to save your changes.
Reset Click Reset to begin configuring this screen afresh
MWR211 User's Guide
161