It is possible to recycle As events in ZoneMinder?

[terracenter]

Someone can tell me how do I get ZoneMinder overwrite events. What I want that set up these events to be recycled every 15 days.

I am currently doing this manually and when I forget to fill the hard disk.

Thank you.

Note: Please excuse the bad writing, and I'm using google translator to write in this forum, my language is Spanish, thanks again.