How do I reset my digital timer?

Here is a link to one Garrison Timer. If not same as yours look this site for UPM over for yours, it is the only site I could find anything.

Garrison Outdoor Programmable Timer with Remote Control (http://www.upmwebstore.ca/Product/ArticleDetail_ArticleId_3cc6d4dd-91f2-4a97-a7ca-1d74928a1af2.html)