Lang,
As this is your first post and you are a newbie, I'll cut you a bit of slack.
See this thread.
[Link: remotecentral.com]Your question has been answered in the last 2 days. In fact it's still on the first page of this forum.
Learning keywords to use for searches is a must in critical situations such as when something does not work in front of a customer and you need an answer yesterday.
A simple search on keyword 'Mode' would have displayed the thread I provided above.
FYI, if this is your first Pronto, it will help trememdously if you scroll this window and look for the link at the bottom to the following text.
Be sure to read the Pronto/RC5000 FAQ!
The FAQ contains alot of information and can help you resolve various issues that you are likely to encounter when programming these remotes.
Welcome aboard and Best of Luck.
Lyndel