The site number matches the quick key. The site quick keys show up as system quick keys, the line second from the bottom on your scanner display. For sites 1 thru 9, there is a zero to the right of the S. For sites 10 and 11, there is a 1. Also, check that the numbers 1 thru 8 are showing on the group quick keys. That is the bottom line of your scanner display. Note: the letters A and B (Hex) in the site number correspond to 10 and 11 (Dec).