I have a 8130 and a GlobalSat BT-368i. I go to "Options" then "Advanced Options" then "GPS." That page shows "GPS Data Source" which is my GlobalSat. It also shows "GPS Services." The two choices are "911 Only" or "Location On." Pick "Location On." I'm hoping your 8110 is the same. You might want to read the instructions on setting up your combination at:
Review: GlobalSat BT-359 GPS « My BlackBerry Pearl 8130