Getting rid of Air base's

[Capt Over-reaction]

I know Garmin was originally for aviation, however can anyone tell me how I can get rid of all the airports that are on the screen. Looked back through the old pages to no avail.
Running a 2610 with software version 4.2 and Mapsource Ver:6
Don't really mind but a ride out Lincs way, and all you can see is AFB's