root@pvr:~/mythtv/mythtv# gnutv -cammenu
CAM supports the following ca system ids:
  0x1722
  0x1702
  0x1762
  0x4a20
  0x0500
  0x1800
  0x1801
CAM Application type: 01
CAM Application manufacturer: 4a20
CAM Manufacturer code: 4a20
CAM Menu string: AlphaCrypt Light