In either Manual or Aperture Mode, with the aperture setting reading F8, the top lcd panel displays a small icon above the F. This tiny icon is of the letter L (Locked?). I cannot change the value of the aperture setting with any of three different G lenses mounted.
In the A mode the f-stop display remains at F8 as I rotate the subcommand dial.
In the M mode the f-stop remains displayed at F8 with the L-icon as I vary the shutter speed from 1/250 to 30".
In the S Mode, lo is displayed where the f-stop is normally displayed. This lo does not change as I vary the S setting from 1/250 to 30".
This L icon is not listed in the Index of the manual and I cannot find it in the body of the manual. I cannot find the symptom in the Trouble Shooting or Error Messages sections.
Help! I've got a brand new 105mm G macro lens and the blossoms are starting to bloom outside!