FCP 6.0.2 and up.
Log and Transfer? Were the converted to .mov? That's what Log and Transfer does.
Calibrated is form MPEG-2 .mp4 EX use. Not for .mov which would play inherently in the above system.
If you have Calibrated for .mov playback it'll make a mess since it's not for use with FCP 6.0.2. It'll conflict with the built in EX .mov codec.