I think we are sorted now. Thank God for the web in the absence of manufacturers who appear not to offer a service.   Greatly appreciated.   Regards, Chris.

Ulmisch,   I see. Leave it with me, I will try this weekend and see where I get to.   Thanks for jumping in.   Regards, Chris.

Spadge,   Thanks, but that won't work for me unless i misunderstand your suggestion.   I have taken the files off the AK and deposited in file on my hard drive Mac. There are no relevant files to be trashed, unless you are saying clear your trash to make this work anyway.   Could you...

Hi, I am struggling to free space on my AK100 despite having deleted files in the AK100 file (attached as USB) when the unit is attached to my Mac. Keeps saying that there is not enough disk space. AK100 says 9.39mb left / 29.28GB used. However I have deleted a lot of HiRes files and want to...