Anilam DRO Help Required

Hi,
I've just bought a Colchester Master 3250 Lathe that has a
Anilam Lathe Series Wizard DRO system,
My problem is that I've no instruction manual for it and It is Displaying mm on the 'X' axis and Imperial on the 'Y' axis ?
On the panel the 'mm' light is on but nothing happens when i Press it?
Am I missing something as I'm at a loss,
Any feedback would be gratefully received

Thanks Nige
Attachment 28978

I have a PDF copy of an Anilam display manual for the MiniWizard and Wizard displays (it says...) Not sure if there is a specific lathe version mentioned but it might help.

I had a MiniWizard on my Smart and Brown when I bought it, although when one of the scales failed I ended up replacing the whole lot with an Easson setup. Still have the display head sitting under a bench somewhere - I think that that bit was OK. FWIW, my display is very similar although not identical to the one you show, except that mine says "Miniwizard."

PM me your email address and I can send you a copy of the PDF.