Originally Posted by
bonajet
FYI The Harrier one is from a first gen aircraft and is analogue with a 35mm film strip system. The other two look more modern and digital. I don’t have personal knowledge of the Tornado set up but I wouldn’t try and bodge the Harrier one.
I would agree not to try and modify the Harrier unit. It would be better to wait until you can find the correct PMD, which, as you probably already know, was an analogue item using film for the map display.