Polar/Mohr 66 net.

Hello every one.
Is there anyone who can help me with how to enter the Service menu on a Mohr 66 net, I need to get in to activate the bar code scanner.

 

Hello Mikael, can you complement what do you need with images?

 

Hello Oabrahim. I do not have any pictures about it, the barcode scanner has worked earlier but after a relocation it is not in the display anymore, the machine works perfectly except that the barkode button is missing in the display, as I understan I have to enter the Service menu but I dont have the password to enter and that is what I would like some help with