Quick update.
Since recalibrating the screen it is responding as it should to the touch screen.
The issue with the mapping in Tenerife does look as if it was down to the mapping not on the unit; got home last night and powered it up today and it seems back to normal on UK mapping.
Since recalibrating the screen it is responding as it should to the touch screen.
The issue with the mapping in Tenerife does look as if it was down to the mapping not on the unit; got home last night and powered it up today and it seems back to normal on UK mapping.