If just touching the display and you get a pop-up...the "Bearing" shows deg R or relative. If you touch the screen and choose goto, then a data bar appears at the top of the screen and show BTW (Bearing To Waypoint) will show either deg M (magnetic) or deg (True), if set Home-Settings-Units and set bearing display to magnetic or true. If neither of these is what you are talking about, would you post a picture so I can see what you are referring to, please. If you take a picture, also send the software version being used on your TZT XL. Can simply take a picture of the Home-Settings-Initial Setup-Data Sensors-Data Sources display too.