Mel,
Unfortunately, we are basically out of code space on the EFIS-D10, and don't have any room to add features like this. The code space issue was one of the primary reasons that we went to the EFIS-D10A, and the EFIS-D10A does display TAS in the current units setting.
We were able to fix the G-meter update issue because that was moving where code ran but not adding any, while this would require additional code.
