I think I got what Tolwyn was talking about. If you don't have some character after ALTSYMBOL then the default that will show up will be a '+'. If that is to big and distracting you can put a period after ALTSYMBOL like I have it below. If you don't want any symbol to show up then change the value after ALTICON to be 00.0 as I show on the FOE line.
I found that if after the word DOT I have '60.0' that some kind of spec will show up at about 40 seconds out as I fly my late model Spit toward a late model 109. I like the results.
mp_dotrange FRIENDLY DOT 60.0 COLOR 1.65 RANGE 0.01 TYPE 1.65 ID 0.01 NAME 0.02 ALTICON 30.0 ALTSYMBOL . ALTCOLOR 10
mp_dotrange FOE DOT 60.0 COLOR 1.65 RANGE 0.01 TYPE 1.65 ID 0.01 NAME 0.02 ALTICON 00.0 ALTSYMBOL . ALTCOLOR 10
_________________________
Race you to the Mucky Duck!