Mainly for Jack Erbes.
Using Garmin data mode and serial connection I uploaded 19 routes one at
a time from my old 16bit nav program route data base, inserted a SD
chip, transferred all User Data to it, deleted all route data on 540s
and repeated this procedure until some 79 routes were stored on 4 SD
chips. It seems that though the 540s will store 20 routes, one of these
is New Route so only 19 are available to use as a trans-coder.
Dick