I think everyone uses his own "default" settings from personal experience.
Mine are...
radio#1
a/n/ac, 40MHz, ATPC off, all channels, min. basic rate 6, protection auto, disable all that fency stuff below protection mode
radio#2, g/n, MHz, ATPC off, channel customer (1-6-11), min. basic rate 6, g&n protection auto, disable all that fency stuff below protection mode
-Ron