crwdns2934241:0crwdne2934241:0 amestoplease01

crwdns2934249:0crwdne2934249:0:

From what I was reading the NB-ANL/ANL help filter out the noise from the ignition system and other working parts of the vehicle that give off background noise.  So, why do I turn this off??

crwdns2915684:0crwdne2915684:0:

open