Originally Posted by
halfspeed
The most annoying feature of the the Sigma is that you have to individually reset your trip distance, trip time and your averages before a ride rather than having them all zero together. Oh yeah, the o-rings suck too.
Actually the 1606L will zero the trip distance, trip time and averages all at once if you hold down the top right button for about 10 seconds. This may not be the case for a different model Sigma though. Agree that the o-rings are not the greatest. I need to adjust them before every ride.