Found this Gem 3 seconds

[ODog]

Originally Posted by so cal lurker

... we were graced with a 10 second backcourt call (while the shot clock only showed 9 seconds had run) ...

Not speaking to your instance in particular, but unless the shot-clock operator is amazing (and at the HS level or below, that's a toss up at best, getting worse as the level drops), you cannot use the shot clock as any sort of barometer for a 10-second call, nor should you.