Messed up Thunderbolt

[ver tum]

http://youtube.com/watch?v=klZhcST9e0A

This dual tone Thunderbolt is attempting to sound in Attack for a tornado warning. At least one of it's timers is really messed up.

[kanazo]

Wow, sounds like the broken one Derek recorded some time ago... but worse, the timer is far off.

[ver tum]

Which timer controls the length of the Attack whale? Is it the AR timer?