I had a nice conversation with Jeff Foster of Compulink. I asked and recieved permission to share this with my friends here. It was in regards to the autostart system.
He did caution me to include the info that this is the method for the NHRA pro-classes only.
Hope you enjoy it as I did!
Rapid
autostart
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You are correct.
Here is a Q and A given to the pros;
Explanation of Autostart
1. Q. Who and when is the Autostart activated?
A. The starter activates the system when both cars are in the pre stage and all is safe to go. He may activate as late as when both cars are in the stage lights.
2. Q. What is the time delay when the system counts down?
A. a. Both stage lights must be solid for this time (.5 for Pros and TAD, TAFC .6 for sportsman.) This count is called Stage minimum and prevents the system from starting with a bump of the stage light during the staging process.
b. After the Stage minimum time then the countdown to the ambers start, this is called Stage to Start and is adjustable also the standard is .3 seconds for Pros and TAD, TAFC. Then the computer adds a variable in to each run of 0 to .2 seconds.
c. So the total count down from stage on to ambers is Stage minimum plus Stage to start plus the variable.
So in STK and SS .5 seconds + .3 seconds 0 to .2 seconds = .8 to 1.0 seconds from both solid stage to ambers.
3. Q. If a competitor lights both pre-stage and stage before the other racer lights the pre-stage, has the system been activated?
A. No, the system must see 3 lights to activate the Time out count. This part is a 7 seconds count that at the end of if the second car is still not in the stage, the system will trigger the tree.