Race Day Start now runs a count-down (Go, 30 s - 5 min, default per
event) with calls every minute, 30 s and 10 s, grid call and 9..3
count for grid starts, hold/resume/+1 min/to 30 s/to 10 s/Go now, and
starts the heat by itself when it runs out. The transponder check runs
during the count-down, replacing the separate warm-up.
Adds a flying start mode (horn + clock is running, own clock per car)
as the qualifying default, and the latest personal clock start rules
from EFRA 9.3 / IFMAR 4.2.3 for flying and staggered starts.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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