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Understanding the Timers
Both the Timers in the Mega 475 are 4-Stage Timers.
The 4-Stage Timers are used to control down-track events,
using a pre-programmed time. Some examples of what a 4-
Stage Timer may control are Throttle Stops, Nitrous
solenoids, a Lockup Converter, Electrically controlled
shocks, and Lean-out Valves.
Note: Timer 1 is always available, but Timer 2 is only
available when the S.F.O. mode is set to 2.
Since both of the Timer screens function the same,
the information below and on the next page can be used for
Timer 1 Settings or Timer 2 Setting.
Timing of a 4-Stage Timer starts at the release of the
Transbrake solenoid. When the Transbrake releases, the
times for both Stages 1 and 3 start counting down. At the
completion of Stage 1, the time for Stage 2 starts counting
down and at the completion of Stage 3, the time for Stage 4
starts counting down. Additionally, the Stage 3 time must be
greater than the Stages 1 and 2 times added together. If the
Stage 3 time is less than the total of Stages 1 and 2 added
together, or if Stages 3 and 4 are set to zero, Stages 3 and 4
will be turned off.
Another way of looking at the Stage timing is, Stage
1 is how far out the vehicle goes before the Stage 2 time
starts. The Stage 2 time would be how long a device is
active (its duration). Stages 3 and 4 can be used to repeat
what Stages 1 and 2 did further down the track. Using only
Stages 1 and 2 an example is, if a Throttle Stop is being
used, Stage 1 would be how far out the vehicle went in time
before the Throttle Stop closed. Stage 2 would be how long
the Throttle Stop stayed closed. Another example using only
Stages 1 and 2 is, if Nitrous is being used, Stage 1 would be
how far out the vehicle went in time before the Nitrous
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