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4
temperature. If the PerformBJSF is OXYGEN SENSOR equipped,
allow twice as much time to stabilize.
UNIT DOES NOT NEED TO HAVE POWER ON IN ORDER TO
STABILIZE!!!!!!!
6. Although the PerformBJSF is reasonably durable, it can be
damaged if dropped or abused. Keep this in consideration when using
and storing the PerformBJSF.
7. For best results only turn PerformBJSF on when taking a reading.
**IMPORTANT**
Units with oxygen sensors only:
When using a unit with an oxygen sensor that is set to Oxygen Altitude
mode, the unit must remain stabile while in use. If movement has
agitated the unit it must remain stable for 15 minutes before taking air
samples. Unit does not need to have power on to stabilize!!!!
******Important******
It often takes a number of trips to the track to acquire the above-
recommended data in order to produce accurate results. Because of this,
we suggest using the following method until enough data has been
acquired.
Gasoline burning engines:
A 200’ rise in DA typically yields a 0.01sec slow down in ET and vice-
versa for a drop in DA.
Alcohol burning engines:
A 400’ rise in DA typically yields a 0.01sec slow down in ET and vice-
versa for a drop in DA.
For TS racers:
Typically the TS ratio is 3:1. This means is takes 0.03sec in the timer to
move the car 0.01sec. Use this information with the above DA change to
set up your timer.