About Delay Time (Optional, for Racing)
Some sanctioning bodies do not allow racers to use infrared beacon transmitters and receivers. If this is true for you, set your
delay time to .1.
The delay time allows your instrument to ignore extra beacon signals at the track. Delay time is the time, in tenths of a second, that
your instrument ignores beacon signals after receiving a signal. The delay time must be less than your best possible time between
beacons, or the instrument will miss your beacon signal. Delay time is set in of Set Up mode.
For example, if it takes you approximately 9 seconds to complete a run, set your delay number for 8 seconds. After your instrument
receives its first beacon signal, it will ignore all signals for 8 seconds.
*Note: If you are not a racer, set your delay time to .1.
Tach Calibration Number (RPM1)
The Tach limit requires two separate parameters. The first is the maximum revolutions per minute (RPM) for safe engine operation.
The second number, the Tach calibration, allows the instrument to display the correct RPM for your engine. The instrument divides
the Tach input signal by the Tach calibration number. This number can be .5 to 31.
The most frequently used numbers are:
1 - for single cylinder 2 cycle and most 4 cycle motors
2 - for 2 cylinder 2 cycle and 4 cylinder 4 cycle motors
If you are unsure of the exact Tach calibration number for your engine, experiment. If your calibration number is currently set at 1 and
the RPM displayed is double what it should be, set the calibration number to 2.
Jackshaft Calibration Number (RPM2)
For the Jackshaft calibration number, enter the number of pulses per revolution that will be picked up by the sensor. A pulse is
received when the sensor passes a ferrous metal object. If sensing more than one object, they must be evenly spaced. If using our
collar, the number is four.
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