
50
If the RPM sensor is mounted to your engine's flywheel or your motor's pinion gear to read the RPM directly, the Ratio value
should be set to 1.000.
Calibrating the RPM Sensor - Changing the Ratio Value, Continued....
The Ratio value is the gear ratio between the two gears that the RPM sensor is mounted to. For example, if the RPM sensor is
mounted to your spur gear, the Ratio value will be the gear ratio of your spur gear and pinion gear.
RATIO setting range is 1.000 to 64.999. The default setting is 1.000.
3) Press the ENTER key, then scroll DOWN to highlight the second Ratio
value. Press the ENTER key, then scroll UP or DOWN to choose the desired
second Ratio value. If using the example above, choose 28.
4) If necessary, press the ENTER key, then scroll DOWN to highlight the third
ratio value. Press the ENTER key, then scroll UP or DOWN to choose the
desired third Ratio value.
IMPORTANT: To calculate the gear ratio, divide the number of teeth in the spur gear by the number of teeth in the pinion gear.
For example, if your spur gear is 60T and your pinion gear is 14T, the gear ratio is 60 / 14 = 4.28.
2) Press the ENTER key, then scroll UP or DOWN to choose the desired first Ratio
value. If using the example above, choose 4.
Calibrating the RPM Sensor - Changing the 10Count Distance Value:
The 10Count Distance value can be changed if you've Selected UNIT > MPH or UNIT > KM/H. By changing the 10Count Distance
value you are able to calibrate the RPM sensor to read your specific Model's actual speed, in either MPH or KM/H.
Prior to calibrating the RPM sensor, you must connect the RPM sensor to your receiver and correctly install the RPM sensor
into your Model. For more information, see the
Telemetry Connections and Mounting
section on pages 96 ~ 97.
3) From within the RPM menu and with UNIT > MPH or UNIT > KM/H Selected,
scroll UP or DOWN to highlight 10COUNT DIST > 12.0 or 10COUNT DIST > 30,
depending on the UNIT > value Selected previously.
1) With your transmitter and receiver turned ON, and with an Active Telemetry connection, place your Model on the ground.
2) Measuring in inches (or centimeters if using KM/H) from where you set your Model on the ground, slowly push your Model
and measure the distance covered to complete 10 full revolutions of the RPM sensor (the Bind LED on your receiver will flash
10 times, indicating 10 full revolutions).
4) Press the ENTER key, then scroll UP or DOWN to change the 10Count Distance
value to match the measurement obtained in step 2 above. For example, if
your Model traveled 2 feet (61cm) to complete 10 full revolutions, enter 24.0
(for MPH) or 61 (for KM/H).
10COUNT DIST setting range is 0.5 to 118.0 for MPH and 1 to 300 for KM/H. The
default setting is 12.0 for MPH and 30 for KH/H.
IMPORTANT: Changing the 10Count Distance value will change the Maximum Scale value. After calibration, you should reset
the Maximum Scale value back to the value you chose previously.
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