Schwinn MPower™ Echelon Zero Point Calibration

Schwinn® MPower™ Echelon Zero Point Calibration
Calibration Procedure
1. Turn on console. If RIDER CALIBRATION is still set to ON, follow the prompts on the
screen to run RIDER CALIBRATION (NOTE: The calibration procedure detailed below
will require that RIDER CALIBRATION be turned OFF and remain OFF). Enter the
service menu by holding down the STAGE and END buttons together for about 4-6
seconds.
2. Once in the service menu, use the END button to scroll to the CALBRATE menu. Press
and release the LIGHT button to enter the menu.
3. Using the END button, scroll down to RIDER CALIBRATION menu. Press and release
the LIGHT button to enter the menu.
4. Use the END button to scroll to OFF, then press the LIGHT button to set RIDER
CALIBRATION to OFF (leave it turned to OFF).
5. Using the END button scroll back to the UP CALIBRATION menu.
6. Turn resistance knob fully to the left (counter clockwise) until the brake carriage is in the
full up position.
7. Place calibration tool onto flywheel as shown in the pictures below. Rotate flywheel so
that the calibration tool slides between the two front magnets on the magnet carriage.
The correct zero position is where the magnets rest against the calibration tool.
8. Turn the resistance knob to the right until the magnets stop against the calibration tool.
Do not overtighten or force the brake knob. Stop once the knob stops turning with light
pressure.
9. Press the LIGHT button to perform an UP CALIBRATION.
10. Once the calibration passes, go to CURRENT ANGLE and verify the angle is 0.
Occasionally, the calibration does not correctly set the angle to 0. If the angle reads
anything other than 0.0, perform the calibration again until the CURRENT ANGLE reads
0.0.
11. At this point calibration is done. Exit the service menu.
12. If a particular bike is moved for cleaning or to another location, or starts giving
abnormally high or abnormally low readings, check and verify that the CURRENT
ANGLE is 0.0. Do this by following Steps 6, 7, 8, and 10 above. If the CURRENT
ANGLE is not 0.0, repeat the calibration procedure in Steps 6 through 10 until the
current angle reads 0.0.
IMPORTANT NOTE: After setting the zero point, DO NOT turn RIDER
CALIIBRATION back ON. DO NOT perform the UP CALIBRATION unless the
CURRENT ANGLE reads other than 0.0. Never perform a calibration with the
brake carriage in the full UP position—the position reached when turning the
resistance knob all the way to the left to reach zero resistance. Performing a
calibration with the resistance knob at full zero resistance will incorrectly
calibrate the power sensor.
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How to Use Angle Offset to Adjust Watts Values
The ANGLE OFFSET in the Service Menu CALIBRATE submenu is designed to allow the user
to adjust the watts values of a bike up or down between the range of -99% to +99%. The new
calibration process detailed above makes the bikes far more accurate relative to a calibrated
laboratory standard; however, the watts output in most cases is usually noticeably lower than
the watts values achieved when performing the traditional RIDER CALIBRATION. Many riders
will perceive that the watts output—even after properly calibrating the sensor—will be “too low”
despite being more accurate.
ANGLE OFFSET allows the watts output to be adjusted up or down until a desired level is
reached. It is also intended to be used in the event that users feel the watts values are lower or
higher than desired, or to be used when a particular bike or bikes vary from other bikes even
after performing the calibration. Given normal manufacturing tolerances, there may be rare
cases where some bikes still vary noticeably from other bikes. Before adjusting the watts output
of any bike, first perform the calibration steps above. Then use the ANGLE OFFSET to adjust a
bike’s watts output. A positive (+) angle offset will increase the watts output for a given level of
resistance (making the bike feel “easier”). A negative (-) angle offset will decrease the watts
output for a given level of resistance (making the bike feel “harder”).
To set the angle OFFSET:
1. Enter the service menu.
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2. Enter the CALIBRATE menu.
3. Scroll to the ANGLE OFFSET menu and press the LIGHT button to enter the menu.
4. Use the END button to increase the watts output (+ offset), or use the STAGE button to
decrease the watts output (- offset). Once the desired offset is reached, press the
LIGHT button to save the value.
5. Exit the menu and go back to ride mode.
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