Joule 2.0 User Guide page 48
1. Press and release the [MODE] button until
Main
mode is displayed.
2. Press [JOYSTICK] in and release to select
Sensors
.
3. Press [JOYSTICK] in and release to select
Power Sensor.
4. Press [JOYSTICK] up/down to highlight the Active Sensor. Press [JOYSTICK] in
and release to select the Active Sensor. Note active sensor is designated by a
check
mark next to the sensor name in the sensor list.
5. Make sure the power sensor is awake. For PowerTap and IC Power sensors
rotate the hub/wheel at least one revolution. For ANT+ sensors see that sensor’s
user guide for information on waking up the sensor.
6. Press [JOYSTICK] up/down to highlight
Manual Zero
. Press [JOYSTICK] in and
release to select
Manual Zero
.
7. The raw torque value, offset and fi rmware version will be shown. If the raw
value and offset value does not match a manual zero should be performed.
8. Press [JOYSTICK] up/down to highlight
Manual Zero.
Press [JOYSTICK] in and
release to perform
Manual Zero
.
Power Sensor Manual Zero
Like a kitchen scale, it is possible for power sensors to incur an offset that needs to be zeroed. This
can happen due to large temperature changes which effect the material the power sensors are
attached to and often results in power being displayed even while coasting.
Chapter 6: Sensors
Manual Zero
>
XX
>
Torque RAW
>
SEARCHING
>
Torque O set
>
Manual Calibration
>
Torque O set
>
Pair
>
>
Back
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Report
Calibration
>
SEARCHING
>
>
SEARCHING
>
Firmware Version
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