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9
Chapter 3 – settInGs & fIrst start
3.3.4 Bike weight
Next you can adjust the weight of your bike in kilograms. This value is used for power calculation (see 3.3.7.)
Set with the middle and right button, store with left button.
3.3.5 Unit
Now you can set the unit used in the computer, km for kilometers or mi for miles.
Set with the middle and right button, store with left button.
3.3.6 Cadence
If you want to use the cadence, activate the cadence function.
Please note that you need a cadence sensor for this function.
Set with the middle and right button, store with left button.
3.3.7 Power measurement
The CM 9.3 A can display power in 2 ways. Actual measured power of an ANT+ power sensor or theoretically
calculated power.
Calculated power
In case the power function is activated and no ANT+ power sensor is initialized, the computer calculates the
power from the following values:
- Speed
- bike and rider weight
- Rate of climb / rate of fall per hour
Please note that this calculation only shows approximate values.
Whenever the calculated power is shown in the lower display, the value is shown with a
P
for power.
Measured power
To display measured power you need an ANT+ compatible power sensor and initialize it (see 3.7.1)
If an ANT+ power sensor is connected and initialized, the CM 9.3A (+) will display the power values received
from this sensor.
Whenever the measured power is shown in the lower display, the value is shown with a
W
for Watts.
3.3.8 Power measurement interval
For better readability, the displayed, measured power can be averaged over different intervals. Please refer to
the following table for the available
Pow Avg
values.
Set with the middle and right button, store with left button.
Seconds
Smoothing
1
Each measured value is displayed
3
Average of the last 3 seconds
10
Average of the last 10 seconds
30
Average of the last 30 seconds
3.3.9 Power measurement left & right
If you use a power measuring system which can measure the power of the left and right leg separately,
switch
LR Pwr
to ON. Otherwise leave it off. If provided by the power sensor, the left and right power can be
displayed in percent of the total power.
Set with the middle and right button, store with left button.
