Trek Bicycle Computer - Manual (Page 10)

8
Placing the magnet and sensors
The wheel magnet must be aligned so that
it passes across the sensor. As the magnet
passes the sensor, it must be no further from
the sensor than 1 to 3mm (1/32 to 1/8 inch).
The wheel magnet has a ‘T’ shaped slot with
two configurations: round spokes and flat or
bladed spokes (Figure 7).
The cadence sensor, with the wire, mounts
near the crankset. It must be aligned so that
the magnet passes within 1-3mm, and in line
with the small line on the sensor (Figure 8).
installaton
Fgure 8- Magnet placed on
crankarm, algned wth sensor on
chanstay
Fgure - installng magnet on
round or oval spokes
To install the wheel magnet
1. Remove the screw from the magnet.
2. Slide the slot in the back of the magnet
over the spoke.
For a flat or bladed spoke, start the spoke near
the end where the spoke is round, and align the
top of the ‘T’ with the spoke as you slide the
magnet up the blade (Figure 7).
3. Thread the screw into the magnet until it
is snug against the spoke.
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