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GEN. 3
Locate the power meter on the left side crank arm.
Remove battery cover screws using a Phillips
#0 screwdriver.
Slide out the old batteries by rotating the crank
arm downward.
Insert (2) AA batteries according to the orientation
shown on the power meter.
Replace the battery cover and screws and tighten
lightly until secure. Do not overtighten as this may
damage the battery case.