Operation Manual

Heart rate sensor (HR-12)

If using a CATEYE sensor, the values related to the sensor's battery replacement period

start ﬂashing to indicate that it is time to replace the battery.

Important

If smart computer's heart rate display starts ﬂashing, it is time to replace the battery.

Install a new lithium battery (CR2032) so that the (+) side is visible and close the battery

cover securely.

* After replacing the battery, always press RESET.

* After replacing the battery, always press RESET and check the position of the sensor

relative to the magnet.