VDO Cyclecomputing M5 Notice D'utilisation Abrégée page 44

Selecting the sensors
(Activating the heart rate/cadence function)
SET
TPC BIKE
44
– Open the menu:
Press and hold the SET button
– Scroll from Total values to Settings:
Press the BIKE or TPC button
– Open the settings menu:
Press the SET button
– Scroll to Sensor in the menu:
Press the BIKE or TPC button
– Start the setting:
Press the SET button
– Change the setting:
Press the BIKE or TPC button
– Confirm the selection:
Press the SET button
– Exit the settings menu:
Press and hold the SET button