VDO Cyclecomputing M6 Notice D'utilisation page 54

Activating the heart rate/cadence option
ATTENTION:
heart rate transmitter item no. CP3013 and/or cadence
transmitter item no. CP3012 are required for activation.
SET
TPC
ALTI
54
– Press and hold the SET button
– Scroll from Memory to Settings:
By pressing the BIKE or TPC button
– Open by pressing the SET button
– Scroll to SENSOR by pressing the
BIKE or TPC button
– Open the sensor selection by
pressing the SET button
– Select the sensor by pressing the
BIKE BIKE or TPC button
– Confirm by pressing the SET button
– Close the settings menu/back to the
function menu: press and hold the
SET button