User's Manual Part 1

2-8 Monitor Operation and Sensor Activation
4 During the activation prompts (below), do not remove the sensor from
the Activation Port.
Placement for activation
5 If other sensors are activated, you may receive the following message.
Waiting for transmission gap
6 You will be informed when the sensor has been successfully activated.
Remove the sensor from the activation port.
Activation
Complete
Successful activation
As shown above, you are asked if you want an optional sensor
identification, or label. If you choose OK, it replaces the identity number
of the sensor with placement information. Labeling the sensors must be
done at this time. You cannot return to the sensor labeling routine.