User`s guide
Page 8 of 21
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9700.0031 © Zephyr Technology 2010 2010-07-22
5. HxM Communications Link
Once a Bluetooth connection has been established with the HxM, the data packets can be received by the
connecting device. The following sequence diagram shows an example session:
Figure 7 : Example link session
The diagram shows that after the mobile device has connected to the HRM it receives a data packet from the
HxM at 1 second intervals.
The Heart Rate, Speed & Distance message cannot be disabled. The device will not respond to or acknowledge.
Bluetooth Link
HxM
Heart Rate, Speed & Distance Packet
1 Second
Mobile Device
or PC