Changes

*a. Enable Bluetooth on the mobile device and set the device to discoverable mode (as slave device).*b. Make a measurement on selected A&D Bluetooth device such as weight scale. Upon the completion of measurement, the device (as master device) searches slave devices and initials Bluetooth communication.*c. The mobile device receives the signal of the A&D Bluetooth device and prompts user to enter a PIN/passkey.*d. Once the PIN is matched, the A&D Bluetooth device sends the measurement data to the mobile device using the specified format such as weight scale packet followed by the Confirmation Packet Response.*e. Upon the success of connection, the two devices are paired. Then PIN code is no longer needed afterward.