ThingMagic Mercury xPRESS Platform v1.7 - Manual (Page 44)

Bluetooth Module
A D I V I S I O N O F T R I M B L E
44 Using the Optional Modules
4. The EPC and metadata being typed to the host computer will look like the screen
capture below, with each informational element preceded by a label and equals (=)
sign.
5. Press the User Switch button again to stop reading
Bluetooth Module Command Interface
The following information is relevant if you change the demonstration application’s
initialization process for the Bluetooth module in order to put it in a different mode of
operation.
RN-42 Initialization
To reset the RN-42 Bluetooth module into HID mode,

Assumes a freshly powered-up module (i.e., just power-cycled the entire xPRESS
Reader)

Connect on UART at 115200bps, 8N1

Send "$$$"

Enter command mode. Can’t be in the middle of a data stream -- has to be by
itself within a “1 second window”) DO NOT add any newline characters

Wait for "CMD\r\n"

Send "S~,6\n"

Set module profile to HID mode

Wait for "AOK\r\n"

Send "R,1\n"

Reboot