SENA Parani-ESD1000 - Manual (Page 47)

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B.3.22. ATH
 (ATHx, ATHbdaddr)
Response  OK
 DISCONNECT
Purpose Release the current connection
Description The current Bluetooth connection will be disconnected. It takes about Supervision
Timeout(S37) to detect an abnormal disconnection such as power off and moving out of
service range. In multiple connection modes, a specific connection can be specified to be
disconnected by specifying the connection number or the Bluetooth address.
The response message of ‘DISCONNECT’ may be displayed on disconnection depending
on the disconnection condition. You can make it not displayed using S10 register.
Example ATH
ATH3
ATH000195000001
B.3.23. AT+BTKEY=$string

Response  OK
Purpose Change pin code
Parameters $string= New pin code (Default=”1234”)
Description Pin code is a string, which allows up to 16 alpha-numeric characters. Based on this pin
code, Parani-ESD generates a link key which is used in actual authentication process
Example AT+BTKEY=”apple”
B.3.24. AT+BTSD?

Response  112233445566
 OK
Purpose Display a list of Bluetooth devices sharing the same pin code
Description Once a connection is made with a pin code, Parani-ESD saves the Bluetooth device with
its link key, generated by the pin code. The connection to a device listed in Parani-ESD can
be made automatically without the authentication process. The maximum number kept on
the list is 7.
B.3.25. AT+BTCSD

Response  OK
Purpose Clear the list of Bluetooth devices sharing the same pin code
Description This clears the list of Bluetooth devices linked with the same key in flash memory. To take
effect the ATZ command must be used or Powercycle the unit.