User's Manual

38
 OK
 ERROR
Purpose
Connect to the last connected Bluetooth device
Description
Parani-ESD saves the BD address of the Bluetooth device most recently connected. ATD
can make connection to it without input its BD address.
If it fails to make connection, SD response is ‘ERROR’.
Reference
AT+BTINQ?, AT+BTSCAN
B.3.20. ATD112233445566
SD Response
 OK
 CONNECT 112233445566
or
 OK
 ERROR
Purpose
Connect to the Bluetooth device with given BD address
Parameters
112233445566=BD address
Description
Parani-ESD attempts to connect to the Bluetooth device with the given BD address. To
make successful connection, the Bluetooth device must be in Page scan. This attempt
continues for 5 minutes.
If it fails to make connection, SD response is ‘ERROR’.
Reference
AT+BTINQ?, AT+BTSCAN
Example
ATD000B530011FF
B.3.21. ATH
SD Response
 OK
 DISCONNECT
Purpose
Release the current connection
Description
The current Bluetooth connection is released normally. It takes about 30 seconds to detect
an abnormal disconnection such as power off and moving out of service range.
Reference
ATD, AT+BTSCAN
B.3.22. AT+BTKEY=$string
SD Response
 OK
Purpose
Change pin code
Parameters
$string= New pin code (Default=”1234”)
Description
Pin code is a string, which allows 16 alpha-numeric characters maximum. Based on this pin
code, Parani-ESD generates a link key which is used in actual authentication process
Reference
AT+BTCSD, AT+BTFP, AT+BTSD?, AT+BTSEC, ATZ, AT&F
Example
AT+BTKEY=”apple”