User's Manual
Enhanced Class 1 Bluetooth v2.1 Module
User’s Guide
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CONN-GUIDE-BT740_v0.2
5.3.25 Inquire
Command:
AT+BTI
Response:
<cr,lf>12346789012
<cr,lf>12345678914
<cr,lf>OK<cr,lf>
Description:
This makes the device perform an inquiry for ‘duration’ milliseconds and ‘max’ number
of unique responses, where S register 517 specifies ‘duration’ and S register 518
specifies ‘max’. Only the Bluetooth address of responding devices is listed.
5.3.26 Inquire And Display Devclass Too
Command:
AT+BTIV
Response:
<cr,lf>12346789012,123456
<cr,lf>12345678914,123456
<cr,lf>OK<cr,lf>
Description:
As per AT+BTI but the response includes the device class code for all inquiry
responses.
5.3.27 Inquire and Get Friendly Names Too
Command:
AT+BTIN
Response:
<cr,lf>12346789012,123456,"Laird BT Module"
<cr,lf>12345678914,123456, “Nokia N70"
<cr,lf>OK<cr,lf>
Description:
As per AT+BTI but the response includes the device class code and friendly name for
all inquiry responses. The friendly name strings are in UTF-8 format as per the
Bluetooth specification.
5.3.28 Inquire with Enhanced Inq Resp
Command:
AT+BTIE
Response:
<cr,lf>12346789012,123456,””,-45,"\0A\08Laird FEF"
<cr,lf>12345678914,123456,“",-75,””
<cr,lf>OK<cr,lf>
Description:
As per AT+BTI but the response includes the device class code, RSSI, and the
enhanced inquiry information. The friendly name is not acquired, as it is a time-
expensive procedure and therefore an empty string sends as a placeholder.
5.3.29 Set Pincode or Passcode
Command:
AT+BTK=<string>
Response:
<cr,lf>OK<cr,lf>
Or
<cr,lf>ERROR nn<cr,lf>
Description:
This command provides a passkey when PIN? 12345678 or PASSKEY? 12345678
indications receive asynchronously.