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AT Command Manual v1.5

2.8.13.2 AT+ROLE?<cr>

2.8.13.2.1 Response

<cr,lf>ROLEc< command_response> if the command is successful. Here, c- current

device type setting. E.g on default setup, the response will be <cr,lf>ROLES<

command_response>

2.8.14 AT+ADDR

This command is used to display the Bluetooth address of the local device.

2.8.14.1 AT+ADDR?<cr>

2.8.14.1.1 Response

<cr,lf><XXXX-XX-XXXX>< command_response> if the command is successful. Here,

XXXX-XX-XXXX is the Bluetooth address of local device.

2.8.15 AT+FIND

This command is used to search for any Bluetooth device in the neighborhood within one minute. If

any device is found, its name and address will be listed. Maximum limit of devices searched is 8. The

search ends with a message “Inquiry ends. xx device(s) found.” This command is available only when

the adaptor is in the manual master role.

2.8.15.1 AT+FIND?<cr>

2.8.15.1.1 Response

<command_response><cr,lf>Inquiry Results:<cr,lf>

<Sr No><DeviceName><XXXX-XX-XXXX><cr,lf> for every device found. Here, XXXX-

XX-XXXX is the Bluetooth address of local device. e.g. “1 Serial Adapter

001E-3A-2CDAB7”

2.8.15.2 AT+FIND-<cr>

This command will cancel the ongoing search operation. If the search is finished (1 minute

timeout / max devices found), then the command will return error.

2.8.15.2.1 Response

<cr,lf> Inquiry cancelled<command_response>

2.8.16 AT+RSSI

Inquire RSSI value for current bluetooth connection. This command is available in online command

mode when the device is in connected state.

2.8.16.1 AT+RSSI<cr>

2.8.16.1.1 Response

<cr,lf><RSSI><command_response>

<RSSI> - can be STRONG/AVERAGE/WEAK depending on the received radio signal

strength.

LM Technologies LM400 At Command Manual

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