AT Command Manual
v1.5
©2013 LM Technologies Ltd
www.lm-technologies.com
Page 15 of 26
2.8.18.3
AT+PIN?<cr>
2.8.18.3.1
Response
<cr,lf><PIN><command_response> if the command is successful. Here, <PIN> is the
pin code in use . E.g on default setup, the response will be
<cr,lf>1234<command_response> .Incase, the pin code security is disabled the
response will be <cr,lf>NULL<command_response>
2.8.18.4
AT+PIN+<cr>
This command will enable fixed pin code security for Bluetooth connections with remote
Bluetooth 2.0 device. The remote device must enable pin code security in order to connect
successfully with local Bluetooth device.
In firmware v6.1x series running on LM780/LM400/LM072 modules, fixed pin code use will
have no effect during connection with remote Bluetooth 2.1 complaint device. Refer to
section2.8.17, 2.8.27, 2.8.28, 2.8.29, 2.8.30, 2.8.31 for details.
2.8.18.4.1
Response
<command_response>
2.8.19
AT+DCOV
It is used to specify whether the adaptor can be discovered or connected by remote devices. The
current setting can also be retrieved by sending this command in query format.
2.8.19.1
AT+DCOVc<cr>
Where parameter c is a character used to enable/disable the discoverability status.
C
Status
‘+’
Discoverable
‘-‘
Non-discoverable
Note:
2.8.19.1.1
Response
This command will cause the device to reboot.
<command_response>
2.8.19.2
AT+DCOV?<cr>
2.8.19.2.1
Response
<cr,lf>DCOVc<command_response> if the command is successful. Here, c- current
discoverability status setting. E.g on default setup, the response will be
<cr,lf>DCOV+<command_response>
2.8.20
AT+CONN
This command is used to establish a connection. It is available only when the local Bluetooth device
is in the manual master role.
2.8.20.1
AT+CONN<cr>
Connect the local bluetooth device to specified bonded bluetooth device. It is available only
when "AT+BOND=xxxxxxxxxxxx" is already executed to set remote bonded device.
2.8.20.1.1
Response
<command_response><host_event> where <host_event> will be connection related
event and depends on the connection attempt result.
