AT Command Manual
v1.5
©2013 LM Technologies Ltd
www.lm-technologies.com
Page 9 of 26
2.8.7.2
AT+PAR?<cr>
2.8.7.2.1
Response
<cr,lf>PARn<command_response> if the command is successful. Here, n- parity type.
E.g on default setup, the response will be <cr,lf>PAR0<command_response>
2.8.8
AT+FLOW
The command is used to enable/disable the RTS/CTS flow control for the serial port. The current
setting can also be retrieved by sending this command in query format.
2.8.8.1
AT+FLOWc<cr>
Where parameter c is a character used to enable/disable the flow control.
c
Flow Control
‘+’
Enable
‘-‘
Disable
Note:
2.8.8.1.1
Response
This command will cause the device to reboot.
<command_response>
2.8.8.2
AT+FLOW?<cr>
2.8.8.2.1
Response
<cr,lf>FLOWc<command_response> if the command is successful. Here, c- current
flow control setting. E.g on default setup, the response will be
<cr,lf>FLOW+<command_response>
Note:
1.
In LM048SPA adapter with firmware series v4.6x, AT+FLOW refers to DTR/DSR flow control
and no RTS/CTS handling is supported. For all other products, AT+FLOW refers to RTS/CTS
flow control.
2.
In LM048v2 and LM058v2 adapters running v6.5x firmware, this setting can be used in
conjunction with AT+MODEM command to choose different configurations of RS232 lines.
See
Modem Signal Meaning
.
2.8.9
AT+ECHO
The command is used to enable/disable the echo back of command characters from the Bluetooth
device. The current setting can also be retrieved by sending this command in query format.
2.8.9.1
AT+ECHOc<cr>
Where parameter c is a character used to enable/disable the echo back feature.
c
Echo back
‘+’
Enable
‘-‘
Disable
2.8.9.1.1
Response
<command_response>
