Promi-SD User Manual – Appendix A. AT Commands
A-6
Copyright © 2006 Sena Technologies, Inc. All rights reserved.
OK
Purpose
Display device firmware version
Description
Display device firmware version
Reference
AT+BTINFO?
10 AT+BTRSSI,n
SD Response
OK
0,255,0,0 (repeat)
Purpose
Set operation mode
Parameters
n
=0: Start sensitivity test
n
=1: Stop sensitivity test
Description
When Bluetooth connection is established, you can use this command in Stanby status.
The sensitivity will be displayed repeatedly in order of Status, LinkQuality, Status, RSSI. If
the LinkQuality is close to 255 and RSSI is close to 0, the sensitivity is not bad.
Example
+++
AT+BTRSSI,1
OK
0,255,0,0
11 AT+BTMODE,
n
SD Response
OK
Purpose
Set operation mode
Parameters
n
=0: MODE0 (Default)
n
=1: MODE1
n
=2: MODE2
n
=3: MODE3
Description
When the operation status is Pending currently, change the status to Standby with
AT+BTCANCEL prior to this command.
To take effect of this command, ATZ or power off and on.
Reference
AT+BTINFO?
Example
AT+BTMODE,2
OK
ATZ
12 +++
SD Response
OK
Purpose
Convert the operation status of Connect to Standby
Description
In Connect status, data from host is transmitted to the other side Bluetooth device,
and any AT command is not accepted but this command, which is not echoed on the
screen.
When Promi-SD encounters a cha from host, it stops the data transmission and
waits for next 2 characters. If the next 2 characters aren t both + , it restart to transmit
data including the first + as well. If not, it converts the operation status to Standby .
If the data from host in++ , it will convert the operation status to Standby
unexpectedly. Notice that Promi-SD holds data transmission when it enco , until
receiving next character.