User guide

RN Commands Version 4.25, 11/1/2007 Page 11 of 25
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Example : “GS” will return 1 or 0 depending on the value of security.
In addition to the above, there are a few other useful commands available.
GB - returns the Bluetooth Address of the device.
GK - returns the current connection status: 1=connected, 0 = not connected.
G& - return a hex byte containing the value of the PIO Pins
V - return the software release version
CHANGE COMMANDS
U,<rate>,<E,O,N> - Temporary Uart Change, will change the serial parameters immediately, but not
store them. Command will return “AOK” at current settings, then automatically exit
command mode, and switch to new baudrate
Example : “U,9600,E” Sets baudrate to 9600, parity even.
ACTION COMMANDS
$$$ - enter command mode Characters are PASSED until this exact sequence is seen. If any bytes
are seen before these chars, or after these chars, in a 1 second window, command mode will not
be entered and these bytes will be passed on to other side.
NOTE: this char is configurable, use the S$,<char> command to change the char.
--- - exit command mode. Exit command mode. “END” will be displayed. If connected
over BT, data will now pass in both directions.
C{,<address>}- connect The device will attempt to connect to the remote stored BT address, or an optional
address can be entered directly.
CT<address>,<timer ( 1/4secs) > - connect with TIMER. The device will NOT use or store the remote address,
rather will make a connection to the <address> (REQUIRED). The device will automatically
disconnect after 7 seconds if no data is seen from UART or BT. An optional timer value can be
entered to change the default 7 seconds. This value is in ¼ seconds. So for a 30 second timer,
use 120 as the value. The maximum value is 255, or 64 seconds.
F,1 Go to FAST data mode, ends configuration immediately.
I<,time>,<cod> performs an inquiry scan. Default time is 10 seconds, maximum is 48. Cod
is optional class of device, 0 or no entry looks for all device classes. A maximum of 9 devices
will be returned. As devices are found, they are displayed in the format below:
<bt address> , <bt name> ,<cod>
00A053000123,MySerialPort,72010C
IN<time>,<cod> performs an inquiry scan, does not return the Bluetooth NAME ( returns much
faster, since name requires a remote lookup for each device found).