SENA Parani-SD200L - Manual (Page 30)

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B.3. Command Description
B.3.1. ATZ

SD Response OK
Purpose Software Reset
Description This has the same effects as Powercycling the unit.
This command disconnects any connected Bluetooth device, and stops ongoing tasks.
After rebooting, the status will be decided by the preset operation mode.
Some AT commands require the ATZ command be run so that the commands can take
effect.
Reference AT&F, AT+BTCSD, AT+UARTCONFIG
B.3.2. AT&F

SD Response OK
Purpose Hardware reset
Description This has the same effect as initialization by pressing the factory reset button.
All parameters are initialized to factory defaults.
Reference ATZ
B.3.3. AT

SD Response OK
Purpose Check the connection status with host equipment
Description Check if the connection to host equipment is operating normally. The serial parameters of
Parani-SD200L must be same as those of host equipment. If not, the SD will not respond
or ‘ERROR’message will appear or an abnormal sequence of strings will appear.
Reference AT+UARTCONFIG, ATZ, AT&F
B.3.4. AT+UARTCONFIG,Baudrate,Parity,Stopbit

SD Response OK
Purpose Set Serial parameters
Parameters Baudrate=1200/2400/9600/14400/19200/38400/57600/115200/230400 (Default=9600)
Parity=N/E/O (Default=N)
Stopbit=1/2 (Default=1)
Description The Serial parameters can be set or changed only if SW config mode is selected in dip
switch. The factory default is 9600, N, 1.
To take effect the ATZ command must be used or Powercycle the unit.
Reference AT, ATZ, AT&F, ATS
Example AT+UARTCONFIG,9600,N,1