User's Manual

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A.3. Command Description
A.3.1. ATZ
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.
A.3.2. AT&F
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.
A.3.3. AT
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-SD must be same as those of host equipment. If not, the Parani-SD will not respond
or ‘ERROR’ message will appear or an abnormal sequence of strings will appear.
A.3.4. AT+UARTCONFIG,Baudrate,Parity,Stopbit
Response
OK
Purpose
Set Serial parameters
Parameters
Baudrate = 1200/2400/9600/14400/19200/38400/57600/115200/230400/460800/ 921600
(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.
Example
AT+UARTCONFIG,115200,N,1
A.3.5. AT+USEDIP?
Response
m
Purpose
Check the Baud rate set by the dip switch
Description
m=0: Dip switches are set to ‘S/W Config’
m=1: Please view the dipswitches to view your baud rate.