BSWA 308 - Page 99

BSWA 308/309 BSWA Technology Co., Ltd
97
Byte
1
1
1
None
Return
ACK / NAK
Example: apply the factory settings
02 01 43 52 45 53 03 07 0D 0A
Return: ACK. Wait at least 6 seconds after receipt of ACK
02 01 06 03 06 0D 0A
STAp1: Start / Stop Measurement
Instruction
Parameters
Explanation
STA
p1: Start / Stop measurement;
0=Stop;
1=Start;
2=Pause;
3=Resume
ASCII
S
T
A
1
Hex
53H
54H
41H
31H
Byte
1
1
1
1
Return
ACK / NAK
Example: start measurement
02 01 43 53 54 41 31 03 34 0D 0A
Return: ACK
02 01 06 03 06 0D 0A
STA?: Query Measurement State
Instruction
Parameters
Explanation
STA
Query parameter: ?
ASCII
S
T
A
?
Hex
53H
54H
41H
3FH
Byte
1
1
1
1
Return
Return measurement state
Example: query the measurement state
02 01 43 53 54 41 3F 03 3A 0D 0A
Returns: the measurement state is start (running state)
02 01 41 31 03 70 0D 0A
★Note: The following instructions are to query the sound level meter measurements data.
They contain the "return manner” parameter, it means:
Stop return: The sound level meter no longer to return measurements data every