Vaisala WXT520 - Manual (Page 125)

Chapter 8 ____________________________________________ Sensor and Data Message Settings
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Supervisor Message
Checking the Settings (aSU)
With this command you can check the current supervisor settings.
Command format in ASCII and NMEA 0183: aSU
Command format in SDI-12: aXSU!
The response in ASCII and NMEA 0183:
aSU,R=[R],I=[I],S=[S],H=[Y]
The response in SDI-12:
aXSU,R=[R],I=[I],S=[S],H=[Y]
where
a
= Device address
SU = Supervisor settings command in ASCII and NMEA
0183
XSU = Supervisor settings command in SDI-12
= Command terminator in ASCII and NMEA 0183
! = Command terminator in SDI-12