In-Situ Aqua TROLL 400 Modbus and SDI-12 Reference Guide - Manual (Page 18)

Name Command Response
Set Temperature Units
aXTUnnn!
aOK<CR><LF> or
aERROR<CR><LF>
nnn = the temperature units ID
Three digits are required.
Read Temperature Units
aXTU! annn<CR><LF>
nnn = temperature units ID
Restore DO Factory
Calibration
Send Data
aXoFC!
aD0!
a0011<CR><LF>
One result is available in 1 second for reading by
the Send Data command. Restores DO sensor
slope and offset calibration values to their factory
defaults. No change to other parameter settings.
a+s<CR><LF>
s = command status, 1 = command successful, 0 =
command failed.
Set DO Slope
aXoSpd.d!
aOK<CR><LF> or
aERROR<CR><LF>
pd.d = slope
p = polarity sign (+ or -)
d = digits (1 to 7)
. = decimal point (optional)
Read DO Slope
aXoS! apd.d<CR><LF>
pd.d = slope
Set DO Offset
aXoOpd.d!
aOK<CR><LF> or
aERROR<CR><LF>
pd.d = offset
p = polarity sign (+ or -)
d = digits (1 to 7)
. = decimal point (optional)
Read DO Offset
aXoO! apd.d<CR><LF>
pd.d = offset
Set Conductivity Units
aXCUnnn!
aOK<CR><LF> or
aERROR<CR><LF>
nnn = the actual and specific conductivity units ID
Three digits are required.
Read Conductivity Units
aXCU! annn<CR><LF>
nnn = actual and specific conductivity units ID
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