In-Situ Aqua TROLL 400 Modbus and SDI-12 Reference Guide - Manual (Page 21)

Name Command Response
Restore Level
Factory Calibration
Send Data
aXLFC!
aD0!
a0011
One result is available in 1 second for reading by
the Send Data command. Restores pressure and
level calibrations to their factory defaults. No
change to other parameter settings.
a+s
s = command status, 1 = command successful, 0 =
command failed.
Zero Pressure
Send Data
aXPZ!
aD0!
a0011
One result is available in 1 second for reading by
the Send Data command. A service request
(a) will be sent when the result is ready.
a+s
s = command status, 1 = command successful, 0 =
command failed.
Set Level Reference
Send Data
aXLRpd.d!
aD0!
a0011
One result is available in 1 second for reading by
the Send Data command. A service request
(a) will be sent when the result is ready.
pd.d = level reference in current units
p = polarity sign (+ or -)
d = digits (1 to 7)
. = decimal point (optional)
a+s
s = command status, 1 = command successful, 0 =
command failed.
Restore pH/ORP Factory
Calibration
Send Data
aXHFC!
aD0!
a0011
One result is available in 1 second for reading by
the Send Data command. Restores pH and ORP
calibrations to their factory defaults.
a+s
s = command status, 1 = command successful, 0 =
command failed.
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