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In addition to bridge wiring, a switch closure is provided for an
external shunt calibration resistor. This feature will normally be
used to implement shunt calibration of the transducer according
to the transducer manufacturer’s recommendation.
The transducer manufacturer will generally specify exactly how
a specific value of shunt calibration resistor is to be connected.
In some cases, the manufacturer may also supply leadwires, in-
tegral to the transducer assembly, which are used for this pur-
pose. In any case, the transducer manufacturer’s recommenda-
tions should be followed.
4.4 Operational Modes
The Model P3 has two operational modes: the run mode and the
command mode.
4.4.1 Run Mode Operation
In the run mode, the display is divided into four quadrants (one
for each channel), along with a status line on the bottom of the
display.
Ch1 µε Ch2 µε
+01000 +00216
Ch3 µε Ch4 µε
+00524 +00914
REC OFF CAL OFF
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