MacDon M1170NT5 Operator's Manual page 208

NOTE:
If the voltage of any sensor falls below its acceptable range
during calibration, a message appears after completing the
calibration with a list of sensors reporting out-of-range
voltages. Adjust the sensors as needed and repeat the
calibration process from the beginning.
215922
OPERATION
Figure 4.154: Sample of Failed Calibration Display
Message
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Revision A