FP EXCELSCALE Operator's Manual page 8

NOTE: If the scale continues to display "0" even after sampling 100 pieces, the unit
weight of the items you wish to count is too light for your scale to process accurately.
5. To exit the piece count mode, press the "UNIT" key.
NOTE: The APW will NOT remain in scale memory when you exit piece counting
mode.
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v1.2 (Updated as of 12/1/15)