Digi Sm-500 Scale User Manual Fix -
Remove all protective packing foam, plastic film on the display, and any shipping locks (some models have a red plastic tab under the pan – pull it out).
Since the SM-500 is used for "Legal for Trade" transactions, the manual includes strict guidelines on leveling and calibration. It explains the "Span Adjustment" process, which ensures that one kilogram on the scale truly equals one kilogram of product. This section is often used by certified weights-and-measures technicians to seal the device against tampering. Conclusion digi sm-500 scale user manual