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Step-by-step guide to powering on, zeroing the scale, and powering it off.
Solutions for display off, fluctuating readings, and error codes like 'Error' or 'Lo bAt'.
Procedure to enter service mode via hidden switch, showing initial 'CAL' display.
Adjusting local gravity to four decimal places for accurate calibration.
Sequence of loading weights, confirming steps, and handling calibration failure.
Adjusting the local gravity value to four decimal places for correct operation.