KERN & SOHN MWS 400K100DM - Manual (Page 55)

13.2 Adjustment key and seals
When verification of a scale is finished, the positions indicated on the scale are
sealed.
Verification of a scale without a seal is invalid.
Position of seals:
1. Backside 2. Battery compartment
MPS / MTS / MXS / MWS-BA-e-1417 55