EN-8 BW SERIES COMPACT BENCH SCALE6. CALIBRATION AND SEALING6.1 CalibrationFor best results, calbrate the scale at regular ntervals. Temperature changes,geographc gravty varatons, alttude changes and abuse are few reasons why ascale may need recalbraton.Note: The followng procedure requres the use of hand tools and calbratonweghts. If unable to perform the calbraton, contact an authorzed Ohaus servceorganzaton.1. Remove the battery cover to access the two calbraton pns located na slot at the bottom of the scale, then short the calbraton pns (a smallslotted screwdrver may be used).Note: When accessng the bottom of the scale, avod placng the scaleupsde down on the pan or sub-platform. Place the scale on ts sde.2. “SEtUP” then the frst parameter “CtY” s dsplayed.3. Press ON/OFF-Yes successvely to move through the succeedngparameters: “dEF NO” “S1”, “S2”, “S3”, “S4”, “S5”, “S6”, “dSP”, “S8”, “S9”,“S10”, “S11”, “S12”, “bAt”, “GEO”.Note: Do not change the settngs of these parameters. These are servcesetup parameters ntended for authorzed servcng use only.4. After “GEO”, “CAL NO” s dsplayed. Press TARE-No to swtch the settngto “CAL YES”.5. “CAL YES” s dsplayed. Press ON/OFF-Yes to enter calbraton sequence.Calbraton Pns