EN-2 SKX BALANCES2.3 Installing the Weighing PanBalances with a rectangular pan are placed into the sub-pan as shown and rotated counter-clockwise until it locks. Roundpans are placed straight down on sub-pan.2.4 Connecting PowerAC Adapter InstallationConnect the AC adapter power cord to the instrument's power input connector, and then connect the AC plug to a suitableelectrical outlet.Attention: Only use a AC adapter specified by OHAUS.Battery InstallationInstall the four “AA” batteries with polarity as shown in the battery compartment.2.5 Initial CalibrationFor best results, the instrument's calibration should be checked prior to first use. If adjustment is needed, refer to theCalibration section of the instruction manual.AC Adapter Input JackBattery Compartment CoverOption Interface Security Slot (Anti-Theft lock slot) Weigh Below HoleSecurity Switch