Navigator® EN-32.4 PowerThe AC Adapter is used to power the balance when battery power is not needed.Connect the AC Adapter plug to theinput jack.Connect AC Adapter to theproper AC supply.Battery installation (without optional internal battery):Remove battery cover and install 4 batteries using the polarity indications as shown in thecompartment.Optional rechargeable battery (NVL and NVT models only):Balances with the optional rechargeable battery will need to be charged for 12 hours before thebalance can be operated on battery power for the first time. The battery is protected fromovercharging so the balance can remain connected to the AC power. When the battery is fullycharged the battery indicator on the display will stop blinking.To remove the rechargeable battery option and install C cell batteries, reference the RechargingBattery Option instruction manual for step by step instructions as well as disposal instructions.Caution: Risk of explosion can occur if the rechargeable battery is replaced with thewrong type or if it is not properly connected.2.5 Initial CalibrationWhen the balance is first installed it should be calibrated to ensure accurate results.Press and hold Menu until [mMeNU] (Menu) is displayed. When the button is released, the display willdisplay [.C.A.L.]. Press Yes to accept, [SpaN] will then be shown. Press Yes again to begin the spancalibration. [--C--] blinks while zero reading is stored. Next, the display shows the calibration weightvalue. Place the specified calibration mass on the pan. [--C--] blinks while the reading is stored. Thebalance returns to the previous application mode and is ready for use.Required Span Calibration Mass (sold separately)Capacity Mass* Capacity Mass* Capacity Mass*210g 200g 1600g - 2100g 1kg / 2lb 6400g - 10kg 5kg / 10lb310g - 510g 300g 3100g - 4100g 2kg / 5lb 16kg - 20kg 10kg / 20lb1100g 500g / 1lb 5100g 3kg / 5lb* Pound masses are used when calibrating in the lb unit.Input JackBatteryCover