EN-4DISPLAY3.2 Principal FunctionsWeighing: First press Zero to set the display to zero. Place an object on the pan. Thedisplay indicates the gross weight.Taring: With no load on the pan, press Zero to set the display to zero. Place anempty container on the pan and press Tare. Add objects to the container andits net weight is displayed. After the container and the objects are removed,the load will be displayed as a negative number. Press Tare to clear.Zero: Press Zero to zero the balance.4. MAINTENANCE4.1 CleaningWARNING: Disconnect the balance from the power supply before cleaning.Make sure that no liquid enters the interior of the balance.Clean the balance at regular intervals.Housing surfaces may be cleaned with a lint-free cloth slightly dampened with water or amild cleaning agent.Glass surfaces may be cleaned with a commercial glass cleaner.Attention: Do not use solvents, harsh chemicals, ammonia or abrasive cleaning agents.4.2 TroubleshootingIf the troubleshooting section does not resolve your problem, contact an Authorized Ohaus ServiceAgent. Please visit our website www.ohaus.com to locate the Ohaus office nearest you.Net (NET)Stability (*)Negative (-)Centre of zero (>0<)Pre-tare (PT)Result Field: dependingon applicationUnit