11DO’S AND DON’TS, Cont.7. DO use only high quality Alkaline “C” size replacement batteries.8. DON’T use sharp objects to press the keys. Use only your finger tip.9. DO check scale calibration regularly to ensure that the high degree of weighing accuracy ismaintained.10. DON’T modify or replace the loading hook or hanging eye with lower capacity parts.11. DO remove loads which produce the over capacity (-oC- ) display as soon as possible.IN CASE OF DIFFICULTYYour HSDC hanging scale has been designed to provide years of trouble free service. Should youencounter a problem with your scale refer to the chart below before contacting your scaletechnician.Problem Possible Cause/Solution1. Scale seems dead A. Batteries improperly installed, make certain each of the six batteriesis correctly installed.No display B. Batteries are discharged completely, replace with fresh batteries.2. Incorrect weight A. Scale not at zero prior to applying weight, remove load and resetdisplay to zero by pressing ON/ZERO key.B. Scale is not calibrated. Refer to Calibration Section of this manual.C. Scale in net mode. Press the GROSS key.If you are unable to resolve the difficulty, contact the Cardinal Scale representive from whom youpurchased the scale. He will be able to provide you with information concerning the return andrepair of your scale. Make certain that you obtain a return authorization number prior to returningthe scale. This number should appear on the shipping carton and all correspondence referencingthe repair. Failure to obtain a return authorization number will result in unnecessary delay.