Model 7800 Family Weight Classifiers User’s Manual 3Table of ContentsSpecifications ....................................................................... 4Initial Setup .......................................................................... 7Operation ............................................................................. 9Diagnostics Mode ............................................................... 15Configuration Mode ............................................................ 20Calibration Mode ................................................................ 24Gravity Mode ...................................................................... 27Re-Calibration Mode .......................................................... 28Review/Test Scale Settings ................................................ 29Communication .................................................................. 31Error Codes ........................................................................ 34Troubleshooting ................................................................. 35Spare Parts Listing ............................................................. 37