Autolevel Error Check, Bubble Error and Sokkia,topcon, Here is the Leveling (level) error adjustment for every kinds of auto level. #MAB_AUTOCAD_SURVEY This works for all auto level. This is the basic error that can be seen mostly on all auto levels after certain usage. #Autolevel Error Check #Topcon level #Sokkia_Level #Auto_level_Bubble Error Check Such error can be seen even after rough transportation