212.12 Setting Date and TimeDate and time parameters are set and controlled via the Leaf Credoback’s Menu system.If the Leaf Credo back has been without power for a long period of time,it automatically asks you to set the time and date on the next occasion itis powered up.Tap the screen and scroll through the numbers to attain the appropriatedate and time.The time and date is applied to the EXIF data in all files captured with theLeaf Credo back.2.13 Setting DiopterLook through the viewfinder and make sure that the focus frame(rectangle with circle) is in sharp focus. If it is not, turn the diopteradjustment dial in the “–” direction if you are nearsighted or in the “+”direction if you are farsighted. If this is not sufficient you may require anoptional diopter correction lens. Check the table for possible diopters.Point the camera at a bright, plain object such as a white wall whenmaking this adjustment.Diopter not matchingDiopter matchingDiopter correctionlensRange ofAdjustmentDE401(standard)-2,5 to +2,5DE402(nearsighted users)-5,0 to -2,0DE403(farsighted users)0 to +3,0