151Camera settings menu > User settingsNo. Description3HistogramSet the histogram on the display on or off.About histogramA histogram is a graph that shows the brightness distribution of aphoto. A histogram inclined to the left indicates a dark photo.A histogram inclined to the right indicates a bright photo. The heightof the graph is related to color information. The graph gets higher if aspecific color is more common.Insufficient exposure Balanced exposure Excessive exposureKey MappingYou can change the function assigned to the Custom button or DIRECTLINK button.* DefaultButton FunctionCustomSet a function of the Custom button. Optical Preview*: Execute the Depth of FieldPreview function for the current aperture value.(p. 25) One Touch WB (White Balance): Execute the CustomWhite Balance function. One Touch RAW +: Save a file in the RAW+JPEGformat. To save a file in JPEG format, press the buttonagain. Reset: Reset some settings. AEL: Execute the auto exposure lock function. AEL Hold: Keep executing the auto exposure lockfunction after shooting.DIRECT LINKSet a function of the DIRECT LINK button.(AutoShare*, MobileLink, Remote Viewfinder, AutoBackup, Email, SNS & Cloud, Samsung Link)