Document Properties - Datums You can specify document-level drafting settings for datum annotations. Available for all document types. To open this page: With a drawing open, click Options (Standard toolbar), select the Document Properties tab, and then select Annotations > Datums. Overall drafting standard Overall drafting standard Inherited from the selected Drafting Standard page settings. Base datums standard Base datum standard Select a standard: ANSI ISO DIN JIS BSI GOST GB Leader style Leader Style Select: a style. Leader Thickness Select: a thickness or select Custom Size and enter a thickness. Frame style Frame Style Sets the style for the shape surrounding the text. Frame Thickness Select: a thickness or select Custom Size and enter a thickness. Text Font Click to modify the font. Datum features Display type Per Standard Square Round (GB) Next label Enter a letter to start the labels for datum feature symbols. Successive labels are in alphabetic order. Only uppercase letters are accepted. Anchor style Square datums Filled Triangle Filled Triangle With Shoulder Empty Triangle Empty Triangle With Shoulder Round datums Perpendicular Vertical Horizontal Layer Layer Select a layer. You must first create layers for the drawing before you can select them for document properties. You must select Per Standard for Layer (Layer toolbar) in the drawing view document to apply these layer settings. Options Display datums per 1982 Select to display datums per 1982 ANSI standard. (ANSI only). Parent topicDocument Properties - Annotations Document Properties - Balloons Document Properties - Location Label Document Properties - Geometric Tolerances Document Properties - Notes Document Properties - Revision Clouds Document Properties - Surface Finishes Document Properties - Weld Symbols Layers