5 To configure radius and diameter symbols for radial dimension objects, select one of the following options in the R,D Symbols pop-up menu: 6 To set the dimension precision, choose an option in the Preci- sion pop-up menu. The options tell Canvas to use fractions or the specified number of decimal places in dimension text. 7 To specify the format of tolerance data in dimension objects, choose one of the following options in the Tolerance pop-up menu. Type the tolerance numbers in the text boxes. 8 To set a custom scale for dimension objects, turn Custom Units on. This overrides the measurement units specified for the docu- ment rulers. Choose a measurement unit in the adjacent pop-up menu and type the actual measure in the first text box. Type the scaled measurement in the second text box. Choose the scale mea- surement unit in the adjacent pop-up menu. For example, if you want to use a scale of 1 centimeter equals 1 meter, do the following: turn on Custom Units; select Centimeter in the first pop-up menu; type “1” in the first and second text boxes; and choose “m.” in the second pop-up menu. 9 Click OK to close the dialog box and implement the settings. None Does not include any symbols Leading Places symbols before the dimension text Trailing Places symbols after the dimension text None Does not include any tolerance amount One Prints the tolerance amount from the first text box, with “± “and the dimension text. Two Prints tolerance numbers from both text boxes. To use a negative number, type a minus sign (–) before the number Limit Prints two dimensions, calculated from the actual dimensions and the two tolerance values.
Canvas 8 Help: Precision drawing and dimensioning (8 of 14)                                         Page #454