Use this procedure to specify the display of muntins for an individual window in model and elevation views.
- Double-click the window.
- Click the Display tab in the Properties palette.
- Under the General category, for Display component, verify that *NONE* is selected.
- For Display controlled by, select This object. Note: To apply your changes to all windows in the drawing, select Drawing default setting. To apply changes to all windows of this style, select Window Style:<style name>.
- For Display representation, verify that the desired display representation is selected.
- If necessary, expand Object Display Properties
Advanced, and for Muntins, click 
(the number in parentheses indicates the number of muntins blocks currently attached to the window). - If you want to turn off the display of muntins blocks for this window without removing them, select Disable Muntins Blocks.
- Specify whether to add, edit, or remove a block:
If you want to… Then… add a new muntins block click Add. edit an existing muntins block select the block to edit, and click Edit. remove an existing muntins block select the block, click Remove, and click OK. - For Name, enter a name for the new block or edit the existing one as applicable.
- The rest of the parameters on the Muntins Block worksheet vary according to the type of window and type of pattern selected for the lights. When the worksheet parameters are set as desired, click OK.
- If you want your changes to apply only to the current display representation, clear Automatically Apply to Other Display Representations. (If this option is not selected, you will be prompted to identify the other display representations to which you want your changes applied.
- Click OK.