Function Introduction
1. Open File (Shortcut: Command+O)
The software supports opening DWG and DXF files, compatible with AutoCAD R14—AutoCAD 2024 formats
2. Recent Open
Recent Open allows you to quickly select the last drawing you worked on. The bottom of the list features a "Clear recent File List" option to clear the recent files history.
The list can be found in the location shown below:

3. Viewing Functions:
- Zoom All
- Model/Layout Toggle (After opening a drawing, you can switch between Model and Layout at the bottom-middle corner)

- Layer Management (Restore default, Open All, Close All)

- Screen Rotation (Rotate 90° clockwise, rotate 90° counterclockwise, restore to initial orientation)

Additional viewing options are available in the right-click menu:
- Regeneration (Smooths arc displays)
- Switch Background Color to Black/White
- Show Polyline Width

4. Measurement
- Length Measurement (Aligned, Linear)
- Coordinate
- Rectangular Area
- Arc Length
- Perpendicular distance
- Measure circle
- Undo/Redo (Undo or redo actions such as adding or deleting dimensions)

5. Dimensioning Tools:
- Scale
- Delete Dimensions (Supports both point-select and window-select methods)
- Settings(Sedt comment color, Text height, Area unit)

6. Text Search (Full-word match supported)

That’s a quick overview of the CAD Fast Viewer for Mac features!