Function Key Reference

The keyboard function keys F1 - F12 control settings that are commonly turned on and off as you work in the product.

Key Feature Description
F1 Help Displays Help for the active tooltip, command, palette or dialog box.
F2 Expanded history Displays an expanded command history in the Command window.
F3 Object snap Turns object snap on and off.
F4 3D object snap Turns additional object snaps for 3D on and off.
F5 Isoplane Cycles through 2D isoplane settings.
F6 Dynamic UCS (AutoCAD only) Turns automatic UCS alignment with planar surfaces on and off.
F7 Grid display Turns the grid display on and off.
F8 Ortho Locks cursor movement to horizontal or vertical.
F9 Grid snap Restricts cursor movement to specified grid intervals.
F10 Polar tracking Guides cursor movement to specified angles.
F11 Object snap tracking Tracks the cursor horizontally and vertically from object snap locations.
F12 Dynamic input Displays distances and angles near the cursor and accepts input as you use Tab between fields.

Note: F8 and F10 are mutually exclusive—turning one on will turn the other off.