The following table lists the 12 default function keys in CAD. You can override them temporarily as you need or change their settings.
F1 Displays Help
F2 Toggles Text Window
F3 Toggles OSNAP
F4 Toggles TABMODE
F5 Toggles ISOPLANE
F6 Toggles UCSDETECT
F7 Toggles GRIDMODE
F8 Toggles ORTHOMODE
F9 Toggles SNAPMODE
F10 Toggles Polar Tracking
F11 Toggles Object Snap Tracking
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