9

816 Chapter 22: Customizing the User Interface
Interface (page 3–816)
Pr ocedur es
To s et and toggle spinner sna p:
1.
Do one of the following:
• Choose Customize menu > Preferences >
Preference Settings dialog > General tab.
•
Right-click the Spinner Snap button
on the main toolbar.
Either method brings up the General tab.
Thetwocontrolsforspinnersnapareinthe
Spinners area of this panel.
2. Enter a value in the Spinner Snap field.
3. Tur n on Use Spinner Sn ap.
When you exit the dialog , Spinner Snap is on.
4. As you work, use the Spinner Snap button to
toggletheuseofthissetting.
To set the Undo level:
1.
Choose Customize menu > Preferences >
Prefe rence Settings dialog > General panel.
2. Change the value of Scene Undo Levels.
The higher the va lue of Undo Levels, the more
system resources are required. The default
value is 20.
Interfa ce
Scene U ndo group
Level s —Sets the number of operations you can
undo . You can see the operation that will be
undone by looking at Undo on the Edit menu.
Reference Coordinate System group
Co nstant—Setsonecoordinatesystemand
transform cen ter for Move, Rotate, and Scale on
the Main toolbar. The coordinate system displayed
in the coordinate dropdown list (page 1–443),and
the transform center selected from the Use Center
flyout (page 1–445),areusedforalltransforms.
Normally, each transform switches to the
coordinate system and t r ansform center used the
last time the transform was active.
UI Display g roup
Enabl e Vi ewpor t Tooltips—Displays a tooltip when
the cursor pauses over a non-selected object in
the viewports if you a re not in sub-object mode.
Tooltips show the names of objects.
AutoPlay Preview File—Starts the Media Player
automatically at the end of a Make Preview (page
3–168).