nsiter:
This may work (when I have the cursor in the Coordinates Palette, the left & right keys move the cursor in spite of the fact that they are assigned Actions when out of an input box). Go to Work Environment > Shortcut Schemes > Keyboard Shortcuts, change the List pop up (middle of the dialog box) to
All Commands by Theme, open
11 Actions and scroll down the list to
Scroll Left and
Scroll Right, and if you see that Left and Right (these are the arrow keys) have been assigned to these Actions, then click the
Detach selected shortcut button to disable them, go back to Shortcut Schemes to either Redefine or Store As to save your changes.
HTH,
David