Rotating objects by specified angle
Especially useful after applying the angle to get to magnetic north. You are often left with a number of symbols, especially text, that also need rotated. Accurate and fast rotation can be effected via Object>RotateObject>Enter angle
Select the object, select the action, enter the angle – usually the same as the Grid Magnetic Angle that you applied and in the same direction. If reverse direction, just enter a minus sign before the angle you want.
You can select multiple symbols in the usual ways such as Select all instances of a symbol, holding CTRL while you select various symbols.
A nice touch is that in the same session, the angle is still there when you go back again for that overlooked symbol instance.
See also changing the angle of text.