I'm using Blender 2.62 on Linux and am newbie ...
I hide an object for 100 frames and then unhide it using the eye icon in the outliner and inserting a key frame. All good. Alt-A shows the animation doing exactly what I want. Object appears at frame 101 ...fine.
But on the full render, the object is always visible. Am I missing something?
there are two separate properties:
see my post here:
I'm sitting, waiting, wishing, building Blender in superstition...