NVIZ Scale, Labels & Ruler?

I am trying to get NVIZ to put a scale, labels or a ruler on a window, and
I don't seem to have much luck.

I have used the spearfish database with elevation.dem as my raster later.
All other options are default. This shows me a wireframe which I can colour
etc.

When I make changes in the labels, or scale panels, I see no result on the
rendering window, despite pressing various buttons.

Is there something I am missing here? Perhaps someone could suggest some
simple steps to add a label to a rendered image.

Thanks in advance,

Philip Warner.

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Philip Warner | __---_____
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