David B.,

To address you question about whether device
codes of the form 1??? ever turn up in code
searches, yes, I believe they do. I seem to
recall that, during a recent effort to help
someone on this forum by using the code search
method to try every device code in every device
cateory, and listening to the IR pulses by means
of a solar cell and a sound card, I did run into
at least one code of the form 1???, which I
determined by means of the 990 flashback code.

-=Ingenious=-