David B.,

I just did some tests with the Cinema 7 and the
original factory remotes for a Sony TV (code
0000) and a Sony VCR (code 0032), using a coil
hooked up to a small audio amplifier, to act as
an EM to audio transducer. I tried the VCR
controls, and the TV controls. I tried the
factory remotes, and the Cinema 7. I tried
holding down buttons, and just tapping them for
an instant.

Here are the results: In all instances where a
button was tapped for an instant, either no code
was produced (if it was tapped too lightly or too
quickly), or a burst of (I think) three pulses
was produced. In all tests, the Cinema 7 sounded
JUST like the Sony remotes. (although it DID
produce a MUCH louder signal, i.e. stronger EM
field.)

If the problem is that too many copies of codes
are being bunched together and confusing the
reciever, then the original factory remote should
stop working if you hold down the buttons, and I
find it difficult to believe such a device would
ever make it to market, much less one by a major
name like RCA or Sony.

Another important point is that a device code
tells the Cinema 7 two things: an IR PROTOCOL to
communicate an 8-bit number to the device, and a
set of default key mappings to assign various
8-bit numbers to appropriate keys. This means
that all codes sent from the remote to the device
should, much like UPC digit coding, all be the
same length. (Unless they employed some form of
temporal coding, which would been very unlikely,
and needlessly complex.)

When you use an "Advanced code", it is not
something the company programmed into the ROM at
the factory. It is simply a request to send an
arbitrary number in the IR protocol selected by
the current DEVICE code.

Therefore, I find the concept that some codes are
"cleaner and shorter" unlikely to the point of
approaching imposibility.

-=Ingenious=-