> How is the RM-X69RF controller supplied? Is it supplied with the RF block
> (which feeds the FM car radio) built into the controller circuitry or as a
> separate block, apart from the controller box, which just receives power
> from the controller box and the signal from the changer?
It is in one small metal box 5" x 4" x 1 1/4" with the following connectors
on one of the 5" faces: L audio in (RCA), R audio in (RCA), wired remote in
1/8 phone, Unilink, LCD display. On the opposite face: power (4 pin Molex),
antenna (Motorola jack on a cable), RF to receiver (Motorola plug on a cable).
The LCD module is 4 1/2" x 1 1/4" x 3/4", at the end of a 5 foot cable that can
be detached at the main unit. It consists mostly of a large backlit display, a
single "power" button that initiates (or suspends) playback, an IR detector for
the wireless remote and a "paper clip" CPU reset button.
To use it without the FM modulator, simply do not hook up the antenna and
RF cables.
> > Also, how do some car radios open up the line-input when the auxiliary
> source is started? Does this involve any special wiring to cause this
> trigger and can this controller provide that special trigger arrangement for
> these radios?
Various radios work differently, but the RM-X69RF has an undocumented
"amp turn-on" lead (the red/blue wire from the power Molex connector) that
goes to +12V when playback is initiated. I guess you *could* just use it with
an amp (no radio) if you put a volume control between the changer and the amp.
Good luck!
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