[MRCA] sincgars question

[B. Smith]

That sounds like a job for "Mr. Breakout Box". The box has banana jack 
for each wire, toggle switch for a AUX PTT, and a male and female 
connector. And a diagram for the "standard" wiring config. The banana 
jacks allow you to patch across each wire.  Another name for the box is 
" What If". Only problem is if the box doesn't work then you need 
another break out box to trouble shoot it.  :-)
Z


On 9/6/2013 11:08 PM, W2HX wrote:
> Hello all,
>
> Putting the final touches on installing a single radio/long range VRC-90 (I think) in my land rover.  Almost everything is working with one important exception.
>
> I am using the RT-1439, Dual radio mount MT-6352 with RF amp, AM-7239B, Speaker LS-671 (connected to J3 on the base), control monitor C-11291 (J9 on the base) and handset H-250 connected to the LS-671.  The Local/Remote switch on the AM is set to REMOTE.  The LS is able to turn the RT on and off so I believe the local/remote switch is set correctly. The RT is installed in the bottom bay of the AM (Position A)
>
> The problem is when I connect the H-250 to the LS-671, I cannot key the transmitter. It receives fine, but when I key the MIC, nothing happens. If I move the same MIC to the RT itself, it transmits fine and I can hear myself in the LS-671 (is that normal?).
>
> My question is, I wonder if I need a jumper (W4) from the audio out of the RT to the audio connectors on the AM-7239B? Specifically AUD/DATA on the RT to DATA A (J5) on the AM?  Many diagrams show this jumper, but I thought this was to provide audio to the handset when connected to the AUD/DATA on the AM.
>
> Any ideas how to get the radio to transmit when connecting the H-250 to the LS-671? Thanks!
>
>   
> 73 Eugene W2HX
>   
>
>
>
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