[GreenKeys] M-7000, etc

[Tom Hunter]

Nick,

I am trying to get squelch to work on my M-7000. I tuned on squelch for the
video and the printers. Then I turned on the squelch switch.  I have to run
the level in the low to medium green for it to squelch. The screen squelch
works but the 28 continued to print garble between transmissions last
week.  Yesterday the 28 squelched part of the time but not every time. I
figure I must be doing something wrong, but I don't know what.

I bought six RTTY terminals from eBay. I found the book on the AEA MPA-RC
and have it working.  It has a 32 character display and a loop output. I am
going to take out the IRL-1000 which I don't use since it is high tones and
I will put the AEA in it it's place. The AEA is HIgh tones too but I am
anxious to try it  on CW.

I got two Kantronics "The Interface" I already had the book and schematic
on those,  The are meant to be used with a computer. But their loop outputs
will work without the  computer.

I got a HAL CRI-200 which has an L.E.D. display that actually shows
ellipses.  I can't find the book, but it works and I got the RS-232 output
connected to one of the RCA Jacks. I tested it and it will drive a polar
relay. I am going to mount a relay on an electrical box and use it to key a
powered loop.

I got a HAL CMR-7800 which will only drive a video monitor and has standard
high and low tones. The mark and space lights flicker as they should but
the monitor on shows Os, Ts , Vs and Ms. I desperately need a schematic.
For example on LTRS it shows Ms or Os.  It seems to be losing the first two
to four marks in every character which makes me suspicious of the
demodulator. It only has a parallel ASCII output with a really weird
connector.  I think I may have one of those connectors.
I will try to wire it to a printer and see what it prints.

And I got a HAL Spectra-Tune SPT-2.  I would like to get it working but I
need the book. It is not to be found. The SPT-1 book shows a coaxial power
connector. But the power input on the SPT-2  is on a DB-25M. There is also
a DB-20F and I have no idea what it is for..  So I must find the correct
SPT-2 book.

I ordered some 6-point grounding lugs to ground my equipment. But I still
have to drill the hole to get a big piece of shield brain downstairs.

So that is what is going on here.  I still read the mail, but unless
grounding gets rid of that spur, I won't be transmitting.
There is no ground terminal on my amp so I will add one.  As a matter of
fact, I copied everybody for most of the net yesterday.


Tom   N3CRK
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