[1000mp] RE: Mark V resetting while running an amp on 10M

Bob Main bobmain1 at alltel.net
Sat Mar 5 18:52:56 EST 2005


No doubt it worked, but still sounds weird.  I use the plug in the back 
anyway.

Good luck in the contest.
Bob

----- Original Message ----- 
From: "Charles Wooten NF4A" <nf4a at knology.net>
To: "'All about Yaesu 1000mp'" <1000mp at mailman.qth.net>
Sent: Saturday, March 05, 2005 6:50 PM
Subject: RE: [1000mp] RE: Mark V resetting while running an amp on 10M


It may sound weird but it works....just use the one on the back....somehow
10m RF will reset the radio when you use the front key jack....does it on
the original 1000MP also! Even at 100 watts with a good load.

NF4A (back to the dx contest)

-----Original Message-----
From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net]
On Behalf Of Bob Main
Sent: Saturday, March 05, 2005 5:15 PM
To: All about Yaesu 1000mp
Subject: Re: [1000mp] RE: Mark V resetting while running an amp on 10M

Now that sounds weird!


----- Original Message -----
From: "Charles Wooten NF4A" <nf4a at knology.net>
To: <lladerman at earthlink.net>; "'All about Yaesu 1000mp'"
<1000mp at mailman.qth.net>
Sent: Saturday, March 05, 2005 6:04 PM
Subject: RE: [1000mp] RE: Mark V resetting while running an amp on 10M


Unplug the key jack on the front and that will take care of it....it did for
me

NF4A

-----Original Message-----
From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net]
On Behalf Of Lou Laderman
Sent: Saturday, March 05, 2005 4:55 PM
To: 1000mp at mailman.qth.net
Subject: [1000mp] RE: Mark V resetting while running an amp on 10M


Correction: while running on 10M without the amp, the Mark V reset.
This seems to be an issue with 10M, and not just with the amp. Any
suggestions?

Lou, KB0CJ



> I encountered a very peculiar issue operating 10M with my amplifier
> (Alpha 87A) today. The Mark V would reset all frequencies to default
> (28000, 21000, etc) without warning, and the processor and class A
> switches were turned off as well. I thought I had an issue with RF
> getting into my computer and back into the radio as I was using a
> logging program, but after putting chokes on the various lines, and
> ultimately unhooking the RS232 line from the computer to the Mark V, I
> had the same issue.  This problem only shows up while running the amp
> on 10M, and even then, not immediately or with any consistency;
> rather, it will happen suddenly. When using the Mark V with the amp on
> other bands, or operating on 10M without the amp, it is fine.
>
> I am puzzled and have no idea what to do (other than not run the amp
> on 10M). I've used my amp many times on 10M and have never had this
> issue before.  Has anybody experienced this before or have any ideas
> what might be going on?
>
> Lou, KBØCJ
>
>
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