The trimmer capacitor for the processor's clock is very temperature
sensitive. Try spraying some circuit cooler on it if you doubt. This is
why TenTec installed the crystal oven. Leaving the rig connected to 12v
should warm it up even when it's turned off. There are also trimmer
capacitors which are temperature sensitive on the tx/audio board. The one
for usb may be more sensitive than the one for LSB.
I would not be concerned about this. It seems normal.
N4LQ Steve
On Fri, 15 Jan 1999, RICHARD ANDREN wrote:
>
> Could my radio have been stone frozen? My wife received our VI+ back from
> TT service yesterday at 11:00am. She didn't open the box. I opened it
> when I got home from work at 7:00pm, plugged it in, and it drifted
> something terrible! USB seemed ok, but LSB, CW, and FSK drifted on all
> bands. This went on for two hours. After that, it seemed very stable. I
> checked it this morning before leaving for work, and it's still stable
> after being turned off all night. Could it have been so frozen and
> insulated in the shipping box that it took over 8 hours to warm up? The
> local temp here is 20F which really isn't very cold. Anyone else
> experience this?
>
> 73, Rick N9THC
>
>
> --
> FAQ on WWW: http://www.contesting.com/tentecfaq.htm
> Submissions: tentec@contesting.com
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> Search: http://www.contesting.com/km9p/search.htm
>
>
Steve Ellington N4LQ
N4LQ@IGLOU.COM
--
FAQ on WWW: http://www.contesting.com/tentecfaq.htm
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