> Johnny <[EMAIL PROTECTED]> wrote:
> Setting the transmit freq on an Aru251 is a process.
Very true.. a long one at that... at least to do it right.
> Once you power it up, it takes about an hour for the
> crystal oven to really stabilize.
It's actually just some piggy back parts on the crystal,
not a complete oven. I'd give it at least a few hours
warm up after a few different long term power on/off
cycles. The new crystals will drift quite a bit and settle
down after some power cycles have occured and you've
let it sit on for a few hours min.
> After each adjustment , key it a few times and let
> it set for a few minutes.
Operation of the transmitter shouldn't really change the
actualy TX Crystal frequency, just the temp of the tx rf
power amp heat sink.
cheers,
skipp
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