I have the same setup. KX3 and Expert 1.3
IW2NOY is correct. Expert only has to listen on CAT. Remove TX line
connection from Expert to TRX otherwise you will have collisions when
Expert and computer both are polling TRX for frequency.
I use Elecraft setting for CAT on Expert.
73, Igor UA9CDC
01.03.2018 15:58, Andre Bourbon пишет:
Hi,
Tnx
I have already test this configuration like you propose.
Removed the TX (pin9) on the DB15 only pin 1(rx) and 4 (gnd)
But the expert need as cat config Flex radio when he is on the KX3 , tx and
Rx must be connected .
KX3 is not like K3
73’ André on7yk
From: Graziano Roccon [mailto:graziano.roc...@gmail.com] On Behalf Of Graziano
Roccon IW2NOY
Sent: donderdag 1 maart 2018 11:08
To: Andre Bourbon
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX3 ACC1 to PC and expert 1.3K-fa ?
Hi,
Serial communications is thinked for two buddies with crossed tx and rx., not
for three.
You have too many tx on the same cable.
Remove the tx from the db15 of expert you don't need it. For the expert is
enough READ (rx) the frequency that set the CAT coming from the PC (TX).
Remove the tx from the expert db 15 and try again.
I have similar setup but with k3s instead of kx3.
There are cable schemas on my site, if you want give a look.
Good luck, 73 de IW2NOY
http://www.iw2noy.it/index.php?id=87
Inviato da BlueMail <http://www.bluemail.me/r?b=12200>
Il giorno 1 mar 2018, alle ore 09:53, Andre Bourbon <andre.bour...@on7yk.eu> ha
scritto:
My setup is : KX3 --- PC ----Expert Ampli 1K-fa or 1.3k-fa
Using the ACC1 port :
Kx3 Connect to my pc with KXUSB cable and DX-lab logging prg --------- band
changing is ok
KX3 connect with my Expert ampli DB15 ( txd,rxd,gnd ) ( flex radio cat
settings ) -band changing is ok
I will do it now together :
I put 1 cable wired on parallel : txd, rxd, gnd
1 cable goes from the KX3 to the expert ampli
1 cable goes from the KX3 via KX3USB to the pc
----band changing totally NOT working any more .
Its look like there is a conflict or the voltage from the kx3 is to low to
change the band info to the pc and on the same time to the cat port (Expert
ampli.)
Any advice, or solution ???
André ON7YK
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