[Elecraft] KPA500 question

[Ed Muns]

Have you updated the K3 MCU firmware to 4.36 or later?

Ed - W0YK

> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Dave Perry
> Sent: Tuesday, June 14, 2011 7:34 PM
> To: 'Elecraft Reflector'
> Subject: [Elecraft] KPA500 question
> 
> My KPA500 sn 70 arrived tonight (factory assembled).  It took 
> just a few minutes to hook up and get it on the air.  I am 
> using the Y cable on the ACC port to split off two cables 
> from the K3 ACC port -- one goes to a new RCS-12 Automatic 
> Antenna Switch and the other goes to the KPA500.
> 
> I have AUX BUS on the KPA500 menu turned on and Band Change 
> set to normal.  If I press a band button on the amp, the K3 
> changes bands and so does the new antenna switch -- pretty 
> neat.  But the band display on the KPA does not change.  I 
> have to hit the key and transmit to get the band to change on 
> the KPA500.  This does not seem correct.  It would seem that 
> pressing any on the band buttons on the amp should change the 
> band on the amp and the frequency display as well.
> 
> Likewise if I change bands on the K3 or via my logging 
> software, the K3 and antenna switch change bands, but the 
> KPA500 does not.  I have to tap the paddle and transmit to 
> get the KPA500 to change to the correct band.  I am wondering 
> if there is a problem with the Aux Cable.  Any other suggestions?
> 
> I am up to date on firmware for both the K3 and KPA500.
> 
> The amp runs very quiet and is silky smooth in full QSK mode. 
>  I just need to get the band changing issue resolved.  Any 
> help would be appreciated.
> 
> Thank you.
> 
> Dave, N4QS
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