[Elecraft] KPA-500 timing settings IC-7300

[Lyn Norstad]

Tom -

I am running the 7300 with KPA/KAT500 and have the TX Delay on the 7300 set for 15ms on both HF and 50MHz (the range is 0 - 30ms), and the CW Rise Time set to the default, 4ms (range 2ms - 8ms).

On the KPA500, I have TR set to 00.

Hope that helps.

73
Lyn, WØLEN

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Tom N4LSJ
Sent: Tuesday, July 26, 2022 8:39 PM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] KPA-500 timing settings IC-7300

I've been on the internet and can find IC-7300 TX Delay, CW Rise Time 
settings for other amplifiers pretty easily.  There don't appear to be 
any for -specifically- the IC-7300 and KPA-500.  Are there "officially 
sanctioned" settings for that combination?  I feel it may be overkill to 
use 30ms when 10ms TX delay may suffice.  Is there also a suggested CW 
rise time from Elecraft?

The KPA-500 also has a "TR TIME" settings from 0 to 50 as well. Does 
that need to be set for the 7300?

I -DO- have a KAT-500 and the whole get-up is hooked as per the 
documentation on Elecraft's FTP site, e.g. the key line going to the 
tuner, then the amp.  That document says nothing regarding timing.

73 to all!

Tom N4LSJ.



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