[Elecraft] K3 with P4dragon DR-7800

[ejkkjh at gmail.com]

Not sure this will help but I have used SCS PTC-II with my K3.
The modem has both hardware and software adjustments for the mic gain, 
suspect this new modem would too?
Emory WM3M

-----Original Message----- 
From: Johnny Siu
Sent: Thursday, July 17, 2014 8:41 AM
To: LA7NO ; elecraft at mailman.qth.net
Subject: [Elecraft] K3 with P4dragon DR-7800

Hello Gentleman,

In fact, I was annoyed by SCS modem.  I sent Martin of SCS modem emails and 
asked him about the connection between their modem and K3 or KX3.  SCS 
modem's answer was a simply 'no', no information available.  It was a very 
frustrated experience.  Perhaps, SCS modem is more interested in marine 
radio sector.

My original ideas was that KX3+ Pactor 3 or 4 modem will be a good 
combination for many communication purposes.

73

Johnny VR2XMC


________________________________
寄件人︰ Don Wilhelm <w3fpr at embarqmail.com>
收件人︰ LA7NO <ptaa at ieee.org>; elecraft at mailman.qth.net
傳送日期︰ 2014年07月17日 (週四) 7:20 PM
主題︰ Re: [Elecraft] K3 with P4dragon DR-7800


P-T,

If you follow the instructions frequently given on this reflector, you
will have proper power control and no flat-topping.
For soundcard Data modes, monitor the audio input level on the ALC
meter.  You should have 4 bars illuminated with the 5th bar flickering.
The first bars of the ALC meter do not actually indicate ALC - the onset
of ALC is at the 5th bar, so the lower bars are used like a "VU-meter"
to aid in adjusting the audio drive level.\

The closed loop method of power control used by the K3 requires that you
fully drive the audio and use the power knob to set the desired power
output.  Attempting to control the power with the audio drive will
result in "power hunting".

73,
Don W3FPR

On 7/17/2014 6:09 AM, LA7NO wrote:
> I found the problem.
> Increased the settings of PSK/FSK Level in RMS Express TNC Setup to 600.
> Now I've got full power out from the K3.
> Guess I'll have to investigate proper MIC setting in order to avoid
> flat-topping etc.
>
> P-T
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