Re: [wsjt-devel] FT4 & FT8 and ALC

[john <jo...@th...>]

I have a TS-2000 and a USB Signalink.I have found that setting the ALC to 0 works great.An  Observation,I set the ALC by adjusting the transmit level on the signal link. I have noticed as I slowly increase the drive level, the power output also rises. It seems that the Max power out and just barely touching the ALC equals 0 happens at the same time.Anymore drive does not increase the power out.  Probably just distorts it.Sent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------From: Black Michael via wsjt-devel <wsj...@li...> Date: 6/12/19  8:52 AM  (GMT-07:00) To: WSJT software development <wsj...@li...> Cc: Black Michael <mdb...@ya...> Subject: Re: [wsjt-devel] FT4 & FT8 and ALC I finally got a reply from Kenwood for the TS-990S -- this quite likely applies to all the Kenwood's with the red ALC zone.The bottom of the meter is 0dB ALC.  I would maintain once you see the "beings to swing" you back off a bit for no swing.You won't find the PSK31 words in the multi-lingual manual...it's in the English manual (and perhaps the other individual languages).It tells you to set the rig for almost no ALC indication.de Mike W9MDBRegarding the ALC 0dB and +6dB, refer to the picture below.  In the TS-990S instruction manual, it is mentioned as follows.---------------------------------------------In the case of operation in the digital mode such as PSK31 usinga PC, you must adjust the audio output level from PC until the ALCmeter of the transceiver begins to swing.---------------------------------------------The level "begins to swing" is not zone max (+6dB) but threshold 0dB. 
                    On Thursday, June 6, 2019, 01:09:07 AM CDT, Wolfgang <oe...@gm...> wrote:
                
                
                
                
There is a common belief that became an internalized misentrepretation: 

"NO ALC", or even "ALC is bad", this can not be applied to all rigs. On a  
Kenwood rig the manual says, you should not go (drive) the rig beyond the  
red bar. 

For example, the Kenwood TS990 audio input setting to "no ALC" will result  
in an Power output that goes down to indeterminable value, compared to the  
Po setting on the front panel knob & meter.   

So please consult your rigs manual, the designers gave you the right info.   

73 de Wolfgang 
OE1MWW 

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