Only when the manual is correct. Most are wholly inadequate in this respect.
Mainly due to not addressing digital modes at all. Even Kenwood's own TS-890S
multi-lingual manual doesn't mention this.
I just worked with a user yesterday with in IC-7000 and RigBlaster Advantage in
the ACC socket and had to have the MIC level set at 1 and we could crank up the
RigBlaster TX to get 90W without any ALC action on the rig. If we cranked up
the MIC gain and turned down the RigBlaster TX we could get ALC action at 10W
(note that the rig was always set at 100W).
Any manual that talks about SSB Phone mode needs to be ignored as it has
nothing to do with digital operations.
My main point is that if you can get 90W without ALC indication you are pretty
well guaranteed your signal is as clean as it can get. And I've been able to
get 90W/No ALC on 99% of the rigs I've dealt with.
de Mike W9MDB
On Thursday, June 13, 2019, 01:06:46 AM CDT, Roeland Jansen
<[email protected]> wrote:
so we agree that we should follow the manuals of the manufacturers?
On Wed, Jun 12, 2019 at 4:56 PM Black Michael via wsjt-devel
<[email protected]> wrote:
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 W9MDB
Regarding 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 using
a PC, you must adjust the audio output level from PC until the ALC
meter 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 <[email protected]> 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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