ARLA/CLUSTER: Os 'screen savers" ou "power savers" a correr nos PC´s podem afectar as comunicações em FT8 e FT4

[João Costa > CT1FBF]

FT8/FT4 and 'screen savers or power savers'

This is a short article which could explain a phenomena that you may have
experienced. It affects FT8, FT4 and maybe other data modes.

The following happens after a normal start up and transmitting/receiving
session of any length. You leave your computer still switched on with FT8
running and go away to make a tea/coffee/sandwich whatever.

When you return the computer screen is blank. Ah, you think, the screen
saver has come on. When you move the mouse or touch a key, the picture
returns and FT8/4 is receiving as normal. Till you try to transmit! The
radio will key up but no data goes out. This is reproducible.

In Control Panel I tried setting all the USB ports so that they could not
be powered down but without success.

There are several work rounds. One for WSJT-X is to go to Configurations
and “switch to� a copy Configuration you made earlier. You did make one
didn’t you? Or you could close down and restart WSJT-X.

But the best thing to do is to go to Control Panel, Power Options, Chose or
customise a power plan, Change plan settings, Turn off the display. Set
Turn off display to Never.
Make sure that it is Never for each plan you might use. Now the screen will
stay on all the time.

So you may want to set a screen saver. Go to Windows button, Settings (gear
near bottom left), Personalisation, Lock Screen, Screen saver settings. Now
if you are like me and you don’t like swirly coloured patterns across your
screen you set Screen saver to blank after a suitable time.
Might be a good idea to restart the computer at this point.

Of course, the real easy way to save power is to press the off button on
the monitor. This works whatever OS you have. Just for information mine is
Windows 10 Home, version 1909, x64 based system with all Quality Updates to
22/04/2020

*Tony G4CJC*
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