README.md : added info about the Push switch usage

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ole00 2023-04-07 20:38:49 +01:00 committed by GitHub
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@ -189,7 +189,14 @@ Troubleshooting:
the pin 1 location). Note that the 16V8 GALs have to be inserted close to the ZIF lever - see the title image above.
* ensure the VPP is set correctly on the MT3608 module. Ensure you've gone through all the calibration steps (commands: 's' then 'b' and 'm') and calibration is correct. See the Setup section.
- what is the Push switch used for? When do I use it?
* Normally, the button should be in the Off position (LED is not lit). Also when insering
the GAL chip or when removing the GAL chip from the ZIF socket the switch should be Off.
* When using Afterburner's PC app with commands to Identify (i), Read or Verify (r, v) or
Write (w) the switch has to be On (LED is lit).
* So in general: insert the GAL when the switch is Off, then turn the switch On, run the
PC app command. When finished turn the switch Off, remove the GAL chip from the socket.
- afterburner reports it can not connect to /dev/ttyUSB0, permission denied