Ham STAMPFL RF SHARK, Инструкция по сборке

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BACKSIDE: 14
POSSIBLE ERRORS AND CAUSES
Error: button (s) do not light up.
Cause: The button (s) are installed rotated by 180 degrees.
Error: display shows nothing.
Cause: Contrast POTI of the LCD display is not adjusted.
Cause: ATMEGA 644 not correctly in the socket.
Error: frequency falls when turning the encoder clockwise.
Cause: The green and white wires of the rotary encoder are soldered in the wrong position.
Installation 0.1 µF capacitor
This capacitor serves to debounce the ATT button. Bouncing is a mechanically
triggered interference effect in electromechanical switches and buttons.
As far as the electronic assembly of the fi first board is fi finished and we continue
after a break with the assembly of the receiver board.