‰ NOW 5 WPM ‰ TEXT IS FROM JANUARY 2016 QST PAGE 43 ‰ TRANSISTORS Q1 AND Q2 DO THE POLARITY REVERSAL. R1 AND R3 SET THE INDIVIDUAL LED FORWARD CURRENTS. NORMALLY, Q2 IS ON AND Q1 IS OFF. WHEN THE CATHODE OF DIODE D1 IS GROUNDED VIA THE MICROPHONE PTT SWITCH, Q2 TURNS ƒ QST DE W1AW ‰ OFF AND Q1 IS ON. CONNECT THE GREEN LED CATHODE TO THE COLLECTOR OF Q2 POINT KG, AND THE RED LED CATHODE TO THE COLLECTOR OF Q1 POINT KR. R5 SETS ‰ END OF 5 WPM TEXT ‰ QST DE W1AW ƒ