I am a beginner in QA. I use HC2 but I want to change it to HC3.  I have one VD CHECK BATTERY  Can anyone help me to change it to QA . Thanks   Please login or register to see this image. /monthly_2022_04/VD.jpg.d0249145cac80007da9b8665e7155c51.jpg" /> Please login or register to see this attachment.