JUMA Amateur Radio Forum

I did not select F-SENSE mode. I used kx2/kx3 in "auto band detect". The cable in the rs232 socket was a cross-wire of tip and ring. It was normal when used before (including ft8). After the O/C over-current alarm appeared, the ft8 operation began to have problems. The firmware of the amplifier is ...

Thank you 5B4AIY, thank you for your suggestion, I will follow your suggestion to check, thank you. Another question: During use, using CW or SSB, the amplifier works and displays normally, but when performing Digi data communication (such as FT8), at the beginning of transmission (TX), the band ...

My PA-100D has been working fine since I bought it, but I recently found that in normal STBY standby mode, after a period of standby or sending some cw in OPER mode, PA-100D will alarm, and it cannot be eliminated by PWR power supply. After observation, it seems to be a HI Cur fault, because in ...