Once I had uploaded all four and reset it all was fine again - apart from I had lost all my settings.Īnother quick hint. If your FT-991A does not have them already, please update all firmware, they must be used together. To be fair it does say in the instructions: Reading around the internet I found that you have to upload all four of the Yaesu firmware updates - the main, the TFT screen, the DSP and C4FM. Once I had completed it I rebooted the radio, but it wouldn't - all I had was the Yaesu screen.Īrrrgghh! Now what. So, following the instructions, I first uploaded the main firmware - and this is where I came unstuck. However, I checked and found that the FT-991A's firmware (including C4FM) was out of date and thought that an update might improve things. Also, I live about half a mile from the police headquarters and do suffer some desensing on 2m if I use a cheap handheld like a Baofeng connected to my 2m antenna.

I did wonder if the signal strength is sufficient, but it is S9 +30db.

Half the time it was unintelligible and pretty awful to be honest. I wasn't impressed with the audio though.

Ft 991 yaesu programming software