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Do you, by any chance, on 20m band? I have _exact_ same problems on 20m, it's RFI and it kills CAT. The "fix" for now, until i shield most of stuff, is switch to VOX PTT and adjust mic gain in digital

I've been using the TX-500 for about a couple months now, including digital modes without and problems until I started running into two problems on the last two outings.? I am running a GPD Pocket 2

Hi Steven, just write me an email. 73, DL4KA

It's in the full manual - https://lab599.com/upload/Lab599-TX500-User-Manual-EN-v03-2021.pdf, page 24. Before updating you need to put tx-500 in firmware update mode: Then update app will be able to

I would like to order one as well. Thanks & 73, de Steve W0ARK

Hi, downloaded the firmware updater from lab599 and latest firmware. When running the firmware updater, it says it cannot find the device. Can't find a detailed procedure on their site for updating

So specifically how would i purchase the 80 watt unit? Im in the USA DRS

Pays to whine!? came in the mail yesterday!? Whooooo Hoooooo!

The volume of the sidetone can be adjusted by the AF Gain while TXing. Check in the display on the right hand side "AFxx" while sending. May be it's zero... 73 de Axel, DL7VEA

Hello John, Yes, I did do a power ON reset.? Yet there is still no side tone. Glen - WB4KTF, Austin, TX USA

Did you do a power on reset after firmware upgrade? Glad to help by the way! John N7ROJ

One more point, When VOX is turned ON, no Sidetones, BUT when VOX is turned OFF I do hear the CW sidetone, wierd ????? Glen - WB4KTF, Austin, TX USA

Hi, Yes, I did get a response from John at the LAB599 Service center in USA and he sent me a link to a YouTube video on how and where to find the old drivers.? Problem is now fixed. I upgraded to

I use the old version PL2303 in a some homebrew projects here (unrelated to the TX500); with Windows 10 64 bit version, I found it was necessary to uninstall/remove any driver PL2303 Windows 10 tried

This is very well-known issue with prolific. Can't recall details, but they essentially blacklisted older models because they were cloned too much. Doesn't matter if you have genuine version or

I went to a different PC at home and I do see the Prolific USB to Serial converter plugged into Port and it is labeled as COM 3, yet when I open up the "LAB599 updatefirmware" installer, the COM port

I cannot get the firmware update application to function on my new Windows 10 Pro PC. The Programming cable USB port does not appear on my Ports (COM & LPT) in a useable form.? I see an error

Has anyone connected a MX-P50A amplifier to their TX-500? Did you use this wiring: TX-500 (REM/DATA)? ? ? ? ? ? ? ? ? ? ? ? ?MX-P50A (ACC) Pin 7 GND? ? ? ? ? ? ? ? ? ? ? ?

Julian - Thanks for taking on the 'risk' for the rest of the community :) I have no doubt you'll put it through its paces and won't hold back if there's issues. Looking forward to post/video on it as

Julian, Thanks for your information. I look forward to your post and video on the PA500. I am excited about getting one of the PA500 to try with my TX500 this summer. 73, Henry - K4TMC wrote: