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I just checked HRO. It's listed but no stock. -- 73, Norm/KC1BMD

Yes, check out the group. A number of the packs overcharge the cells. It would seem they do have a fix for it but apparently the USA service shop is not ready to receive them yet for repair.

Anyone know what happened to BP-500, its not listed on HRO OR desert wireless store anymore. Are they having issues with it ?

Hi, My BP-500 arrived yesterday. I had pre-ordered it back in March from HRO, and it was one of many which were held up in customs. Like some others, mine arrived missing the 18650 cells. HRO sent

Thanks for the quick responses.? I did leave the battery pack installed and then used battery power to do the upgrade.... all went well. Thanks for the help to all who gave directions. 73...Steve

You can leave the battery pack connected but it's not how you power the radio for a firmware update because it will not stay on. Instead, supply power to the radio via its 12v connection. Detailed

You can use TX500 with battery attached and power supply connected to the radio OR to the battery. But NOT both. It's stated in the manual. So, you don't have to remove BP. Just plug external 12V to

I have just installed the battery pack and went to do a software update.? I would like detailed instructions as to how to update. Questions.... Do I have to dismount the battery pack? do I plug in

Tom, I have just put a fully charged battery set in so it will be some time before I will be able to check.? Additionally, I am not sure how the test should be done.? Be glad to help.

Steve, Please test for the battery charging overvoltage problem and let us know what you find. 73, Tom Sent by phone, please forgive my brevity and poor typing.

Looks good. Can I just check that there is definitely no connection between speaker + - and gnd? 73 M3KXZ

I ordered my bp500 from HRO a few months ago and it was shipped from FL. a few days ago.? It should arrive tommorow Friday 13 Oct... I hope that is not a jinx... hi hi.? Just letting you know they

Don't forget that phones middle point (ground) has supply voltage /2 DC and must be isolated from common ground (transceiver and mic). That's the reason why phones jack sleeve is unconnected in Lab599

Please see my post for a headset adapter. It works great. 73 David, WA7TNT

My recollection is that some OEM adapters require a stereo to mono adapter plug to use some headset plugs because of incorrect wiring or grounding

I was trying to wire my mono headset to work with tx500. According to the sources I found on Internet that proper way of wiring mono speaker to TRS connector is to do it as follow: ``` S <-> Speaker

I have the same noise.? Here is the response from the US support team... "My understanding from the factory engineers is that this noise occurs in the newer models, it seems to be due to some

Thanks Tim. I'm give it a shot this weekend. Steve

Hi Steve, The DIF icon can be seen on page 9 of the manual, which expands it to "Virtual intermediate frequency ON" which is covered on page 16 where its called IF DSP. IF DSP: Virtual Intermediate

It is an option in the menu bar on the screen at the bottom next to AGC