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Which version?
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Gyula HA3HZ
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I have not familiarised myself with this new one, but a common problem is the barrel jack input......ensure you have the correct
centre pin sized jack or you wont get connection.....so easy to get caught out on these infernal plugs.
Dave
G4JBE
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Good morning all,
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I have been interested in the SDR rig and finally picked one up yesterday. I looked up the manual, watched a few videos but cannot figure out a few things. #1 when i touch the KBD OFF button, the radio shuts off. #2 there is no SET button which should be next to WEB button.
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It appears that I have a full screen but the resolution is too large. I have no access to the settings menu to adjust.
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The main problem with this is the call sign and grid are not mine.
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Thanks for the help.
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73, Dean/ N2TNN
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Uploaded fine ... but shows up as v1.04
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USB-C with PD are a better solution as they are less likely to be producing noise. However, you should note that the power bank has to be big enough to provide 3 A @ 9V.
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Hello Ragav,
Thank you for preparing the new manual.
For document control purposes, PLEASE place a Revision Number such as V1.0 and a DATE, such as March 30, 2025, on each issue and keep that up-to-date as you make changes.? Thank you!
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Glen, WB4KTF, Austin, TX
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? -- Glen, WB4KTF, Austin, TX
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Show quoted text
Couldn't download zbitx_front_panel_sw.ino.uf2 from HFSIGNALS page.
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Downloaded code from zBitx page.- zbitx_front_panel_sw.ino.uf2 dated 3/30 9:15 AM.
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Xfer to zBitx - no response (stays on gray screen)
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Xfer v1.04 and zBitx reboots to 1.04.........
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Couldn't download zbitx_front_panel_sw.ino.uf2 from HFSIGNALS page.
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Downloaded code from zBitx page.- zbitx_front_panel_sw.ino.uf2 dated 3/30 9:15 AM.
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Xfer to zBitx - no response (stays on gray screen)
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Xfer v1.04 and zBitx reboots to 1.04.........
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Re: zBitX ft8 TX signal comes speaker
Yes, drive is set to 100 and I am using the native application. The voltage coming off the barrel connector of the included battery holder is 7.56(display shows +7.4v) with 2 brand new fully charged 18650s. If I select CW there is no RF power out and the sound comes out the device speaker. ?Power out shows 0w and swr is 0, also confirmed with a watt meter.
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Strange, I went to that url last night and there was no manual there only a page that said there was a place holder, but it appears to work now.
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--ben?
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Seems like a little work with a volt ohm ?meter would bring clarity to lots of these situations?
Gordon kx4z?
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On Mar 30, 2025, at 08:16, EB3AM Jordi via groups.io <eb3am@...> wrote:
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I watched the video you made.
I would try some things.
You should know that the USB cable to the CAT connector only powers the screen, not the raspberry pi. Therefore, it will never turn on.
I would connect a 6 to 9v dc power supply different from the one in the battery socket.
let's see what happens. It could be a problem with the battery cable.
Someone said that the battery cable connectors have failed...
If that doesn't work, then we have a problem with the radio's motherboard. But that's strange, since the radios are tested and adjusted before shipping.
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I watched the video you made.
I would try some things.
You should know that the USB cable to the CAT connector only powers the screen, not the raspberry pi. Therefore, it will never turn on.
I would connect a 6 to 9v dc power supply different from the one in the battery socket.
let's see what happens. It could be a problem with the battery cable.
Someone said that the battery cable connectors have failed...
If that doesn't work, then we have a problem with the radio's motherboard. But that's strange, since the radios are tested and adjusted before shipping.
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Ragav,
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Yes, I can download now.? Thank you!
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73
Evan
AC9TU
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D'oh! The sharing was restricted earlier, Evan.
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I've changed it to public now. Can you try it now?
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73,
Ragav
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Re: zBitX ft8 TX signal comes speaker
Ben,
Can you confirm that the drive is set to 100? Are you transmitting FT8 from the native application or are you using a third party program like JTDX? Can you please confirm the input voltage and if you are getting power output on CW.
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?The manual is up on .
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73,
Ragav
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Hello Ragav,
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I tried downloading the zBitx manual but was told I did not have access.? Did you intend to restrict access?
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I did request access through the pop-up web page.
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73
Evan
AC9TU
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Hello folks,
The zBitx user manual is available for download on
If you are unable to find what you are looking for, please send us an email (support at hfsignals dot com)
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73,
Ragav
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Mike,
We haven't received your email in our inbox. Can you please resend it to sales at hfsignals dot com and also mark support at hfsignals dot com on CC for good measure. I've raised this issue with my team and will get back to you on this as soon as I can.
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Thanks for your patience.
73,
Ragav
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Re: sbitx v3 no output after upgrading to 64bit
Did you copy the contents of the /sbitx/data folder from the 32-bit uSD to the same location on the 64-bit OS?
This requires an intermediary USB stick, to which you copy from the 32-bit, and then copy back from the same to the 64-bit.
Have you done this?
--
Gyula HA3HZ
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HA3HZ
Sam Hanie
Glen Jenkins WB4KTF
EB3AM Jordi