Oh, and please report back with your results.? Other members may also want to try AM.
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Doug, K8RFT

On Tue, Oct 26, 2021 at 05:59 PM, Howie WA3MCK wrote:

Tried modulation at 60 61 62 and 63

Try setting it MUCH lower, as someone else has suggested above.? Increasing the setting would make it even worse!
Try setting at 25, as Joel did.
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Doug, K8RFT

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Dale,

I think Xiegu needs to bless us with another firmware upgrade for the X5105, but my experience with them is that when they get a radio almost free of bugs they quit releasing updates. Never finished.

Joel
N6ALT

Joel

Hi Dale,

I just conducted a test transmitting with my X5105 on 10 meter AM and found it was really distorted at the the default AM modulation level of 60, but when turned down to 45 it sounded quite clear on the internal Mic and just slightly distorted on the supplied hand Mic. My Mic gain is set at 25 for external Mic and 30 for the internal Mic. A interesting note, with modulation set at 45 I get 5 watts carrier and with added modulation the power output drops to the 4 watt range, this is the same with both Mics. Odd that.

Joel
N6ALT

开云体育

Well, I have not tried AM, but the 'logical' reason would be overmodulation.

Check the manual (and adjust modulation level)-

System parameter configuration
?
Personalized settings can be achieved for transceiver in system settings menu to make it fit your using habit in a
better way.
Operation methods:
1. Press and hold [MENU] key for 1s to enter system settings menu;
2. Press [<] and [>] multi-function keys at the bottom of screen to call out the menu items you want to adjust;
3. Rotate major knob to set parameters you wanted;
4. Press [SAVE] key in a short time to save current settings and exit menu mode after setting.
?? If pressing [QUIT] key in a short key in step 4 mentioned above, new settings will not be saved and the
equipment will exit menu mode of the system.
?
?
Descriptions of system menu
?
Menu items? Function description? Settable values? Default
#1? LCD? Backlight? Displayer backlight brightness
OFF～LEVEL5? LEVEL5
#2? LCD Contrast? Displayer contrast ratio
0～30? 30
#3? BEEP Volum? System prompt volume
0～100? 50
#4? CW? Tone? Volum? CW sidetone volume? 0～100? 50
#5? Key BEEP? Key prompt tone? OFF/ON? ON

#6? AM Mod Level? AM transmission modulation degree? 0～63? 60

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Doug, K8RFT

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Mine also charges to 'about' 12.6.
I've never seen any info about the serial numbers.? I'd suggest asking the dealers, like Radioddity (where I got mine) or the newer dealer, Connect Systems.? It would be interesting to know!
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Doug, K8RFT

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Thanks Karl,

The radio is pretty much as new. I am just? not using it, preferring my monoband CW rigs for portable/hiking.
Comes with manual, original mic and data cable. $465 plus shipping from NC.
Tnx,
Dale W4OP

My internal battery charges up to 12.3V then says it's full. Is this about what others notice also? Another question, how can I tell when my X5105 was manufactured from the serial number?

Joel
N6ALT

On Thu, Oct 21, 2021 at 11:54 PM, Jim T ke8bho wrote:

I will try harder to get my information across.

That will help.? We can only know about what you actually write in your posts.

Now, what program were you using when you got the error - WSJT, or something else?
Is that the only error you've gotten?? If not, what others, under what conditions (software and hardware)?
?
"Hamlib error: Communication bus error while getting current frequency"
That might be affected by the communication data rate - try a slower (lower number" BPS setting.
It could also be caused by "stray RF" or electronic noise affecting the serial communication cable - try a shorter cable, or re-route your cable to try to keep it away from any electronic noise source (maybe a digital DC power supply, or the computer itself).? If the cable is long enough, coil it up to make an RF Choke, or put snap-on ferrite beads on it.? Since you're using the XGGComms Digimode-4, you might not have much choice about length or shielding, but even wrapping the cable around a piece of steel (like a bolt) would add a little noise choking.?

You also might not NEED to use Hamlib - I don't, with my X5105 or my IC-706.? But I have had comm errors, and it was from noise sources.

If your error(s) happen while transmitting, that would indicate that your transmitted RF output is getting into your Digimode cable or device.

When asking for troubleshooting help, try thinking of it like this -
I post a message asking for help because my car won't start.
It could be out of gas, but maybe the battery is dead and the starter doesn't even run.? Or I have the wrong car key!
? -? And all with that, we still started out with more information than "things don't work right."

I do realize that many, many people have not had the 50 years or so of hobby and professional experience at troubleshooting, diagnosis and repairing things that I've had, so it can take a lot of "prompting" to get the information needed for' remote diagnosis' and repair.

And, finally, in my case, I've only had experience so far with WSJT-X, and not other digital comm software, in the 3 years I've been using radio for digital ham radio.? I used the X5105 and FT-8 for about a month early this spring, while in Florida, and made contacts in 36 states, including Alaska and Hawaii, and about 35 countries, with it.? With my IC-706MkII at 20 watts (and 10 watts this year), I've confirmed 131 countries and 50 states with LoTW QSLs.
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Doug, K8RFT

Hi Doug,
I finally had time to take a look at things. I have WSJT-T loaded and running. I have the radio hooked up to my digirig mobile interface and configured. I have the Icom-IC7100 selected in the program setup and come up with this error "Hamlib error: Communication bus error while getting current frequency" I know that I am getting close, but any changes I have made to either the radio or settings has not been successful yet. Does this error message look familiar to you?? I look forward to getting this figured out with your help so that I can get on the air.

Thanks again for your help and patience. Thoughts, ideas, and information sometimes comes across in ways that I don't expect them to....? I will try harder to get my information across.

73
Jim
ke8bho

In addition, the old post #92 in this group has a schematic that was reported to be for the mic input circuit, but that's not guaranteed to be correct.? The diagram shows "PC board connections" type if information and does not show the mic jack connections.? It does show the wiring to the PTT switch - presumably the one on the radio.? The diagram appears to be just for a circuit board.? It might not be very helpful for the external wiring that we want to do.
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Doug, K8RFT

I have read somewhere about an encoder change, but on a different radio.? Try checking the Xiegu G90 group - maybe it was there.? Or at least maybe someone there has done it.
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Doug, K8RFT