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dfu mode works normally in usb mode the computer detects usb but i can not open file.

She was original build from straight out of the box

Please advise as to what version build prior to the malfunction that you were running? i.e. or was it using the original build from straight out of the box?

Petite question la mis à jours et validé

Hi Stefan my tx from the box worked a prfect for two days and then locked. Before locking I was editing channel settings for qudrocopter iachine e011 then switched off tx and went to lunch when I returned turned on tx was locked in usb mode. I tried everything from updates nothing happened replaced ent.button still locked.
I'll take photos of the base plate and upload photos to see if there's anything wrong with contacts
Regards Bojan

HI škrat14, was your TX working without the USB problem straight out of the box. If so can you remember what you did prior to the USB problem occurring?

Regards Stefan

Ah, I get it now. I'll try figuring it out.

it's Ok ! Thanks

Hi Biwoj,It happened to me transmitter locked in usb mode I tried everything replaced the ent switch.No better I wrote to banggood service and now I am waiting to mercy

It is 10 virtual channels (scroll channels down to virtual channels), they usually used as mediator for complex mixers. You can use it for setup multi-pos switch.

vlad_vy wrote: Probably something is wrong with filesystem. Try to format USB drive, write filesystem and use "Safely Remove Hardware".

I was just about to try this ( the problem came back after a while) when i saw there were other users with this same problem
( CYRF not detected). I installed the latest version (19/03) and that seems to have fixed things properly, thanks a lot!
I noticed all messages went to my spam folder, fixed that too I hope. I like this TX a lot and am determined to fix all eventual problems and get to grips with the software too. Thanks for adding the (trim) flight modes as well. Can you tell me how the "virt" switches work in this context?. Are they logical switches that can be programmed somewhere?

Thanks again,

Wim

Hi vlad_vy,

I'm generally available most days so if I can help resolve any other issues I'm always glad to help out.

Regards, Stefan

Thank you. I havn't ideas. Now I sure IR8M use 4IN1_FLASH for managing 4in1 module.

Hi vlad_vy,

I took my time over this didn't rush anything below are the results of the testing:

deviation-ir8m-v5.x.x-2018-03-21_delay_100 failed CRF6936
deviation-ir8m-v5.x.x-2018-03-21_delay_200 failed CRF6936
deviation-ir8m-v5.x.x-2018-03-21_delay_400 failed CRF6936

If you have any other angles or ideas you would like to try I would be more than happy to assist.

Regards, Stefan

Hi Biwoj, I'm really sorry for you I have had problems with my own IR8M but only with a broken right-hand Gimbal which took ages to get a replacement through Banggood. This is most definitely a hardware fault with your TX the problem points to the EXT button as the connection from this button appears to be a permanently made connection to produce this entering USB mode on power up. If you're able to remove the back of this TX again and track back the wiring of this button first to the PCB and check for any bridged solder joints to the PCB for this button. Don't be too concerned about finding other bridged connections on the main board because some are meant to be. While you have the back off try and take a photo of the PCB board and upload the image to this forum. If you have a multimeter do a continuity test across the button connections at a convenient point. If you get a sound/tone from the multimeter this would indicate a short and that the button connection is permanently made. This test will help to positively identify the fault for a fix to be recommended. If you really end up having to return this for a full refund and you still need a multiprotocol TX an option would be the Jumper T8SG or the new plus version which has Hall effect Gimbals.

Hi vlad_vy, I will be testing all the various delays 0.1, 0.2 and 0.4 as soon as I get back from the diabetic clinic this mourning. So I should be able to update you with the results by about 14:30 later on today.
Regards, Stefan

Hi Stefan,
thanks so much for your care and support.
i Try last time your advice and still nothing"(
I crying because i love too much this radio. now is all ready in rubish bin.
Im in Australia in this moment and dont have chance buy another one before my leaving.
Its so shame. unfortunately came new fpv camera today:/
Thanks again and wish you good day with this avesome product.
Just for information.. Do you have any idea what can happend? or was just wrong product?
Regards Radek

I see only one:
www.deviationtx.com/forum/builds/7605-ir...uilds?start=40#68208

Hi Stefan_UK,

I analyzed 4IN1_FLASH detection function and it can take much longer time than I think, so I prepared 3 test builds with 0.1, 0.2 and 0.4sec delays. I think 0.1sec delay will be enough. Can you test it?

Test builds:

Files deleted...

which one please ?