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Confirmed. The "B1" connector intended for vibration motor. The upper contact (-).

I used the excellent youtube 'iRangeX IRX-IR8M Firmware update' video, very clear for all steps, and all files required, and it worked a treat. The latest firmware version, as of now, on the Deviationtx website is dated 2018-1-31 Manual above is the correct one as the IR8M is DEVO 7E

antennenfreund wrote:

plmask wrote: Adjusting the fine frequency by 63 worked for binding the Frsky D8 receiver. Thank you.
Range check with 100uw worked at 30 feet.

30 feet?????

that is very very little. There you will have no problems.

3000 feet must go!

with Frsky and this station is only 200 to 400 feet!
That is far too little

His range test was done at 100uW, not full power.

SeByDocKy wrote:

plmask wrote:

SeByDocKy wrote: Yes +63

First, thank you for this information.

How did you determine +63 was the correct offset? I am interested in the details because I am an electrical engineer and want to understand the approach in case I run across a similar issue with other receivers.

Thank you again.

The classic méthod ..... First bind with a correct value .... watch the receiver led.... The led will start to blink slower when the RSSI will decrease..... Note the Lower bound, (+4 for me), the Upper bound (127).... and take the middle interval value

Thank you again for the reply.

You have great patience to determine the range!

This one is more appropriate for the iRangeX:
www.deviationtx.com/user-manual/user-manual-7e-10

This is the link www.deviationtx.com/user-manual/user-manual-6-8-12 to the manual that applies to the current core version of deviationtx which the iRangeX iRx-IR8M is loaded with there is no specific manual for this TX. I hope this helps? Regards, Stefan

vlad_vy wrote: You can "reset" any model to default state. At Model setup page, select "File: Load..." and scroll to "Reset", press ENT.

Thanks man appreciate it, is there a manual or guide on how to use this thing? I am a futaba user and this is way different for me. I couldn't even figure out how to setup dual rates.

plmask wrote: Adjusting the fine frequency by 63 worked for binding the Frsky D8 receiver. Thank you.
Range check with 100uw worked at 30 feet.

30 feet?????

that is very very little. There you will have no problems.

3000 feet must go!

with Frsky and this station is only 200 to 400 feet!
That is far too little

plmask wrote:

SeByDocKy wrote: Yes +63

First, thank you for this information.

How did you determine +63 was the correct offset? I am interested in the details because I am an electrical engineer and want to understand the approach in case I run across a similar issue with other receivers.

Thank you again.

The classic méthod ..... First bind with a correct value .... watch the receiver led.... The led will start to blink slower when the RSSI will decrease..... Note the Lower bound, (+4 for me), the Upper bound (127).... and take the middle interval value

SeByDocKy wrote: Yes +63

First, thank you for this information.

How did you determine +63 was the correct offset? I am interested in the details because I am an electrical engineer and want to understand the approach in case I run across a similar issue with other receivers.

Thank you again.

having the exact same problem

I think you have the problem RF module. There are many range and other problems with RF module. It looks like iRangeX have a quality problems with RF module.

Jumper T8SG use different version 4in1 RF module with shield and almost no complaints.

Me and my friend have really trouble using FrSky Recievers with this remote.
(We both own one)
Other recievers work fine (AFHDS 2A).
We bind the recievers and go in to the fine freq tuning on 10mW, we find the upper limit, and the lower limit,we take the average and set it to it.
When testflying this we cant get any decent range even with 150mW. (Remote was restarted after switching TX strength)
My micro dropped out of the air after 15 meters in a garage..
in an open space environment 50-100m is all we get using a FrSky R-XSR Ultra then it goes failsafe.
The Flysky X6B doesnt drop below 60 RSSI in the same environment.
Is it some bug or are we doing something wrong? Is it the internal Antenna or the TX module that is the cause of the problem?
Please Help.

Adjusting the fine frequency by 63 worked for binding the Frsky D8 receiver. Thank you.
Range check with 100uw worked at 30 feet.

Yes +63

SeByDocKy wrote: For my IR8M, all FrSkyX D16 receiver needed a Freqfine set to 63... So I guess it will be requiered also for the D8 protocol

For the fine tuning option, I assume the 63 is shifting the frequency positive by 63 steps? Also, how did you determine 63 was the right number?
Thanks.

I have not tried tuning the frequency. I will give it try tonight. Thank you.

You can "reset" any model to default state. At Model setup page, select "File: Load..." and scroll to "Reset", press ENT.

can any1 plz tell me how to delet a model?

For my IR8M, all FrSkyX D16 receiver needed a Freqfine set to 63... So I guess it will be requiered also for the D8 protocol