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JR and Spektrum Radios and Electronics JR and Spektrum Radios, Gyros, Servos, Etc.


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Old 02-19-2021, 02:07 PM   #1 (permalink)
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Default DX9 switch position question

OK, I just got a 2nd hand DX9 gen2 black. The flight mode (switch B) is reversed, so normal is where mode 2 normally and mode 2 is where normal usually is.

The person I bought it from says he changed this in software and not physically rotating the switch. But I cannot see anywhere that the actual switch position can be changed.

So when the switch is all the way back it is showing position 2, when all the way forward it is position 0.

Is it even possible to change that in the software? I don't think so.
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Old 02-19-2021, 04:07 PM   #2 (permalink)
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Im confused as that is completely normal? 0/normal is all the way forward on the DX9 flight mode switch, stunt one is the middle and stunt 2 is all the way back on switch B unless what you are calling back is actually "forward"? The sticker label shows this as well

Even so, there is a flight mode setup menu under system setup, and the digital switch menu in the normal menu will allow you to customize what the switch positions do on any switch
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Old 02-19-2021, 05:09 PM   #3 (permalink)
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Quote:
Originally Posted by Xrayted View Post
Im confused as that is completely normal? 0/normal is all the way forward on the DX9 flight mode switch, stunt one is the middle and stunt 2 is all the way back on switch B unless what you are calling back is actually "forward"? The sticker label shows this as well

Even so, there is a flight mode setup menu under system setup, and the digital switch menu in the normal menu will allow you to customize what the switch positions do on any switch
No, it is opposite of what is normal. Pardon my use of words like 'forward' and 'back'.

I'll explain it this way, if you lay it down with the sticks facing up - the FM position that is also 'up' will be position 2, push it down one and it's position 1, and all the way down is position 0 - same as what is written on there. That's what it should be.... but this one is 180 degrees away, it is the opposite, the position that is all the way up is normal mode.

I know you can go in and name position 0 as flight mode 2, or you could call it anything you want. But I see no way to reverse what is 'pos 0' and 'pos 2'. If there is a way to change that I sure haven't seen it :-o

And if you go into throttle or pitch curves, you'll see that 'N 1 2' indicator for what curve goes with what position.

It sure looks to me like what the TX considers position 0, 1 and 2 appear to be hard-wired.

Yes, you can change what the positions do, but I don't think you can actually change the positions without physically rotating the switch.
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Old 02-19-2021, 05:16 PM   #4 (permalink)
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Once place that it could be changed is in “servo setup” I think it’s called. Under the reverse tab, reverse could be checked.

There’s another place that has to do with specific switches but I can’t remember.
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Old 02-19-2021, 05:22 PM   #5 (permalink)
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Quote:
Originally Posted by xoexoe View Post
Once place that it could be changed is in “servo setup” I think it’s called. Under the reverse tab, reverse could be checked.

There’s another place that has to do with specific switches but I can’t remember.
There is no reverse for switch B or flight mode - only the main channels and four aux's.
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Old 02-19-2021, 05:25 PM   #6 (permalink)
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What about System Setup > Digital Switch Setup
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Old 02-19-2021, 05:26 PM   #7 (permalink)
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Originally Posted by trillian View Post
No, it is opposite of what is normal. Pardon my use of words like 'forward' and 'back'.

I'll explain it this way, if you lay it down with the sticks facing up - the FM position that is also 'up' will be position 2, push it down one and it's position 1, and all the way down is position 0 - same as what is written on there. That's what it should be.... but this one is 180 degrees away, it is the opposite, the position that is all the way up is normal mode.

I know you can go in and name position 0 as flight mode 2, or you could call it anything you want. But I see no way to reverse what is 'pos 0' and 'pos 2'. If there is a way to change that I sure haven't seen it :-o

And if you go into throttle or pitch curves, you'll see that 'N 1 2' indicator for what curve goes with what position.

It sure looks to me like what the TX considers position 0, 1 and 2 appear to be hard-wired.

Yes, you can change what the positions do, but I don't think you can actually change the positions without physically rotating the switch.
Ok that makes sense, but you say the complete opposite in your third paragraph of the original post which is exactly how it should be and what was confusing me.

Yeah, Im not sure how he would have reversed it as I have never had the reason to do so myself ever personally. Not sure if you have an RCG account, but one of the long time Spektrum TX developers is over there (Andy Kuntz) so maybe hit him up for advice if you do. I know he has helped many with complicated custom mixes and other functions over the years

Also dumb question, but have you downloaded the manual and checked there yet? Its a big PDF and there are actually more flight modes than just the three switch positions that can be configured (5 or 10 if I recall correctly), but I have no idea if this is the solution or not, but it cant hurt to go through the manual if you haven't already
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Old 02-19-2021, 05:40 PM   #8 (permalink)
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Originally Posted by Xrayted View Post
Ok that makes sense, but you say the complete opposite in your third paragraph of the original post which is exactly how it should be and what was confusing me.
No, I said it correctly :-) I guess somehow it just wasn't clear. When I say 'forward' I mean toward myself facing the front of the TX. 'Back' is toward the rear of the TX..... The way it is, is the opposite of how it should be.

When it's all the way 'back' it SHOULD be position 0, but it is not.

He was also flying planks with it, so I think maybe he used switch B for something else entirely. And I think he surely must have just physically rotated it 180 degrees.

Yeah, I have downloaded the manual.
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Old 02-19-2021, 05:47 PM   #9 (permalink)
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Originally Posted by trillian View Post
No, I said it correctly :-) I guess somehow it just wasn't clear. When I say 'forward' I mean toward myself facing the front of the TX. 'Back' is toward the rear of the TX..... The way it is, is the opposite of how it should be.

When it's all the way 'back' it SHOULD be position 0, but it is not.

He was also flying planks with it, so I think maybe he used switch B for something else entirely. And I think he surely must have just physically rotated it 180 degrees.

Yeah, I have downloaded the manual.
Ha, yeah we are talking a different language then as I refer to switch position based on me and not the TX itself. I push a switch "forward". I pull it "back" toward me, but now Im finally on board with what you are saying

Yeah, the planks may be the issue then as the plank setup has a flight mode configurator tool function where you can create many different modes as sailplane guys use multiple flight modes. Check it out in the manual as I recall it describes all of this and maybe you can get it back to normal.
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Old 02-19-2021, 06:27 PM   #10 (permalink)
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Well, I started by deleting any models in it and starting with a new model, heli mode.

Yeah sailplane mode has all sorts of FM options, but I still see no way to swap around the actual switch position :-o

I'm just going to sell it on, (it's also a real pain in the rear to change to mode 2, I'm just not setup for surgical work like that - I didn't realize that before I bought it :-o But, so it goes)
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Old 02-19-2021, 06:53 PM   #11 (permalink)
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I've had mine open to replace switch B which broke when I dropped it once. It's pretty easy to do. So consider swapping the outer two wires around. It's like outpatient surgery
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Old 02-19-2021, 09:06 PM   #12 (permalink)
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I'm not sure if this helps answer the question
The physical positions for switch B is shown on the label in this picture (a dusty DX9) and this lines up with the software.
If the physical positions do not match what you want them to be in the radio, there is a software setting to reverse it.

In the defaults of the DX9,
Pos0 = "Norm"
Pos1 = "FM1"
Pos2 = "FM2"
It is the same in my old DX7 (OG) and my newer iX12

If you want to "reverse it", then check in the "Digital Switch Setup" menu.
Function List (press the scroll wheel once) and scroll down to "Digital Switch Setup" and select it.
Scroll down 1 box to "Switch: Select" and press once - the box will start blinking.
Scroll down to "Flight Mode" and press once.
Then scroll down and change what you like.
By default,
"NORMAL:" = -50%
"FLIGHT:" = 0% (aka: FM1)
"FLIGHT" = 50% (aka: FM2)
I think if you flipped NORMAL and FLIGHT values, that would un-reverse them (or reverse them if you like)

Or... (but do not do both).

Continue to scroll down to "Switch B" and press once.
Then scroll down and change what you like
My bet is this is the one that was reversed.
By default,
Pos 0: = 100%
Pos 1: = 0%
Pos 2: = -100%
If you flipped Pos 0: and Pos 2: values, that would un-reverse them (or reverse them if you like)
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Old 02-20-2021, 07:55 AM   #13 (permalink)
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Thanks. Yes, I have seen all those menus. None of those will actually reverse the switch position - hence it is written on the case - that is NOT changeable via any of those menus. (it is currently set exactly per your example in the digital switch menu for flight mode and switch B, and yet the switch positions are swapped).

Yes, you can change the function of any switch position. But as far as I can tell, you cannot change the actual switch position. So the previous owner of this TX must have physically changed the switch, either by rotating it or swapping some wires.

If you changed those values, as you mention, it should work, but in your throttle and pitch curves you will always have the mode indicator reversed (ie: 'N' will be idle-2, '1' will be idle-1 and '2' will be N)




Quote:
Originally Posted by ticedoff8 View Post
I'm not sure if this helps answer the question
The physical positions for switch B is shown on the label in this picture (a dusty DX9) and this lines up with the software.
If the physical positions do not match what you want them to be in the radio, there is a software setting to reverse it.

In the defaults of the DX9,
Pos0 = "Norm"
Pos1 = "FM1"
Pos2 = "FM2"
It is the same in my old DX7 (OG) and my newer iX12

If you want to "reverse it", then check in the "Digital Switch Setup" menu.
Function List (press the scroll wheel once) and scroll down to "Digital Switch Setup" and select it.
Scroll down 1 box to "Switch: Select" and press once - the box will start blinking.
Scroll down to "Flight Mode" and press once.
Then scroll down and change what you like.
By default,
"NORMAL:" = -50%
"FLIGHT:" = 0% (aka: FM1)
"FLIGHT" = 50% (aka: FM2)
I think if you flipped NORMAL and FLIGHT values, that would un-reverse them (or reverse them if you like)

Or... (but do not do both).

Continue to scroll down to "Switch B" and press once.
Then scroll down and change what you like
My bet is this is the one that was reversed.
By default,
Pos 0: = 100%
Pos 1: = 0%
Pos 2: = -100%
If you flipped Pos 0: and Pos 2: values, that would un-reverse them (or reverse them if you like)
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Old 02-20-2021, 12:01 PM   #14 (permalink)
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trillian, if you make up a new model and set it up as you would normally do, and the switch is still not +100 in position 0 and -100 in position 2, then loosen off the nut that holds the switch in its current orientation. Rotate it 180 degrees and tighten it up. The issue should then be solved. No matter what the original owner said, everything you have said points to the switch being rotated or the wire switched from one end of the switch body to the other.

When I look at a standard Flight Mode setting in the System/Digital Switch Setup, my numbers for a standard three mode flight mode are as follows. Hold = -100, Normal = -50, Mode 1 - 0, and Mode 2 = 50. Switch B is as follows. Position 0 = 100, Position 1 = 0, and Position 2 = -100.

If you have the same results as above, then you can easily rotate the switch once the nut is loosened and spin it, tighten it, and save yourself trying to sell it and have it come back to you. Hope this helps.

Don
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Old 02-20-2021, 01:56 PM   #15 (permalink)
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Quote:
Originally Posted by Keyrigger View Post

If you have the same results as above, then you can easily rotate the switch once the nut is loosened and spin it, tighten it, and save yourself trying to sell it and have it come back to you. Hope this helps.

Don
Weeeeeeeell, not on this one. Just loosening the nut on top will not do it, it only goes about 45 degrees, if that. Nowhere near rotating 180. I'd have to pull the back off - easier just to tell the buyer switch B is rotated :-)

--- It's already sold now, in fact I had two potential buyers and both were cool with the switch situation. I have a DX18 coming, hopefully this week :-)
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Last edited by trillian; 02-21-2021 at 09:49 AM..
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