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HelicopterRadio - Futaba FASST › 14SG mapping switches to a Skookum 720BE w/GPS,​need help
02-21-2017 05:31 AM  9 months agoPost 1
DennisH

rrApprentice

Baton Rouge​Louisiana USA

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I am having trouble mapping the SB and SC switches to the AUX 2 and AUX 4 in my Skookum 720 software. I want these switches to control the GPS functions 1 & 2 in the Skookum GPS.

One issue, some areas list the 14SG switches 1-12, and the book refers to them as 2 letter acronyms. Unless all start with "S", then A, B, C, D, etc., unless you are supposed to refer them to 1, 2, 3, 4, etc. or S1, S2, S3, S4, etc.,

Not trying to confuse anyone, I am just wanting to map the SB and SC to Aux 2 & 4 in the Skookum GPS Software Control Panel.

I am using the 7008 Futaba receiver linked to the Skookum 720 via 1 SBUS cable. (one cable-Fasttest mode) All functions are working fine, just need to get the switches mapped, and I should be ready for flight testing.

I believe I am close, but not there as of this post.

Thanks, Dennis

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02-22-2017 03:07 AM  9 months agoPost 2
balsabasher

rrVeteran

Central Ohio, USA

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I do not have a 720 or a gps module but I have a 14sg and the Skookum software.
Have you tried in the 14sg menu Linkage-Function pg. 2 channel 7 assign "Aux2", control "SB" and pg. 3 channel 9 assign "Aux4", control "SC"?

Blades; what goes around, comes around!

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02-22-2017 12:45 PM  9 months agoPost 3
DennisH

rrApprentice

Baton Rouge​Louisiana USA

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I do not have a 720 or a gps module but I have a 14sg and the Skookum software.
Have you tried in the 14sg menu Linkage-Function pg. 2 channel 7 assign "Aux2", control "SB" and pg. 3 channel 9 assign "Aux4", control "SC"?
You hit the nail on the head! It worked, I set it up exactly like you stated above. All my GPS functions and the SL function have proven out on the bench, the LED's are lighting just like their suppose to, servos are looking great. Plus, the Skookum Software confirms it's reading the switches correctly. I had to put a value in before they worked, it's the next field to the right of where you put the SB or SC. This was for the GPS setup only, all others were a piece of cake.

My transmitter battery is almost dead and I am recharging it now.

To the right of where you assign the switch (SB SC), the trim value is zero. I put a value of 10 in each box, and that's when it started working!

The only thing, I assigned the SH switch to my "Hold" function, (it's on the Rt side, the switch furthest out) It works, but what I would like is for it to engage (kill the motor) when pulling the switch towards me.

As it is now, to start, you must pull the stick towards you, to kill it (or HOLD), you must push it away from yourself. I was in the middle of trying many things when the battery buzzer went off in the Radio!

Plus, the throttle values doesn't match the SK software. Where it shows the "throttle" figure, it's backwards, or opposite of what it should be reading

When the collective lever is down, 0 throttle, it shows 100% throttle in the SK software, and at wide open it shows "0". Again, I want this to match, when in WO throttle, the software also should read 100, but it reads 0. Then when you pull the throttle all the way down (neg collective) the SK reading shows 100%. I don't want this to cause a failure with the SK.

Any easy way to reverse this switch reading? If there is, well I should have found it, but I guess I am getting tired which may be a factor.

It's backwards from I am use to. I have always pulled the switch towards me to kill the motor. I will probably go straight to it later today.

Once I get this corrected, it should be ready to fly. I am just so use to pulling the HOLD switch lever towards me to kill the motor, I am afraid I will get confused one day, plus I want to keep all models in sync. I don't want to lose a Heli as I am building 3 scales this year, so the electronics have to be 100% correct.

Thanks for the great help, I can't wait to fly this one.

I feel like I have learned a lot about the Futaba SG14's in the last few weeks, and I almost gave up, but I liked many of the features I was seeing, plus you wouldn't believe the support I was getting from Forum Members. Many told me it would be worth my while to learn this Radio. Thanks to all for the great advice.

It's taken a few days, but I am getting where I can work my way around in the Futaba. My 1/4 Scale MD500 has SBUS servo's, so I am forced into learning how to work these mystery Servo's! So far, I am liking what I see. Servo combinations with the Futaba is endless!

Thanks, and let me hear from everyone and their experiences with the SG14 controlling a 720, a 3SX, a Wookong, and yes a NAZA-H, along with process that "are not" in the manual.

Thanks,
Dennis

PS: I was kind of tired when I wrote this article. Let me know if I messed up and I will correct it. My eyes are barely open now, so it's time to get a "few" hours of sleep. This is what this hobby will do for you.

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02-22-2017 11:55 PM  9 months agoPost 4
DennisH

rrApprentice

Baton Rouge​Louisiana USA

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The only thing, I assigned the SH switch to my "Hold" function, (it's on the Rt side, the switch furthest out) It works, but what I would like is for it to engage (kill the motor) when pulling the switch towards me.
Looks like I have this figured out as well. It was staring me in the face, I just didn't see it. I believe I was getting tired.

I want to test fly the bird before saying anything else.

Dennis

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02-23-2017 04:15 AM  9 months agoPost 5
DennisH

rrApprentice

Baton Rouge​Louisiana USA

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Well, I thought I had it, but I was mistaken.

Now if I can figure out how to map the "Throttle Hold" switch correctly to the "SH" switch on the 14SG transmitter, I would be in good shape.

It works, but it's backwards. And it's not as simple as reversing the switch in the transmitter. I have tried several times, in several different areas.

The bad part about it, the "Hold" shows up on the LED screen when you engage the throttle hold, and when you release it, it goes back to normal!

But the motor does just the opposite, runs while in Hold Mode, stops when Normal Mode.

Plus, the Skookum software is reading correctly, it matches what the transmitter is showing.

HELP!

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02-23-2017 01:50 PM  9 months agoPost 6
balsabasher

rrVeteran

Central Ohio, USA

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Now I am assuming that you are running a gas or glow engine.
Now we need to get on the same page on 14SG radio terms/language.
"Throttle hold" (in the Linkage menu) normally is a term that when engaged, the engine is held at an idle position. For safety or auto rotations.
"Throttle cut" (in the model menu) normally is a term that when engaged, the engine is stopped or "killed".
Please let me know which one you would like to set up. Or I will assume the throttle cut one.
Btw, if you have a manual page 83 has the instructions for setting up throttle cut and page 154 has the instructions for throttle hold.

Blades; what goes around, comes around!

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02-23-2017 05:06 PM  9 months agoPost 7
DennisH

rrApprentice

Baton Rouge​Louisiana USA

My Posts: All  Forum  Topic

Now I am assuming that you are running a gas or glow engine.
Now we need to get on the same page on 14SG radio terms/language.
"Throttle hold" (in the Linkage menu) normally is a term that when engaged, the engine is held at an idle position. For safety or auto rotations.
"Throttle cut" (in the model menu) normally is a term that when engaged, the engine is stopped or "killed".
Please let me know which one you would like to set up. Or I will assume the throttle cut one.
Btw, if you have a manual page 83 has the instructions for setting up throttle cut and page 154 has the instructions for throttle hold.
Thanks, It's an electric Helicopter. Yes, I have a manual and have referred to it many times. The 14SG is new to me and has many functions my other radios don't have.
"Throttle cut" (in the model menu) normally is a term that when engaged, the engine is stopped or "killed".
Throttle Cut is the term. Another words, when working on the Heli or I have an emergency and need the "kill" the motor instantly, this is what I am setting up. When working or adjusting the servo's, I engage the Throttle Cut so the engine won't spool up. I can operated all servo's and set them as necessary, plus check my main rotor blade pitch. Please advise if this is not the correct way.

I followed your instructions above. Everything is working like it should. I have the "Throttle Cut" mode mapped to switch "SH" on the radio.

The switch when pushed away from you, forward, is the normal operating mode for the Heli. When I pull the SH switch towards me, the engine instantly cuts off no matter what situation I am in. It's the main safety kill switch. I can still operated the sticks with all servo's operating.

The problem now I am having is the display on the LED screen. When in normal flying mode, the LED show "HOLD" status. When I kill the motor by pulling the switch towards me, the motor does kill, but the LED screen shows I am in the normal position. I have tried to reverse this, but I have not been successful. I have searched the manual, plus watched about every video I could find, which there are many out there on the Futaba.

So just to clarify, I have not flown the Heli as I wanted all functions and equipment working correctly on the bench first. Every function is working.

I just want the LED screen to read correct, and match the controls set up on the radio.

Please let me know if you need further information. I like the 14SG, and it's been a learning experience, and it looks like I will be learning a lot more about all the functions available on this radio.

Thanks, Dennis

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