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Range check issue

Submitted by JonB on Sun, 2008-07-06 09:55.

After yacking with lots of people about radios I decided to go with the DX-7 and the AR6100 receiver for the new electric arf I'm finishing.

The problem I'm having is the receiver doesn't pass the range check. I've pulled the receiver out of the aircraft. Made sure the antenna wires are out. Still, it starts dropping out at 20-30 feet or so. When it drops out you loose control for 5-30 seconds. I assume the park flier receiver should pass at 90 feet. Is that right?

[edit1]

I just tried the AR7000 receiver that came with the transmitter and it easily makes 90 feet with no problems. It's not in a plane, it's just the battery, receiver, and one servo.

[edit2]

I pulled the AR6100 out of the plane and swapped it into the rig I just tested the AR7000 in. It works to 20 feet. Between 20 and 40 feet I notice problems. By 40 feet it doesn't work at all. It does seem to work a little better out of the plane but not much.

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So I remembered reading

Submitted by JonB on Sun, 2008-07-06 17:21.

So I remembered reading something about needing to rebind the receiver... when... something about the throttle... Anyway, I rebound the receiver and now it seems to work. Strange. I had bound the receiver last week. I did make loads of changes to the DX7 after I bound it. I may have done a reset on that model's memory.

Do you find you have to rebind after you make changes to the model's settings? Am I expected to rebind after any changes I make?

[edit]

I put the receiver back into the airplane and I can find antenna orientations that fail range check.

How should the receiver's antenna be oriented?

Is it always this flakey or is this a bad receiver?

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JanHyde's picture

AR6100

Submitted by JanHyde on Thu, 2008-07-10 14:56.

Last I heard,the 6100 should have a sticker on it to be the updated model. If not, a mail in will accomplish the deed. Additionally, I believe that if the fail safe feature is changed on throttle (maybe other functions too) you will be required to re bind. Triple check your manual. Mount your receiver high in the aircraft away from any metal including screws and out of line with the engine.

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Solution

Submitted by JonB on Sat, 2008-07-12 21:10.

Well, I brought the plane, receiver, and transmitter to the fun fly today. Thanks to Wade, Randy, Joe, and Dave we played "swap the parts" and figured out it was the Transmitter.

I took the transmitter back to Some Dudes and Pat spent about 10 minutes looking it over - double checking all the settings. Then he offered to swap it out with another one. He is saving me the hastle of RMAing the radio and waiting for it to be repaired. THANKS PAT!

That fixed the range check issue for sure. My son and I spent 15 minutes or so trying all the orientations at 90 ++ feet and it worked great.

Thanks to everyone for the help and thanks to Pat for saving me loads of work!

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