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Scorpion Power Hitec RCD
DennisH

Senior Heliman

Baton Rouge Louisiana

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First, my GPS does not work correctly. I am using a JR9303 Transmitter.

I have the Blue 720 w/GPS, also running a PBUS. As per the manual, it is impossible to connect the LED status lamp to the 720 as the ports are already used. It looks like the PBUS is the blame for this.

It looks like I can eliminate the PBUS, and the LED and GPS maybe should work fine.

Information is limited on this subject. I can't even find clarification of which LED lamp should glow while using the GPS.

The 720 "Blue" works flawlessly for me on my TRex 700. Please advise, or direct me to a source that would help me solve this issue with the GPS.

Thanks, Dennis

Hopefully someone has run into this same situation. I don't believe I am the first one.

12-25-2016 03:59 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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Answer found!

I was told to throw away the 2 manuals for the 720.

I removed the PBUS and hook up the servo's directly to the 720 including the GPS leads. Works great so far, we will see.

I can't believe the instructions are out of date! Like I stated, information is limited and I was fortunate to have found someone who knew the system inside and out.

Dennis

12-27-2016 08:50 AM
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Heli Fanatix

Veteran

Fountain Valley, CA

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I had suggested bypassing the Power Bus from the start.

- Scott

12-28-2016 05:17 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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Yes Scott, I remember. The person I finally found has two of them and knows them inside and out. I didn't detail our complete conversation in the previous post.

His settings worked great on mine as well. I have one minor adjustment to make on the rudder gain, and that should be it.

It is a pretty graceful flying Heli now, very enjoyable to fly, and very controllable and graceful, the best way I can put it.

I also put a few strobes lamps on it, all works great.

I can't wait until tomorrow to fly it again!

Dennis

12-29-2016 01:59 AM
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