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Old 03-28-2008, 08:30 PM   #1
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I am: Mike G
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Ok so I just bought anew (used )radio for my daughter's plane Thanks Kevin. My question is ,it is a JR radio and I will probably be using Hitec receivers for it. Now do I need JR crystals or would Futaba work???Thanks in advance Mike
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Old 03-28-2008, 08:43 PM   #2
Dennis 9412
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I am: Dennis DuBois
Join Date: Dec 2002
Location: Washago, Ontario
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Hi Mike:

You'll need Hi-tec xtals for the hitec receiver to match the transmitter channel. Just make sure you get positive shift or shift selectable receivers.

Dennis DuBois
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Old 03-29-2008, 05:50 AM   #3
Gary Maker
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I am: Gary M.
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As Dennis says, the Hitec receiver will work just fine but you need Hitec crystals for it. JR and Futaba crystals will NOT work! Must be Hitec!

If your receiver is the newer Supreme IIS ( the one with the little green diode on the face) then it is auto shift select and will also work fine with the JR Tx. No jumpers or anything like that to worry about, the RX will detect what shift the signal is and select it automatically.

The older Supremes were made specifically for either Hitec/Futaba (negative shift) or JR/Airtronics (positive shift) and is indicated on the face plate of the Receiver.
Stoney Creek Hawks RC
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Radios used: Spektrum DX6i
Current builds: 1/4 scale J3 Cub & Neiuport 17 and KMP B-25.
Currently flying: Scratched Tele 40, Parkzone Stryker & 60" SPAD Debonaire


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