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Hitec module, Futaba radio, Airtronics receiver

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Old 08-08-2006, 12:39 PM
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bigR
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Default Hitec module, Futaba radio, Airtronics receiver

Hi,

A friend has offered me his older Futaba 7UAps transmitter. I understand that the Hitec synthesized module will work with this radio. However, I want to use the JR/Airtronics positive shift FM deviation. I have many Airtronics receivers and servos that are in good condition. They have the older "reverse polarity" wiring. I do not want to have to replace all my equipment just to use the transmitter.

Question: Can the Hitec Spectra module be used with a Futaba transmitter and send out a signal that matches the JR/Airtronics shift instead of the Futaba standard?

John in Kalifornia

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Old 08-08-2006, 01:18 PM
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Default RE: Hitec module, Futaba radio, Airtronics receiver

No, I don't believe so.
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Old 08-08-2006, 03:40 PM
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JohnBuckner
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Default RE: Hitec module, Futaba radio, Airtronics receiver

In the US Futaba Tx's are negative modulation shift only and your Airtronics Rx's are positive modulation shift only. It makes no differance if you use the legal module in that Tx or a Hitec.

If you want to continue to use your older Airtronics Rx's and upgrade your Tx then you can use any Airtronics, any JR tx or Hitec Optic 6, Eclipse 7 or the older Prism 7x.

John
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