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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Can SPCM recievers work in PPM mode ? ?
05-22-2007 12:14 PM  13 years ago
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MikeJP

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Perth, WA Australia

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Can SPCM recievers work in PPM mode ? ?
I've set up my Evo 50 with a JR x2610 with the 7 Channel RS770S reciever. I've only set it up and flowen in SPCM mode though tried swithching the transmitter to PPM mode and i get absolutly no response from the heli. Is this reciever designed to only be operated in SPCM mode ?? Is the PPM Mode in the transmitter only for older recievers that have a crystal ?? or should my reciever work in both SPCM and PPM modes ??
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05-22-2007 02:25 PM  13 years ago
Busher

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Manchester, England

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The receiver will only work with a JR transmitter set to spcm mode. The receiver will not work in PPM mode at all, The ppm mode is still current in all radios, and you can use the ppm mode with a JR ppm receiver should you wish. It will probably drive other PPM receivers as well, but you should really stick to the JR range for the best compatability.

So to get yor radio up and running switch to spcm mode and leave it in that mode with that receiver.

Good luck

Busher
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05-22-2007 02:27 PM  13 years ago
deiniolpook

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West Wales, UK

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A PCM receiver will only work in PCM mode, a PPM receiver will only work in PPM mode. I'm not aware of a multi-mode receiver ever being made.
The crystal has nothing to do with it, it only selects the channel (frequency) you wish to use.
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