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-   -   receiver crystals (https://www.rcuniverse.com/forum/questions-answers-154/10239986-receiver-crystals.html)

cotman 01-04-2011 06:04 PM

receiver crystals
 
I have a Futaba FP-R148DF dual conversion 8 channel micro receiver. I also have 2 futaba radios... one is on channel 17 and one on channel 40. Does it make a differents which crystal (17 or 40) I get for that receiver.

huck1199 01-04-2011 08:13 PM

RE: receiver crystals
 
Yes it matters. These were either high or low band. It should be marked. If high, use 40, else use 17.

scale only 4 me 01-04-2011 08:21 PM

RE: receiver crystals
 
That and most older Futaba Receiver are tuned for High (36-60)and Low (11-35)bands, they recommend using Crystals in the appropriate band,, 17 would be low, 40 is high,,

What ever crystal came with the receiver, I'd stay in the same range

Gray Beard 01-04-2011 10:20 PM

RE: receiver crystals
 
There is a red dot on the inside of the RX to denote high and low also. I have it written down someplace in my shop if that denotes high or low but off the top of my head I can't recall what is what?? The dot should be on the side where the crystal goes. Perhaps someone here knows without me digging through my papers and will post up?

RCKen 01-04-2011 10:25 PM

RE: receiver crystals
 


ORIGINAL: Gray Beard

There is a red dot on the inside of the RX to denote high and low also. I have it written down someplace in my shop if that denotes high or low but off the top of my head I can't recall what is what?? The dot should be on the side where the crystal goes. Perhaps someone here knows without me digging through my papers and will post up?
Gene,
If there is a red dot present then the receiver is high band. No dot and it's low band.

http://www.futaba-rc.com/faq/faq-receivers.html#q736

Ken

Gray Beard 01-04-2011 10:36 PM

RE: receiver crystals
 
I knew that!!!:eek: Wrote it down again just in case I forget again!!!:D

gene6029 01-05-2011 02:02 AM

RE: receiver crystals
 

Thats why i read thru these threads, because i learn something every time. Didnt know about the Dots, but good information.....Gene;)


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