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Prism
7 and 7X FAQ's
Q.
How can I change
the frequency on my transmitter?
A. You must replace the module or
use the Spectra synthesized module. Swapping crystals is against FCC regulations
and will leave the transmitter out of tune.
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Q.
Is my transmitters trainer function compatible with any other manufacturers
radios?
A. Yes, the Hitec radios are trainer
compatible with another Hitec or Futaba system. Be aware you will need
a comparable radio to use any mixing functions and be sure to always use
the Hitec trainer cord, part # 58310.
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Q.
What other receivers will my Prism work with?
A. Any modern FM receiver or Hitec
PCM part # 20202 will work; all you need to do is make sure you have selected
the proper shift in the main menu. Hitec and Futaba are negative shift
and Airtronics, JR and Multiplex are positive shift.
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Q.
Why doesn't my elevator trim work?
A. The radio is probably set to stick
mode 1. Go into the main menu and reset it to ST2. If you are still having
problems, contact our service department.
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Q.
Why do the centers on my servo move when I switch from high to
low dual rate?
A. The gimbals may need to be recalibrated.
You would need to send it in to our service center for repair.
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Q.
When I set the end point on my servo, it will only affect one direction.
A. Endpoints will automatically default
to one side only. You must move the stick to the side you want to set
and then input the percentage you desire.
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Q.
Why can't I run two different mixes at the same time or mix any
channel that I want?
A. The Prism is limited with how many
mixes it can use. You can select Elevon, V-tail or Aileron differential
but only one of them at a time.
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Q.
What is the maximum range of the Prism transmitter?
A. Approximately 2 miles, but we refer
to it as "Line of site." If you can see it, you can fly it!
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Q.
How do I do a range check?
A. With your transmitters antenna
collapsed, walk away from your receiver until the servos start to jitter.
You should get a minimum of 75ft. If you get significantly less we recommend
that you do not fly until you isolate the problem.
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Q.
Will my Prism work with other PCM receivers?
A. No, PCM cannot be intermixed between
brands.
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Q.
Can I change my Prism over for use on 75MHz?
A. Yes, there are a couple of ways,
but be aware that Hitec does not offer the system configured for 75MHz
nor will we convert it. The first way is to have an authorized service
center like PMC Modeltronics @ 815.233.5646 retune your existing equipment.
The other way is to purchase a 75MHz single frequency or Spectra module
and the 75MHz Supreme receiver part #23575 and dual conversion crystal
#66775XX (XX=CH#).
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