A fine radio, with not so fine documentation.
First suggestion, go to the Horizon website and download the JRP9249 manual. That's the standard airplane manual. It does have the copy function listed.
In brief:
go into model select, what's not intuitive is that you have to highlight the "select" text then press the cricket wheel. This changes the function from select to copy. Hard to find if you don't know where to look.
Be sure the model you want to copy is already selected, then select the model number to copy to. Rename as needed. Viola
If you haven't fiddled with the little flap trim and flaperon trim slide switches at the top. Give them a push. They make re-centering existing glued in servos a breeze. Another major feature that is undocumented.
I'm just making the transition myself.
Barry
On Feb 15, 2005, at 10:23 PM, James R MacLean wrote:
Just got my 9303 and starting to charge batteries and read the manual. A
few general questions arise:
Is there a copy function to make duplication of similiar models easier?
Is there a diode in the charging circuit?
I would like to use a larger (1650 mah which is the same physical size)
NiMH battery. The battery connector is different from the usual Molex
type. Any thoughts?
I was surprised by one thing, the sailplane version only comes with a
sailplane manual which does not give much help in setting up a power
plane. I wanted to fly the radio and receiver in my "mule" plane looking
for infant failures in a cheap plane which vibrates a bit also. Have to
mail in request for a manual or download from the net. Kind of a lot of
pages to have to print out at work.
There is also the "reversed" charging plug polarity. Anyone haave an idea
about how the input circuit is arranged? It should be possible to add a
small but rugged diode which will protect the transmitter "innards" from
a reversed input long enough to blow the input fuse. I think some have
just rewired the input connector which is certainly easy enough but hard
to mark in a way to preclude trying to use a JR charger as it would
normaly be used.
Thanks for any thoughts. Looking forward to using this excellent radio.
Jim MacLean
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