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Old Oct 24, 2010, 09:08 AM
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JR XG7 DMSS thread NEW!!



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Last edited by Mikarro; Aug 28, 2012 at 07:19 AM.
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Old Oct 24, 2010, 10:05 AM
60 years of RC flying
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Canada, ON, Ottawa
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XG7 in UK

Soon to be available in the UK:

http://www.macgregor.co.uk/jrpropo/xg7.htm
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Old Oct 24, 2010, 12:37 PM
Gary P
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Is that radio only for the UK? I see no mention of it anywhere else in the world.
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Old Oct 24, 2010, 01:53 PM
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From what I see, this new JR is being packaged for the whole world
I'm sure that JR will have FCC certification for the NA market, regardless if Horizon agrees to market it, or not.
If one looks at the specs. The AC charger is "universal", it accepts 100Vac to 240Vac 50-60Hz.
Pete
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Old Oct 24, 2010, 02:05 PM
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Quote:
Originally Posted by flamehead View Post
Is that radio only for the UK? I see no mention of it anywhere else in the world.
Certainly not just UK but all or most of the world. The only uncertainty is about what will happen in North America, where JR has been associated with Horizon Hobby and therefore Spektrum. Will JR keep DSM2 for NA?

The impetus for this move is that Spektrum technology is not acceptable in a number of countries, including Japan and possibly European countries in the future. So JR is going to a full frequency hopping system.

The earlier DSMJ protocol used by JR to meet Japanese requirements was a firmware change to DSM2, but the new DSSM is different in hardware too.
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Old Oct 24, 2010, 09:14 PM
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I'm not sure if the currency for the States will be 1:1 but I saw the price for UK 299 pounds (with VAT)
But why only 7 channels instead of 8 as the new DX8 ??
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Old Oct 24, 2010, 11:27 PM
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Quote:
Originally Posted by Mikarro View Post
I'm not sure if the currency for the States will be 1:1 but I saw the price for UK 299 pounds (with VAT)
But why only 7 channels instead of 8 as the new DX8 ??
Because 7 channels defines one level of sophistication for JR. The next level is 9, then 11.
It's a question of marketing:
5 channel = very basic (Dx5e)
6 channel = entry level serious radio (DX6i, 6EX)
7 channel = all you really need (DX7, Futaba 7, JR DSX7)
8 channel = the new features (DX8, FG8)
9 channel = deluxe (JR X9303, Futaba 9)

After that it's less well defined.
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Old Oct 25, 2010, 01:49 AM
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Interesting... Curious if it will be introduced in the US.
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Old Oct 25, 2010, 10:58 AM
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Quote:
This radio heralds the introduction of JR’s very own DMSS 2.4GHz technology. DMSS stands for Dual Modulation Spread Spectrum, which basically means that JR can adapt it to be either a full ‘frequency hopping spread spectrum’ system (FHSS) or a ‘direct sequence spread spectrum’ system (DSSS).
So this will be able to do the new FHSS AND DSM2?
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Old Oct 26, 2010, 01:22 PM
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According to this site, it might be 4096 resolution too!

http://www.rc711.com/shop/jr-xg7-24g...ew-p-3755.html

Quote:
NEW JR's 2.4Ghz Dual Modulation Spectrum System (DMSS) for Helicopters and Airplanes of Any Size. 4096 high resolution with 2 ways transmittion!
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Old Oct 26, 2010, 02:32 PM
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Will this have data feedback from RX...like pack voltage or better yet, mah used? If so, my DX7's days are numbered.
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Old Oct 26, 2010, 02:42 PM
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The XG7 has telemetry, currently Receiver Battery Voltage but will expand
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Old Oct 26, 2010, 02:46 PM
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Quote:
Originally Posted by Fly2High View Post
So this will be able to do the new FHSS AND DSM2?
That's a definite maybe.
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Old Oct 26, 2010, 04:02 PM
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To me, RX voltage telemetry is nice but mah is much more useful. Voltage will sag based on how heavy you're on the throttle so not really true feedback of how much more capacity you've got.

Backwards compatible with DSM2 would be awesome.
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Old Oct 26, 2010, 04:14 PM
Chuck 'Em and Chase 'Em
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Quote:
Originally Posted by Daedalus66 View Post
That's a definite maybe.
Now the big question is will it need to be sent into service to change it from one typew to the other??

I hope it is natively capable of both and can be set for each model which to use like they did with PPM/z-PCM/s-PCM

Frank
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