SkyDemon


Sunlight readable device


Sunlight readable device

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Rjddillan
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I have invested in a Helm x650. It's expensive but fully sunlight readable - 1,500 nits polarised. No glare or reflection. It's also really meant to be panel mounted, but I've got mine on a ram mount which is fine. This thing is the first device I've used that is truly sunlight readable - it really works.

However, the internal GPS receiver has a glitch. With SD it refuses to display altitude unless I disconnect the external antenna and reattach it. And then it's intermittent. I assumed a hardware problem so tried other programs, where it works fine. It must therefor be SD.

The operating system is windows embedded, which is supposed to be very stable.

It would be a shame if SD won't work on this device as apart from that problem is a fantastic user experience in the cockpit. No more squinting at reflective screens straining eyes to see frequencies etc.

It will be possible to use an external receiver but at the expense of more complexity and clutter.

I spoke with the manufacturer who tells me this has happened before with SD.

Is a fix possible?

ckurz7000
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I seem to recall that SD only displays altitude if certain minimum accuracy requirements are met. Apparently this is not or not lways the case süwith your unit.
Ä-- Chris.
InfrequentFlyer
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Great to have a bright display - I see Helm claim "over 1,000 nits", which is 2-3 times most tablets.  That isn't 2-3 times perceptual brightness, of course, as our eyes have non-linear perception of brightness.  You need to increase brightness by 6-8 times in nits to appear twice as bright. 

Alas, my budget doesn't run to a Helm, and I use a Tesco Hudl at about 5% of the price and a mere 400 nits.  But the GPS works OK. 

Rjddillan
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Yes, makes me wonder whether investment has been worthwhile. Depends if i can get it to work.

Wonder if the hudl is better to view in the cockpit than my iPad mini, which I threw aside in disgust after the umpteenth time trying to see it in sunlight. If you can't see it it's worse than useless at best, and dangerous at worst,
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I've had no trouble using the Hudl in a sunny cockpit, but it may not always be direct sunlight.  I've just tried it on the ground in direct sunlight, and at max brightness it's pefectly usable.  It has a shiny screen, so one can get reflections in direct sun.

One issue with the Hudl - running Skydemon in flight mode (with the display and GPS on continually) especially at max brightness - the battery life won't be great.  I can't give a figure, but in the plane I leave it powered from a cigar lighter power adapter, so don't have a problem.  I guess any tablet will have a much shorter than normal battery life running SkyDemon in flight mode. 

GO
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