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Thread Tools | Display Modes |
#11
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THIS is the cockpit display tech we need
On Nov 16, 11:44*am, Bill D wrote:
On Nov 15, 6:17*pm, John Cochrane wrote: On Nov 15, 3:57*pm, JohnDeRosa wrote: On Nov 15, 10:54*am, Bill D wrote: Qualcom's Mirasol display looks like a magazine cover in direct sunlight. And at 1/10th the power requirements. *Important for gliders but this will also really impact battery life for everything from laptops, tablets to cell phones. I hate to break it to you guys, but there is a gorgeous sunlight readable display on the market, the clear-nav. SN10 is pretty easy to read too, but offers less stuff on the screen, which Dave might argue is an advantage. No need to wait... John Cochrane Don't think so. Current engineering specs say 1500 nits brightness is required for 'good' readability in direct sunlight. *CCFL's backlights delivering that brightness would pull amps, not mili-amps. *LED backlights are better but current draw and heating are still problems. *If you did somehow create a screen with 1500 nits brightness, it would be like looking into a car headlight. I can't find the specs, but I'm guessing the best glider displays are in the 500 - 1000 nit brightness range and pull around .8 amps. Far easier on the eyes and battery would be a high-contrast, high color saturation REFLECTIVE display like the Mirasol technology. I have no experience with competing displays so can't speak for them, but have flown ClearNav for three seasons and it is as "sunlight- readable" as it needs to be. No problem viewing it on bright days while wearing sunglasses. My problem is fine print in any light condition so I keep glasses handy for that, but if you set it up correctly before flight there is little need to read fine print. No need to flip through multiple pages, either. Control inputs are through a simple controller that you don't have to look at to use - particularly if it's mounted on the stick. Power management is built into the system so that isn't a problem. |
#12
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THIS is the cockpit display tech we need
On Nov 16, 3:24*am, Max Kellermann wrote:
Ramy wrote: The Dell Streak 5 is only $200-$400 and has a great sun readable display. $150 *http://www.streaksmart.com/2011/11/c...ocked-dell-str.... *http://www.cowboom.com/product/753676 Unfortunately sold out, but once there's another cheap offer, get one quickly while you can! The Dell Streak Mini is still the best cockpit device you can get currently. *It takes advantage of the sunlight (transflective screen) instead of trying to beat the sun. Max There might be better choice out the http://www.slashgear.com/samsung-gal...view-02192592/ the Samsung Galaxy Player with 5" TFT display, GPS and Wi-Fi for around $250 is a really good find. It also has reasonable power consumption and 2.5 AH battery. It also has a newer Android version than the Dell. |
#13
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THIS is the cockpit display tech we need
On Nov 16, 8:44*am, Bill D wrote:
On Nov 15, 6:17*pm, John Cochrane wrote: On Nov 15, 3:57*pm, JohnDeRosa wrote: On Nov 15, 10:54*am, Bill D wrote: Qualcom's Mirasol display looks like a magazine cover in direct sunlight. And at 1/10th the power requirements. *Important for gliders but this will also really impact battery life for everything from laptops, tablets to cell phones. I hate to break it to you guys, but there is a gorgeous sunlight readable display on the market, the clear-nav. SN10 is pretty easy to read too, but offers less stuff on the screen, which Dave might argue is an advantage. No need to wait... John Cochrane Don't think so. Current engineering specs say 1500 nits brightness is required for 'good' readability in direct sunlight. *CCFL's backlights delivering that brightness would pull amps, not mili-amps. *LED backlights are better but current draw and heating are still problems. *If you did somehow create a screen with 1500 nits brightness, it would be like looking into a car headlight. I can't find the specs, but I'm guessing the best glider displays are in the 500 - 1000 nit brightness range and pull around .8 amps. Far easier on the eyes and battery would be a high-contrast, high color saturation REFLECTIVE display like the Mirasol technology. Bill, I am not sure where you got your engineering specifications. But I have found that display brightness in an aircraft quality display has little to do with sunlight readability. The key factors are the coatings and the contrast ratio. The Ultimate Le has two specialized coatings and an extremely high contrast ratio, it is as readable in the sun at the low backlight settings as in the high backlight. The sun has no noticable effect on the Ultimate Le display. The Ultimate Le with LED backlight has no heat problems. In fact the first Ultimates with a CFFL backlight got warm but did not have any issues. Displays with low contrast ratios need unusaully high backlight to be seen. This is typical of most low cost low qualtiy displays. The Ultimate Le at full backlight has 1400 nits and draws about .7 to .8 Amps. At lower backlight settings of .3 to .4 amps the display is very sunlight viewable with vibrant colors. All the above information comes from testing in direct sunlight from a varitey of angles and first hand experience in flight. Richard www.craggyaero.com |
#14
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THIS is the cockpit display tech we need
On Nov 16, 1:51*pm, Andrzej Kobus wrote:
On Nov 16, 3:24*am, Max Kellermann wrote: Ramy wrote: The Dell Streak 5 is only $200-$400 and has a great sun readable display. $150 *http://www.streaksmart.com/2011/11/c...ocked-dell-str... *http://www.cowboom.com/product/753676 Unfortunately sold out, but once there's another cheap offer, get one quickly while you can! The Dell Streak Mini is still the best cockpit device you can get currently. *It takes advantage of the sunlight (transflective screen) instead of trying to beat the sun. Max There might be better choice out thehttp://www.slashgear.com/samsung-gal...view-02192592/ the Samsung Galaxy Player with 5" TFT display, GPS and Wi-Fi for around $250 is a really good find. It also has reasonable power consumption and 2.5 AH battery. It also has a newer Android version than the Dell. I have actually been looking at this too. Does anyone have any hands on experience with this device? It looks like a really good option looking at the specs at a very reasonable price. |
#15
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THIS is the cockpit display tech we need
On Nov 17, 12:11*am, Morteza Ansari wrote:
On Nov 16, 1:51*pm, Andrzej Kobus wrote: On Nov 16, 3:24*am, Max Kellermann wrote: Ramy wrote: The Dell Streak 5 is only $200-$400 and has a great sun readable display. $150 *http://www.streaksmart.com/2011/11/c...ocked-dell-str... *http://www.cowboom.com/product/753676 Unfortunately sold out, but once there's another cheap offer, get one quickly while you can! The Dell Streak Mini is still the best cockpit device you can get currently. *It takes advantage of the sunlight (transflective screen) instead of trying to beat the sun. Max There might be better choice out thehttp://www.slashgear.com/samsung-gal...view-02192592/ the Samsung Galaxy Player with 5" TFT display, GPS and Wi-Fi for around $250 is a really good find. It also has reasonable power consumption and 2.5 AH battery. It also has a newer Android version than the Dell. I have actually been looking at this too. Does anyone have any hands on experience with this device? *It looks like a really good option looking at the specs at a very reasonable price. My daughter just bought this device. I am waiting for a sunny day in the North-East to test it. Tomorrow looks like the day. I will report back. |
#16
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THIS is the cockpit display tech we need
On Thursday, November 17, 2011 7:15:33 AM UTC-5, Andrzej Kobus wrote:
...I am waiting for a sunny day in the North-East to test it. Which is like twilight in Texas or predawn in Oz... |
#17
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THIS is the cockpit display tech we need
I'm sure the display technology will continue to improve
dramatically. I am most frustrated by the (lack of) input options on touch-screens. My Oudie and Android platforms are almost useless in temperature extremes (below freezing or above 100F), do not respond to touch inputs reliably, even though I can read the screens easily. The challenge is to find a platform with a decent display, configurable mechanical inputs, and soaring software to take advantage of them, without breaking the bank. I'm not sure that's the direction commercially-driven development is going. |
#18
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THIS is the cockpit display tech we need
On Nov 17, 5:10*pm, NG wrote:
I'm sure the display technology will continue to improve dramatically. *I am most frustrated by the (lack of) input options on touch-screens. *My Oudie and Android platforms are almost useless in temperature extremes (below freezing or above 100F), do not respond to touch inputs reliably, even though I can read the screens easily. *The challenge is to find a platform with a decent display, configurable mechanical inputs, and soaring software to take advantage of them, without breaking the bank. *I'm not sure that's the direction commercially-driven development is going. I have seen a working input device with a phone. Google this topic and you will find people already doing this. |
#19
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THIS is the cockpit display tech we need
On Nov 17, 3:28*pm, Andrzej Kobus wrote:
On Nov 17, 5:10*pm, NG wrote: I'm sure the display technology will continue to improve dramatically. *I am most frustrated by the (lack of) input options on touch-screens. *My Oudie and Android platforms are almost useless in temperature extremes (below freezing or above 100F), do not respond to touch inputs reliably, even though I can read the screens easily. *The challenge is to find a platform with a decent display, configurable mechanical inputs, and soaring software to take advantage of them, without breaking the bank. *I'm not sure that's the direction commercially-driven development is going. I have seen a working input device with a phone. Google this topic and you will find people already doing this. Small touch screens of any type do not work well in our turbulent thermals in Arizona. I have had reasonable success with the Oudie, which also has reasonable readability in our bright sun. Mike |
#20
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THIS is the cockpit display tech we need
On Nov 17, 4:10*pm, NG wrote:
I'm sure the display technology will continue to improve dramatically. *I am most frustrated by the (lack of) input options on touch-screens. *My Oudie and Android platforms are almost useless in temperature extremes (below freezing or above 100F), do not respond to touch inputs reliably, even though I can read the screens easily. *The challenge is to find a platform with a decent display, configurable mechanical inputs, and soaring software to take advantage of them, without breaking the bank. *I'm not sure that's the direction commercially-driven development is going. what problems does your Oudie have over 100? Most of the soaring days this year that I used my Oudie were over 100 and i had no issues other than operator issues with it. |
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