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HomeHomeDiscussionsDiscussionsiFly Owners Q&AiFly Owners Q&ATouch Screen Problem, Lower Right CornerTouch Screen Problem, Lower Right Corner
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9/3/2017 9:48 PM
 

Unfortunately, the resistive screen technology does suffer from "calibration drift" over time.  (This is the price we pay for the excceptional readability in bright sunlight--capacitive screens are still not as good, and were far, far behind in readability when the 7x0 units were originally released.)

The re-calibration method mentioned above can compensate for the drift if it doesn't get too bad, but over time the screen can continue to degrade and may eventually reach a point where the re-calibration technique won't work any more.  If that ever happens, call the iFly folks and leet them know what's going on.  I think there are a couple of other last-ditch things you can try, but they have a low probability of success, and you may eventually need to consider sending the unit back for a screen replacement, or trashing it in favor of a newer unit.  

You may also choose to use an iPad, Android tablet, or Windows device to run iFly instead.  Just make sure the screen is bright enough to read in a sunny cockpit, or figure out how to shade it.

 
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9/4/2017 10:49 AM
 

Something I used to do before the 740 came out was to Power it up & lay it face down on a flat surface over night. Then do the calibration. It helped lot. Doing it a couple of nights in a row improved it more. It's a pain, but it seemed to work. This was a fairly frequent operation once it started to drift. Bob

 
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9/7/2017 9:52 AM
 

Recalibration is an excellent suggestion.  I had forgotten about that function.  I will give it a try.

P.S. - I have two 740's and one 720.


Ought to be flying instead of posting.
 
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9/30/2017 9:17 PM
 

Hopefully you have long since resolved your touch screen issue (as your post is months old now).

But FWIW: In the case of my 720 when lower right started getting flaky to touch, and repeated efforts to recalibrate it failed, the folks at iFly said (and turned out to be correct) that the touch layer on my 4 year old 720 was physically failing. For about $100 the replaced the touch layer, and touch worked flawlessly. 

BTW, they're selling refurbished 720's for about $200. Possibly another option, as those come with more warrenty plus a few months of subscription.

 
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9/30/2017 10:16 PM
 

Well shoot, I thought I had posted that recalibration did the trick.  It did.  The 720 is working well again.  I used it and a 740 traveling to the AOPA Regional in Norman, OK this month.


Ought to be flying instead of posting.
 
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HomeHomeDiscussionsDiscussionsiFly Owners Q&AiFly Owners Q&ATouch Screen Problem, Lower Right CornerTouch Screen Problem, Lower Right Corner