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Trapped In a Lufthansa Airline Seat (20 Nov 2005)
The display takes 15 seconds to turn on, then roughly 3 seconds to paint each screen. The cursor control is so clumsy as to be reasonably unusable, moving slowly across the screen in an erratic direction, but then speeding up so fast that it overshoots the target. It takes about 10 to 15 seconds for any button press to have an effect – even the simple feedback that indicates receipt of the “Select” button takes a second.

Then there is the sound system.
Article URL: http://www.jnd.org/dn.mss/trapped_in_a_lufthan.html

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