PPRuNe Forums - View Single Post - B737 White dots at the corner of DUs
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Old 6th Oct 2014, 15:12
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BOAC
Per Ardua ad Astraeus
 
Join Date: Mar 2000
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Turn your flashlight on and put it over the "white dot",you will see what happen on your DU screen
- for cheapskates, put your thumb over the sensor................
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