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Thread: B737 White dots at the corner of DUs
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Old 6th October 2014 | 15:12
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BOAC
Per Ardua ad Astraeus
 
Joined: Mar 2000
Posts: 18,575
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From: UK
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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