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Old 30th Nov 2007, 23:42
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Apia Pipe
 
Join Date: Dec 2004
Location: South of the Watford Gap
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737 Engine Indicators
Hi Screwdriver,

If the 'dots' are at about the 2 o clock position on the primary engine instruments, it could well be the light sensors that control the brightness of the LED numerical display on that indicator.

Hope this helps.
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