Module 5 Digital Techniques Practice Questions - UK CAA Part-66 AME Module 5 - Digital Techniques Electronic Instrument Systems Exam

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In an Electronic Flight Instrument System (EFIS), what is the primary function of the Symbol Generator (SG) or Display Electronic Unit (DEU)?

To convert analog and digital sensor inputs into deflection and video signals for display on the CRTs or LCDs To store flight plan waypoints and calculate lateral navigation guidance vectors To directly supply 115V AC 400Hz power to the cockpit instrument backlighting circuits To sense aircraft attitude using internal ring laser gyroscopes and accelerometers

Correct Answer:

To convert analog and digital sensor inputs into deflection and video signals for display on the CRTs or LCDs

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