What is the expected AEC outcome if the field is opened far beyond the selected chambers?
QUESTION
What does an AEC ionization chamber measure to control exposure termination?
QUESTION
What should the backup timer be set to when using AEC to protect the patient?
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ANSWER
A time slightly longer than expected, below the maximum safe mAs/time. This setting allows normal AEC function while providing a safety limit to prevent excessive radiation if termination fails.