dark trace tube

dark trace tube

dark trace tube
Normal cathode ray tube presentation.
dark trace tube
Dark trace tube presentation.
A CRT (cathode-ray tube) on which the face is bright and signals are displayed as dark traces or dark blips. This is in contrast to the normal CRT display, which is dark and whose blips are white.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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