Abstract
A simple and inexpensive modification for the ADDS 980 video terminal is described which permits the characters displayed on the CRT to be blanked and restored (under software control). This circuit is useful in applications, such as RT measurement, where precise definition of stimulus onset is important. The technique described is general enough to be applied to a variety of other video terminals.
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The authors wish to thank William Uttal, Cecil Murray, and Art Shane for their suggestions on this project.
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Sentis, K.P., Barowicz, M.B. A CRT blanking circuit for video terminals. Behavior Research Methods & Instrumentation 10, 856–857 (1978). https://doi.org/10.3758/BF03205414
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DOI: https://doi.org/10.3758/BF03205414