display error during normal protocols

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While the software for an experiment is running well and without displaying any unexpected errors, the actual arena shows apparent random patterns at apparent random times. When the arena is supposed to show a single vertical dark bar on bright background, the actual displayed pattern looks as follows (examples from one instance):

On a single arena with G4 Host v242 and the G4 Display tools from March 2022, this error occurred about once per week (or every third time it is used). For the behavior room these error occured on March 22 and 23rd, April 6,12,19, 27, and 29th, June 7, 14 (twice on this day), and 28th, and July 13 and 20th.

[floesche]

Another example for display issues from 2022-12-21:

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On 2023-01-17 the display showed a similar scrambled pattern as described in the first post for about 10 seconds, then blanked for about 8 seconds, then showed some scrambled pattern again.