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Simplex 4020 Fire Alarm Test

SimplexTech
SimplexTech
Oct 18, 2023
(more info)
This is a short clip of a fire alarm test at a vacant former school building. This is a Simplex 4020 system. Signal coding is temporal code.

ORIGINAL VIDEO: https://www.youtube.com/watch?v=9tnQMZ0K6dw
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Date: Oct 18, 2023 Views: 6 Ratings: 0
Time: Comments: 0 Favorites: 0