"Benny explained that the shop's point of sale terminals were connected to a master terminal via an RS485 bus, but despite extensive testing, the problem remained elusive."
"After setting up a protocol analyzer and waiting all day for a crash, Benny experienced 'Technician Aura,' where issues seem to vanish when a technician is present."
"The problem was finally revealed when a colleague placed a GSM phone next to the master terminal, causing immediate complaints of a crash from the staff."
Benny, a technician in the 1990s, faced recurring failures of point of sale terminals at a gardening shop. Despite extensive testing and equipment checks, he could not identify the issue. After setting up a protocol analyzer and waiting for a crash, he experienced the phenomenon known as 'Technician Aura,' where problems seem to disappear in the technician's presence. Ultimately, the issue was revealed when a colleague's phone caused the terminals to fail, highlighting the unpredictable nature of tech support.
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