The reported complaint was confirmed.During laboratory analysis, the product surveillance technician (pst) connected the central control monitor (ccm) to lab use only (luo) testing equipment.The screen was successfully powered on for approximately 30 minutes before the monitor went black while the pst was attempting to return to the home screen while collecting data logs.The voltage (v) output from the single board computer (sbc) to the inverter was verified.A luo inverter was put into the ccm, which did power on for a brief duration before the backlight shut off, but the ccm did function.The monitor appeared not to function because there is no illumination of the display image.It was determined that the backlight of the ccm display did not meet specification.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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