Snowy picture, poor sound in tv, The usb hub does not operate, Interference in tv – NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display User Manual

Page 69: Rs-232c or lan control is not available, The monitor goes into standby automatically, Power indicator patterns

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Snowy picture, poor sound in tv, The usb hub does not operate, Interference in tv | Rs-232c or lan control is not available, The monitor goes into standby automatically, Power indicator patterns | NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display User Manual | Page 69 / 97

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