Insert the usb flash drive into the usb port, Power on the unit and access the service menu, Please use keypad to call the “service menu – Lumens Technology DC192 Firmware Upgrade Instruction User Manual

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Insert the usb flash drive into the usb port, Power on the unit and access the service menu, Please use keypad to call the “service menu | Lumens Technology DC192 Firmware Upgrade Instruction User Manual | Page 2 / 9 Insert the usb flash drive into the usb port, Power on the unit and access the service menu, Please use keypad to call the “service menu | Lumens Technology DC192 Firmware Upgrade Instruction User Manual | Page 2 / 9
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