[. . . ] Do not exposed the unit to where there are extremes of temperature (below 5°C or exceeding 35°C) or moisture. [. . . ] In power on mode, press this button to start scan, press this button again to stop Over speed: Red LED on Ready for scan: Green LED on Scanning status display Select High(600dpi)/Low(300dpi) resolution; High/Low resolution mode icon will be displayed on status LCD Select Color/Mono scan, Color/ Mono mode icon will be displayed on status LCD Download photo to a computer via USB cable provided. Photos will be stored in m icro SD card Battery is full Color or Mono Show scanned files in micro SD card High:600 dpi / Low:300 dpi Empty battery 2 Inserting a microSD memory card (not included) You must insert a microSD Card (not included) to record and store your pictures. Insert the microSD card into the microSD card slot, gently press in until card is latched. Note: -Do not force the card into the slot; forcing may damage scanner and the microSD memory card. Insert a new micro SD card into the scanner, then turn on the scanner. Slide the scanner slowly and keep your hand stable to get the best quality picture. Connect it to your computer as displayed in below picture and follow the instructions on your monitor. Image sensor Number of sensor Resolution Maximum scanning speed for A4 size document Capacity (Based on 1GB microSD card. [. . . ] Use wrong type of battery The lens of scanner is dirty Replace with new A-Brand 2x AA alkaline batteries Clean the lens with soft dry cloth Press the Power/Scan button to reset and scan again the document LED is on when Scanning speed is too fast scanning a document [. . . ]