VIEWSONIC DF88W - Manual (Page 16)

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Tip: This product supports Windows 2000/XP/Vista. When formatting the memory card, ensure that
FAT or FAT32 file system is used.
Caution:
1. To avoid issues due to insufficient PC USB power supply, connect to the PC after the power supply is
connected and the system is powered on.
2. Due to the limited power supply of the system device, ensure that the driving current of the external
USB device (for example, USB disk) is not higher than 500mA. If the driving current is higher than 500mA,
use an external power supply.