Sony VGN-TZ10 - Manual (Page 19)

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Getting Started
Wireless LAN Illuminates when the wireless LAN functionality is enabled.
Wireless WAN *1 Illuminates when the wireless WAN functionality is enabled.
*1 On selected models only.
*2
Your computer is equipped with a built-in flash memory storage and/or a hard disk drive, depending on the model you purchased. See the online Specifications to
find about your storage device configuration.
Indicator Functions