Asus PU550C E-Manual page 24

Memory card reader
This Notebook PC has a built-in memory card reader slot that
supports MMC and SD card formats.
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Color
Solid Green
Solid Orange
Blinking Orange
Lights off
Drive activity indicator
This indicator lights up when your Notebook PC is
accessing the internal storage drives.
Bluetooth / Wireless indicator
This indicator lights up when your Notebook PC's
wireless function (Bluetooth or Wi-Fi) is enabled.
Status
The Notebook PC is plugged to
a power source and the battery
power is between 95% and
100%.
The Notebook PC is plugged
to a power source, charging its
battery, and the battery power
is less than 95%.
The Notebook PC is running on
battery mode and the battery
power is less than 10%.
The Notebook PC is running on
battery mode and the battery
power is between 10% to 100%.
Notebook PC E-Manual