LED
Status
Description
LAN
Orange
A read/write error occurred while another
device is accessing data.
Flashes orange
The NAS is being accessed from the
network.
USB
Flashes blue every 0.5 sec
• A USB device (connected to the front
USB port) is detected.
• A USB device (connected to the front
USB port) is being removed from the
NAS.
• A USB device (connected to the front
USB port of the NAS) is being
accessed.
• Data is being copied to or from a USB
or eSATA device.
Blue
A USB device is detected in the front USB
port.
Off
• No USB device is detected.
• The NAS has finished copying data to
or from the USB device connected to
the front USB port.
Audio Alert
Duration
Frequency
Description
Short beep (0.5 seconds) 1
• The NAS is starting up.
• The NAS is shutting down (software shutdown).
• The user pressed the Reset button.
• The operating system was updated.
3
The user tried to copy the NAS data to the external
storage device from the front USB port, but the data
cannot be copied.
TVS-x72N User Guide
Basic Operations
45