USB One Touch Copy Button
The USB One Touch Copy button allows you to copy data backups from a USB device to the NAS or from
the NAS to a USB device.
This feature supports incremental backups. The NAS only copies files that were modified or added after the
last backup.
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.
Long beep (1.5 seconds) 3 (every 5 minutes)
The system fan is not functioning.
2
• The disk volume is about to reach its full
capacity.
• The disk volume has reached its full capacity.
• The drives are in degraded mode.
• The user started the drive rebuilding process.
• A drive is plugged in or out.
1
• The NAS was powered off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
TS-431KX/TS-431X3 User Guide
Basic Operations
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