User's Manual

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4.4 Signal Source
On the home page, click Sources. The signal source selection page is displayed. You can
preview the image of the corresponding signal channel, as shown in the following figure.
If the channel has no signal input, No Signal is prompted. You can click the selected signal
source to switch to the corresponding channel in full screen.
4.5 External Storage
The product supports connection to external storage devices. On the external storage page,
you can view files stored in all external storage devices (for example, the USB flash disk and
SD card) and preview, select, copy, delete and search content in each storage device.
4.5.1 External Storage Page
On the home page, click External Storage as shown in the following figure.