Please refer to the Settings Guide for details.
26.9.3 File Manager
By using Special Data Display [File Manager], the data in the CF card inserted in the display unit can be moved to the USB storage device.
From the [Parts (P)] menu, point to [Special Data Display (P)] and select [File Manager (M)]. Place the Part on the screen.
Double-click the new Special Data Display [File Manager]. The following dialog box appears.
In [Action Mode], select [File Operation]. In [Target Data], select [CF<-->USB Storage].
Click the [Switch] tab and select the [Display] check box. In [Select Shape], select the shape of the switch, specify the label and color and then click [OK].
You can check the approximate available space in the external storage by specifying the settings for [CF Card Available Space] (or [SD Card Available Space]) and [USB Storage Available Space] under the System Settings [Display Unit] - [Mode].