Curtis LT7029 - Manual (Page 44)

Connect device to PC via USB, the default connection method is the synchronous
mode.Drag the top status bar and pull-down,an interface come out as below:
"USB connected ":means intenal memory
Click “USB connected” to enter “USB Mass storage”,click “Turn on USB storage”
and “OK” to enter device disk on PC. Load files to the disk you want , when finished
loading, click “turn off USB storage “ and check files in /nand folder of ES Explorer.
20.2 OTG
Support FAT32 format mobile devices: such as U disk. Removable disk.
Plug and Play connection method:
Connect device USB OTG port and external device by OTG cable.
20.3 Keyboard Mouse
Support plug and play USB mouse, keyboard equipment
21. TF Card and USB Disk Setting
Insert T-Flash card or USB Disk,unit will scan automatically. Don’t open tfcard
or USB folder before finishing scanning,or device will remind data wrong and
can’t recognize the contents. When the taskbar stop scanning means finishing
scanning.
Click “ES File Explorer” to enter local disk /sd card/ interface as below: