R41A0K180 User’s Guide
3.Use the 
key to enter check marks in the check boxes of files or folders to delete, then press the OK key to complete.
Note:
Pressing the Menu key in the thumbnails screen displays the pop up menu. You can select either Select All or Deselect All, then press the OK key, or select Apply from the pop up menu.
When you want to delete files in full screen, press the Menu key to display the pop up menu, then select Delete to enter the deletion mode. Select Delete using the Up or Down key and press the OK key to complete. Press the Right or Left key to move to other files to delete. Select Cancel and press the OK key, or press the Back key to cancel the mode.
4.After the confirmation dialog box appears, select Yes using the Up or Down key, then press the OK key to delete.
Copying/Moving files or folders
1.Highlight a file or folder to copy or move.
2.Press the Menu key to display the pop up menu, select Copy/Move using the Up or Down key, then press the OK key.
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