Updated File manager (markdown)

File-manager.md

@@ -1,7 +1,36 @@
-### **Rename** 
-Rename selected file or directory.
-### **Delete** 
- Delete the file or directory you had chosen.  
-### **New Dir** 
- Creating a new directory.  
+Used to manage files on the SD Card.
 
+## Controls
+
+- Use the encoder or up and down buttons to move between items.
+- Use the select key enter a folder or to select an item to take an action on.
+- Use the right button to select a folder to take an action on (e.g. rename a folder).
+- Use the left button or select the ".." folder to go up a directory.
+
+## Buttons
+
+![Tools_File manager](https://github.com/eried/portapack-mayhem/assets/3761006/9a138517-c66b-4a4f-8456-b48b84f9ec85)
+
+When an item has been selected, the following commands are available in the toolbar.
+- Rename - rename the file or folder.
+- Delete - delete the file or folder.
+- Cut - add the selected item to the clipboard to be moved.
+- Copy - add the selected item to the clipboard to be copied.
+- Paste - move/copy the content of the clipboard into the current folder.
+- New Dir - create a new folder in the current folder.
+- New File - create an empty file in the current folder.
+- Exit - exit the file manager.
+
+## Partner files
+- Capture files (.C16) will have a "partner" .TXT file containing metadata. Renaming or deleting one of the pair will prompt the same action to be applied to the other.
+
+## Known folders
+- AUDIO - holds captures from the Audio app
+- CAPTURES - holds captures from the Capture app
+- LOGS - holds logs from various apps like Pocsag and Radiosnde.
+
+## Known Issues
+- Only the first 100 items in a directory can be shown.
+- Cut/Copy/Paste does not work on folders.
+- Folders must be empty in order to be deleted.
+- Cut/Copy/Paste does not work with "partner" files.