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4. File Manager
4.1 Overview
The functionality and structure of the "File Manager" on the Braille Sense U2 MINI are very similar to "Windows Explorer" on a personal computer. To run the "File Manager", press "f (dots 1-2-4)" from the "program" menu or press "Enter" when your cursor is placed on "File Manager".

You can launch the “File Manager” from anywhere on the unit by pressing “F1-F”.

The "File Manager" contains 2 basic areas: an "address window" and a "file list". When you first open the "File Manager", you are placed in the drive list. By default, you are placed on the internal flash drive, named "flashdisk". You can use the up and down arrows ("Space-1" or "Space-4") or the scroll buttons to navigate the items in the drive list. Press "Enter" on the drive you want to open. The Braille Sense U2 MINI then displays the list of the files/folders on the drive you have opened.

When you press "tab (Space-4-5 or F3)" or "shift-tab ("Space-1-2" or "Space-F3")" on the "file list," you enter the "address window". The "address window" contains the path of the current directory or file.

For your convenience, the "File Manager" contains both menus and hot keys, allowing you to easily activate items in the program with a single keystroke as well as access and select a function through the menus even if you have not memorized the associated keystroke. YOU can bring up the menus by pressing "Space-m (dots 1-3-4)" or "F2".

WARNING!! The Braille Sense U2 MINI makes it possible to format the flashdisk to solve corruption problems and/or start over with a clean internal drive. Formatting the flashdisk erases everything on the flashdisk. Be extremely cautious when executing this command. If you execute this command, you will lose all of your data. You will NOT be able to retrieve this data once the command is executed. To format the flashdisk, press and hold "Space-1-2-3". While holding down "Space-1-2-3," quickly press and release the reset button. Continue holding "Space-1-2-3" until you hear the "format start" announcement.


4.1.1 Navigating the File List
The "File Manager" contains two kinds of lists: the "file list" and the "menu list", or rather, the list of items contained in the "File Manager" menu. The menus in the Braille Sense U2 MINI wrap. This means, when you reach the end of the list of items in a menu, the Braille Sense U2 MINI automatically brings you back to the top of the list when you press "Space-4". However, when you reach the end of a "file list," the Braille Sense U2 MINI remains at the end of the list, even if you press "Space-4". The following is a list of the keystrokes used for navigating lists:
1. Move to previous item: Up arrow key (Space-1) or up scroll button

2. Move to next item: Down arrow key (Space-4) or down scroll button

3. Move to the beginning of a list: Ctrl-home (Space-1-2-3)

4. Move to the end of a list: Ctrl-end (Space-4-5-6)


The following keystrokes are valid only in a "file list".
1. Jump to folder or file list: Space-5-6

2. Move between file list and address window: Tab (Space-4-5 or F3) / shift-tab (Space-1-2 or Space-F3)

3. Enter the selected folder or open the selected file: Enter

4. Move back a level in the folder structure: Backspace

5. Jump to the drive list: Space-1-2-5-6

6. Move to the previous group of 32 items: Page up (space 1-2-6 or F1-F2)

7. Move to the next group of 32 items: Page down (space 3-4-5 or F3-F 4)

8. Jump to a file or folder by pressing the first character of the folder or file name. You must use ASCII characters.


4.1.2 Selecting folders and files
1. Select individual items "Space": * is displayed in front of the item to denote its selection. Pressing "Space" again on the selected folder or file cancels the selection.

2. Continuous selection ("Enter-b (dots 1-2)"): This selects all of the items from the point where this command is executed to the item where the cursor is located. * appears in front of the selected items.

3. Select all ("Enter-a (dot 1)"): This selects all the files and folders in the current list. You can use navigation keys to move among the selected items to check their selection status. You can cancel selections or reselect de-selected items by pressing "Space". When the "Select All" command is executed, the Braille Sense U2 MINI says the number of selected files, and * appears in front of the selected files on the Braille display.
4.1.3 Cancel / Exit
Cancel ("Space-e (dots 1-5)" or "F 4"): Cancels a function, just as the "esc" key cancels functions on a personal computer.

Exit ("Space-z (dots 1-3-5-6)"): Cancels or stops a selected function or program. This is similar to the way "alt-F 4" closes a program on a personal computer.


4.2 Working with Files and Folders
When you open the "File Manager," the list of available drives is displayed. Navigate to the drive you wish to access, and press "Enter" to open it. The Braille Sense U2 MINI displays the list of folders and files on that drive. The items in quotation marks are folders, and the items without quotation marks are files.

The items in the list are followed by numbers, such as 1/5 or 2/5. The numbers following the items indicate an item's placement in the list and the total number of items in the list. For example, "database 1/5," indicates "database" is the first folder in a list containing five items.




4.2.1 Selecting drives
When you open the "File Manager," the first item in the list is "flashdisk". If an SD card or USB flash drive is inserted, it also appears in this list. Navigate to and select a drive by using the up and down arrows ("Space-1 or Space-4") or the scroll buttons. After selecting your desired drive, press "Enter" to open it.
4.2.2 Entering and Exiting Folders
There are several ways to open a folder. You can utilize the menu to open a specific folder.

1) Bring up the menu by pressing "Space-m (dots 1-3-4)" or "F2". Select the "Open" option from the list and press "Enter".

2) You can also press the hot key "Enter-o (dots 1-3-5)" to activate the "Open" command and open the desired folder.

3) Finally, as described above, you can simply press "Enter" on the selected folder.

To exit the current folder, use the "Backspace" key. You are returned to the previous level in the folder structure.
4.3 The File Menu.

4.3.1 Opening a File
You can open a file by pressing "Enter" on the selected item. You can also use "Enter-o (dots 1-3-5)" to open a file or folder. The Braille Sense U2 MINI automatically loads the appropriate application or program to open the chosen file.

You can also open a file by using the menu. Press "Space-m (dots 1-3-4)" or "F2" to open the menu, and press “Enter” on “File”. Then, press the letter "o (dots 1-3-5)," or press "Enter" on "Open".

The Braille Sense U2 MINI supports the following file formats:
1. Document files: hbl, brl, txt, pwd, brf, rtf, doc/docx, XLS/XLSX, PPT/PPTX, PDF and unprotected EPUB files are supported in the Word Processor.

2. Web formats: url, and html files are supported by the Web browser.

3. Media formats: ac3, asf, asx, m3u, mp2, mp3, ogg, pls, wav, wax, wma, wmv and flac files are supported by the Media Player.

4. DAISY books, including those from BookShare, NLS, and Open Library are supported by the DAISY player.


4.3.2 Open With

If you press "Enter" on a file type other than those mentioned above, the "Open With" dialog box appears, because the file type is not associated with a program. You can also bring up the "Open With" dialog box using the menu. By using the "Open With" menu option, you can open the currently selected file with a program other than the one originally associated with that file type. First, press "Space-m (dots 1-3-4)" to bring up the menu and press “Enter” on “File”. Navigate to "Open With," and press "Enter". You can jump quickly to this option in the File menu by pressing "e (dots 1-5)". You can also open the dialog box by pressing "Enter-e (dots 1-5)" from the file list.

This dialog box consists of the "Open With" list, the "adopt" list, a "Confirm" button, and a "Cancel" button. You can move between these elements by pressing "tab (Space-4-5)" or "shift-tab (Space-1-2)". Within the list, you can select the next item by pressing "Space-4," and the previous item by pressing "Space-1".

When the dialog box opens, "Open with: Word processor" is displayed. In this list, you can select a program, the Word Processor, Media Player, or Web Browser. Pressing "Space-4" selects the next program, and "Space-1" selects the previous program. Once you have selected the program with which to open the file type, press "tab (Space-4-5)" to move to the "adopt" list. If you have selected the Word Processor, pressing "tab (Space-4-5)" takes you to an additional list called "Open mode". Using this list, you can specify whether the file is opened as a Braille file or a text file. Press "Space-4" or "Space-1" to select one of the two file types, then press "tab (Space-4-5)" to move to the "Apply to" radio button. Use this radio button, to specify whether only the currently selected file or all of the files with the same file extension are opened with the specified program. After setting your preference, press "Enter" or "tab (Space-4-5)" to move to the "Confirm" button, and then press "Enter" to apply the settings. If you have specified a program that does not support the file type, nothing is displayed or played after the program is launched.

If you activate the "Open With" menu after focusing on folders that have DAISY or media files, the associated program, DAISY or Media Player is displayed. If you activate the "Open With" menu, and encounter a folder that does not have the DAISY info file (discinfo.html or ncc.html), the DAISY Player is not displayed as an associated program. You can play all of the files after selecting either the DAISY or Media Player.

4.3.3 Open in Second Word Processor.

By default, if you press ‘Enter” on a file supported in the Word Processor, it launches the default Word processor on the unit. However, you can open files in a second “New Word Processor”, so that you can more easily switch between documents. To do this, press “”F2” to open the menu, and press “Enter” on “File”. Navigate to “Open in New Word processor” and press “Enter”. You can also activate this function by pressing “Backspace-W (dots-2-4-5-6)” directly from the File List.
4.3.4 Zip
With this function, you can compress files and folders into a zip file. Compressing a file makes the total file size smaller, making it easier to email, or to save space on a storage device. To use the "Zip" function, follow these steps:
1) Select the files or folders you want to compress in the "file list" by using one of the methods described previously.

2) Open the menu by pressing "Space-m (dots 1-3-4)", and press “Enter” on “File”. Press "Enter" on "Zip". Or, from within the File menu, press "z (dots 1-3-5-6)". You can also activate this function directly from the file list by pressing "Enter-z (dots 1-3-5-6)".

3) Braille Sense U2 MINI prompts, "Zip filename: (default filename.zip)". "Default filename" is the file name that is used for the compressed file if you try to compress only one file or folder. If you try to compress several files or folders, the default name is the folder name that contains the files and folders.

4) Press "Enter" (or Tab to "Confirm" and press "Enter", and the zip file is created in the current directory. If you want to change the name of the zip file, you can modify the default by using the cursor keys or type in a new name. If you want to cancel, press "Space-e (dots 1-5)" or "Space-z (dots 1-3-5-6)". Or, Tab to "Cancel" and press "Enter".


4.3.5 Unzip
The "Unzip" function allows you to unzip (or decompress) a zip file, regardless of whether it was created on Braille Sense U2 MINI or a PC. To activate the "Unzip" function, use the following steps:

1) After selecting a zip file, open the menu with "Space-m (dots 1-3-4)" or "F2”, and press “Enter” on “File”. Press "Enter" on "Unzip". Or, press "u (dots 1-3-6)" from within the File menu. You can also activate this function directly from the file list by pressing "Enter-u (dots 1-3-6)" when placed on a zip file.

2) Braille Sense U2 MINI prompts, "Unzip to folder name: (default folder name)". The default folder name is the same as the compressed file name. For example, if you unzip a file called "test.zip," "unzip folder name: test" is displayed.

3) Press "Enter," or move to "Confirm" by pressing "tab ("Space-4-5")," and press "Enter". The Braille Sense U2 MINI unzips the files to the default folder. If you want to change the default folder name, you can modify the default folder name. Or, you can type a new name. If you want to cancel, press "Space-e (dots 1-5)" or "Space-z (dots 1-3-5-6)". You can also move to the "Cancel" button by pressing "tab ("Space-4-5)", and press "Enter".

Note: You can also initiate the unzip process simply by pressing "Enter" on a zip file.

4.3.6 Send To
You can use this option to copy files and folders to different drives such as a flash drive, USB flash drive (also known as USB stick memory), or an SD card. After selecting files and folders, open the menu with "Space-m (dots 1-3-4)", and press “Enter” on ‘File”. Choose the "Send To" option. When you press "Enter" on "Send To", the Braille Sense U2 MINI displays the list of drives that you can send your files or folders to. You can choose a destination drive by using the up and down arrow keys ("Space-1" or "Space-4") or up and down scroll buttons. Pressing "Enter" on the desired drive starts the copying of the selected files and folders to the selected drive. You can activate the "Send To" option by pressing "Enter-s (dots 2-3-4)" from the file list.
4.3.7 Rename
You can change the name of a file or folder by using this function. To change the name of a file or folder, move to the file or folder you wish to rename. Open the menu by using "Space-m (dots 1-3-4)" and press “Enter” on “File”. Choose "Rename" from the menu list and press "Enter", or press "r (dots 1-2-3-5)" to activate the "Rename" function quickly. You can also use the hot key "Enter-r" to activate the "Rename" function directly from the file list. The Braille Sense U2 MINI asks for a new name. On the Braille display, "New file (or folder) name: (current file/folder name)" appears. You must type the new file/folder name in ASCII characters. Press "Enter" after entering a new file name to complete the renaming process.

You cannot use the following characters in a file name or folder: “|, \, <, >, ?, :, *”


4.3.8 New Document
Use this option to create a new document. There are several ways to access this function. You can open the menu by pressing "Space-m (dots 1-3-4)", and press “Enter” on “File”. Then, navigate to "New Document" and press "Enter". Or, you can open the File menu and press "n (dots 1-3-4-5)". The hot key for this option in the "File Manager" is "Enter-n (dots 1-3-4-5)".

When the new document function is activated, the Braille Sense U2 MINI displays "File type: text (txt)". You can create two types of documents: text files and Braille files. You can use the down arrow ("Space-4") to select the "Braille (brl)" file format. When you press "Enter" on either "text (txt)" or "Braille (brl)," the Braille Sense U2 MINI displays "New document name: New Document0.txt" or "New Documen0.brl". "New Document0.xxx" is the default file name based on the file type you have chosen. The number after the new document increases by one whenever you create a new document for which you do not specify a name. You can also type in the document name you prefer and press "Enter". The new document you named is created. “|, \, <, >, ?, :, *” characters cannot be used when creating a file name.


4.3.9 New Folder
Use this option to create a new sub-folder under the current folder. Open the menu in the "File Manager" by pressing "Space-m (dots 1-3-4)”, and press “Enter” on “File”. Select "New Folder" from the File menu list. Press "Enter" on "New Folder" to activate this function. You can use the letter "f (dots 1-2-4)" to jump to the new folder option in the File menu. "Enter-f (dots 1-2-4)" is the hot key that you use to access this feature directly from the file list.

The Braille Sense U2 MINI prompts, "New folder name:,". Enter your preferred new folder name in ASCII, and press "Enter". Your new folder is created.

When creating a new folder name, you cannot use the following characters: "|, \, <, >, ?, :, *”
4.3.10 File Conversion
The "File conversion" function on the Braille Sense U2 MINI is similar to the "Save As" function in the Word Processor. This feature converts files to different file formats. The Braille Sense U2 MINI file conversion feature supports the following file formats: "Sense Word (hbl)," "Text (txt)," and "Braille (brl)".

The Braille Sense U2 MINI can convert a single file or multiple files at once to your preferred file format. Select files using the file selection method described previously. After selecting the files you want to convert, open the menu by pressing "Space-m (dots 1-3-4)" and press “Enter” on “File”. Navigate to the "File Conversion" option, and press "Enter". You can also use the letter "t (dots 2-3-4-5)" to jump to the file conversion option from within the File menu. Use "Enter-t (dots 2-3-4-5)" to execute the "File Conversion" command directly from the file list.

The Braille Sense U2 MINI prompts you to choose the preferred file format. Use the up and down arrows ("Space-1" or "Space-4") to select the desired file format. When you press "Enter" on the file format you want, the Braille Sense U2 MINI begins converting files to the file format you have chosen. The Braille Sense U2 MINI keeps the original file names for the files you have converted, except for the file name extension which reflects the new file type. If a file with the same name and extension already exists, "date" and "time" are added to the file name.
4.3.11 Search for File
Use the "Search for File" function to locate a file or folder for which you know all or part of the name, but not the location. You can press "Space-m (dots 1-3-4) to open the menu and press “Enter” on “File”. Move to "Search for File," and press "Enter". Or use b to jump to and execute the search function from within the File menu. You can press "Space-f (dot 1-2-4)" to activate this function directly from the file list. The Braille Sense U2 MINI displays the "file to find" dialog box.

The dialog box consists of the "edit box for entering the text of the name to search", a "combo box to select the current folder or a drive", "check box enabling to choose whether or not to search sub-folders", a "search button", a "cancel button" and the results list. You can use "tab (Space-4-5)" or "shift-tab (Space-1-2)" to move through the controls.

When you activate the file search, the unit prompts "File to find:" you are placed on the edit box for entering the file name to search". Type all or part of the file name and press "Enter". Braille Sense U2 MINI searches for all files containing the text you entered. When the file search is complete, you are placed in the results list.

You can navigate among the items in the results list with the up and down arrows ("Space-1" and "Space-4"). If you press "Enter" on a file, you are placed on the path where the file is stored and the file search dialog box is closed. You can open the file by pressing "Enter" on the file name again.

If you want to search for a file in just the current folder or on another drive, after typing the file name, press "tab (Space-4-5)" to move to the "Search in" combo box. You can press up and down arrows ("Space-1" and "Space-4") to navigate to “current folder” or to a different drive. If you press "Enter" either on a specific drive or on the "Search button," Braille Sense U2 MINI searches that location for files matching the text you entered in the edit box.

The drive list displays all storage devices currently connected to the Braille Sense U2 MINI. If there are many files in a drive, it can take some time to perform a search. While the search is being performed, "searching" is displayed to alert you to the fact that the search is active.

If you want to search the root of the current folder or a drive excluding sub-folders, press "tab (Space-4-5)" to move to the "Search sub-folders" check box. Press "Space" to uncheck this option, and press "Enter". By default, Braille Sense U2 MINI includes sub-folders when you search for files.
4.3.12 Information
Use this option to query The Braille Sense U2 MINI for information about files and folders. The information feature in the "File Manager" provides you with information about the file type, file size, the date and time of the file or folder's creation, and whether the file/folder is protected. Press "Space-m (dots 1-3-4)" or "F2" to open the menu, and press “Enter” on “File”. Navigate to "Information" and press "Enter". Use the letter "I (dots 2-4)" to open the "Information" feature quickly from within the file menu. "Enter-i (dots 2-4)" is the hot key for this option. You can use this hot key to access this feature directly from the file list.

The Braille Sense U2 MINI displays the information about a file or folder in the following order: file type, file size, creation date and time, and attribute. You can review this information by pressing the "tab ("Space-4-5")".

1. File type: Displays the file format information, such as "brl file," "doc file," or "txt file". When a folder is selected, this area indicates that the item is a folder containing x number of files and folders.

2. File size: displays the size of the selected file or folder. When multiple files or folders are selected, this area displays the total size of the selected files and folders.

3. Date and time: Displays the time and date the folder/file was created or modified.

4. Attribute: Displays whether the file is write protected or is writable. You can change this attribute by using the up and down arrows ("Space-1" or "Space-4") or "space." When multiple files or folders are selected, this attribute is not shown.

5. Confirm: To change the attribute, press "Enter" on "Confirm".

6. Cancel: To cancel the change, press "Enter" on the "Cancel" button.


You can also press "Space-i (dots 2-4)," while you are in the File Manager or "program" menu in the Braille Sense U2 MINI, to hear how much space is available on the flashdisk.

4.4 The Edit menu.
4.4.1 Copy / Move
"Copy" leaves the selected files and folders in their original locations, and creates copies of them in your chosen destinations. "Move" removes the selected files and folders from their original locations, and moves them to the new locations you have chosen.

Use the copy/move function as follows:

1. Select the files and folders you wish to copy.

2. Open the menu, and navigate to “edit” and press “Enter”. Choose "Copy" from the list to copy the selected files and folders. You can execute the "Copy" command directly from the file list by pressing "Enter-c". If you want to move the selected files and folders, choose "Cut" from the “Edit” menu. Use "Enter-x" to execute the "Cut" command directly from the file list. When the "Copy" or "Cut" command is executed, the Braille Sense U2 MINI returns to the file list.

3. Navigate to the destination folder.

4. Open the menu, and choose "Paste". Press "Enter" on "Paste," and your selected files and folders are copied or moved. You can press "Enter-v" to execute the "paste" command directly from the file list.

If the destination folder is the same as the source folder, the Braille Sense U2 MINI attaches "Copy1" to your original file names. If the same files are copied into the same folder a second time, the Braille Sense U2 MINI attaches "Copy2" to the original file names.

If your destination folder has the same name as the file you are copying, the Braille Sense U2 MINI prompts "File xxx already exists. Overwrite? Yes". Press "Enter" if you want to replace the file. If you do not want to overwrite the file, select "No," and press "Enter". When "No" is selected, the "Paste" function is canceled.

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