Other. Question: What kind of files can I play on Milestone 312? Answer: In the application “Audio” Milestone 312 plays files in the format MP3, AAC, WMA or WAV and text files in TXT. These files you can copy directly to Milestone 312. The application “Books” reads intelligent talking books, such as DAISY 2.02, NLS and Audible AA & AAX. Question: How to change time and date on Milestone 312? Answer: Press the lower "Mode" button until the unit starts talking. Now, press the "Right arrow" twice. You will get into the "Basic Settings" menu stream. Now, you can navigate up and down with the upper "Rec" button and lower "Mode" button, to choose date and time settings. You can do your selection with the arrow buttons. When finished, simply wait for a few seconds until the unit has a time out, or press the tiny "Selector" button on the very top, in case you are in a hurry. Question: What is the Jump Back Feature for Audio? Answer: In the file „CONFIG MILESTONE.TXT“ on the internal memory of your Milestone 312, you can activate the Jump Back Feature. Therefore open the file and change under Audio the feature „Jump back“ from „Off“ to „On“. Therewith you can jump back to the previous position you have been, before using a quick jump to a defined folder. This feature uses the combination “Selector” and “Mode”. Please be aware that when you activate the Jump Back Feature in the „CONFIG MILESTONE.TXT“ file, you can only use 4 shortcuts for quick jumps because the combination “Selector” and “Mode” is used for the Jump Back Feature.