This will allow you to easily just type in a file number and press the search button and you will be taken right to that file number. If you pressed one of the Sort Buttons to the right, you would type the artist name or whatever the current sort is to find the audio cut that you are looking for.
Clicking on the Sort Buttons will allow you to search for an audio cut by Artist, Title, Category or Length in addition the File # which is the default.
After you find the song that you wish to use, press the Select Button.
This will allow you to easily just type in a file number and press the search button and you will be taken right to that file number. If you pressed one of the Sort Buttons to the right, you would type the artist name or whatever the current sort is to find the audio cut that you are looking for.
Clicking on the Sort Buttons will allow you to search for an audio cut by Artist, Title, Category or Length in addition the File # which is the default.
Time is only used if you want this file to be played at a certain time but at the end of whatever is currently playing at that time.