There are a large number of standard prompts that can be used. Enter the name of the prompt or use the button to browse to the required file. For a sample listing of these prompts.
Useful files are:
en\MC_00 - Plays a bleep.
en\MC_01 - Plays 1 second of silence.
Entering 1234.wav will play "one two three four" (unless a file called 1234.wav has been recorded).