Local Basic Operations 287Figure 4-2574.17 AudioThe audio function is to manage audio files and set schedule play function. It is to realize audiobroadcast activation function.This function is for some series product only.4.17.1 File ManageYou can add audio files, listen to audio files, rename and delete audio files, and configure theaudio volume.Step 1 Select Main Menu > AUDIO > File Manager.The File Manager interface is displayed. See Figure 4-258.
