Apple powermac server g3 minitow Service Manual

Page of 292
 Basics
Sound - 68
• Sound playback—computer-generated sound is sent to the 
speaker and the sound output jacks.
• Sound playback with playthrough—computer sound and 
sound input are mixed and sent to the speakers and sound 
output jacks.
• Sound record with playthrough—input sound is recorded 
and also sent to the speakers and sound output jacks.