Dell S320wi Projector - Manual (Page 54)

VOLUME
The Volume menu allows you adjust the volume settings of your projector.
V OLUME —Press to increase the volume and to decrease the volume.
AUDIO INPUT
The Audio Input menu allows you to select your audio input source. The options
are: Analog In, HDMI, and Wireless/LAN.
NOTE: Avoid line input signal from plugging into microphone port. Otherwise,
user may listen to noises from speakers due to clamping and distortion of audio
signal.
Using Your Projector 54