Acer PD126D series - Manual (Page 34)

English...32
User Controls
Audio
(Computer / Video
Mode)
Volume
Press the to decrease the volume.
Press the to increase the volume.
Mute
Choose the “On” to turn mute on.
Choose the “Off” to turn mute off.
Power On/Off Volume
Choose this function to adjust volume when power on/off.
Alarm Volume
Choose this function to adjust volume when there are errors of the
projector.