Apple AppleVision monitors (OS 7.1) - Manual (Page 20)

Setting volume controls
Several different volume settings affect how you hear sound on your
computer and AppleVision monitor. You use the Monitors & Sound control
panel to set these volume levels:
m computer speaker
m computer sound output
m system alert
m AppleVision speakers
m AppleVision headphones
You might need to adjust more than one volume setting in order to obtain the
results you want.
Adjusting computer speaker volume
To adjust the volume of the speaker built into your computer, follow these
steps:
1 Open the Monitors & Sound control panel, then click the Sound button.
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Adjust these
settings.