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Speakers window from the Volume selection box (on the Audio tab) or
the Advanced selection box (on the Volume tab); see Figure 3-5.
Step 3: Set the output volume and the mute levels for headphones.
Figure 3-6. Sound and Audio Devices Properties —Volume Tab
(Windows XP)
Set the
headphone
mute
Set the
headphone
volume
Push
Advanced
button to open
Speaker window
(for microphone
sidetone
volume
controls)