HP Presario CQ40-400 - Notebook PC User Manual page 7

Component
(9) Volume down hotkey (pg dn)
(10) Volume up hotkey (pg up)
(11) Volume mute hotkey (home)
Description
WARNING! To reduce the risk of personal injury, adjust the
volume before putting on headphones, earbuds, or a headset. For
additional safety information, refer to the Regulatory, Safety and
Environmental Notices.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
Decreases speaker sound when pressed in combination with the
fn key.
Increases speaker sound when pressed in combination with the
fn key.
Mutes and restores speaker sound when pressed in combination
with the fn key.
Identifying your multimedia components 3