Hitachi ELITEBOOK 2730P - Manual (Page 16)

External component identification
Maintenance and Service Guide 2–3
Buttons and switches
Item Component Description
1 Internal display switch Turns off the display if the display is closed while the power is on.
2 Presentation button Starts the presentation feature.
3 Volume mute button Mutes and restores speaker sound.
4 Volume scroll zone Adjusts speaker volume:
■ To decrease volume, slide your finger across the volume scroll zone from
right to left. You can also press and hold the left end of the volume
scroll zone.
■ To increase volume, slide your finger across the volume scroll zone from
left to right. You can also press and hold the right end of the volume
scroll zone.