Dell Latitude D630 ATG (Mid 2007) - Manual (Page 16)

16 About Your Computer
D E V I C E ST AT U S L I G H T S
1 display latch 2 display 3 power button
4 device status lights 5 keyboard 6 touch pad
7 fingerprint reader
(optional)
8 speaker 9 touch pad buttons/track stick
buttons
10 track stick 11 keyboard status lights 12 volume control buttons
13 ambient light sensor 14 mute button 15 keyboard illumination lights