Hard Drive/Optical Drive Access Indicator; Numlk Indicator; Capslock Indicator; Scrlk Indicator - Fujitsu FPCR46023 User Manual

Hard Drive/Optical Drive Access Indicator

The Hard Drive/Optical Drive Access indicator glows when your internal hard drive is being accessed.
Note that flickering is normal.

NumLk Indicator

The NumLk indicator glows when the integral keyboard is set in ten-key numeric keypad mode.

CapsLock Indicator

The CapsLock indicator glows when your keyboard is set to type in all capital letters.

ScrLk Indicator

The ScrLk indicator states that your scroll lock is active.
21 - Status Indicator Panel