IBM R30 CRT Television User Manual


 
7
6
Symbol Color Meaning
(1) Drive in use
Green Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.
(2) Numeric lock
Green The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the Users
Reference.
(3) Caps lock
Green Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.
(4) Scroll lock
Green Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.
(5) Power on
Green The computer is
operational. This indicator is
on when the computer is
on.
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