Epson CW3S16 Operation Manual page 50

Key
Sys Req
PrtSc
Home, End,
PgUp, PgDn
Ins
Del
The Num Lock, Scroll Lock, and Caps Lock keys work as
toggles; press the key once to turn on a function and again to
turn it off. When the function is enabled, the corresponding
light on the top right comer of the keyboard is on. When the
function is disabled, the light is off.
3-4 Using Your Computer
Purpose
Produces the system request function in certain
applications.
Prints the screen display on a dot-matrix printer.
Control cursor location in some applications, such as
word processors, game programs, and
spreadsheets.
Turns the insert function on and off in some
application programs.
Deletes the character at the cursor positlon.
Figure 3-2. Keyboard LED