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Table
2-1. Special
key
functions
Key
Purpose
Tab
Moves the cursor to the right in normal mode (and to
the left in shift mode in some application programs).
Caps Lock Changes the letter keys from lower- to uppercase;
changes back to lowercase when pressed again.
Shift
Produces uppercase characters or symbols when used
with the main character keys. Produces lowercase
characters when
Caps Lock
is on.
Ctrl Works with other keys to perform special (control)
functions, such as editing operations in MS-DOS and
GW-BASIC.
Alt Works with other keys to enter alternate character
codes not otherwise available on a standard keyboard.
Backspace
Moves the cursor back one space, deleting the
character to the left.
Enter
Ends a line of keyboard input or executes a command.
Insert (Ins)
Turns insert function on and off.
Delete (Del)
Deletes characters to the right.
Home, End,
Within application programs, control cursor location.
Page Up (Pg Up),
Page Down (Pg Dn)
Num Lock Changes the function of the numeric/cursor keys from
numeric to cursor positioning; changes when pressed
again.
Esc
Cancels the current command line or operation.
F1 - F12 Perform special functions within application programs.
Print Screen Prints the screen display on a line printer.
(Prt
SC
)
Scroll Lock Controls scrolling in some applications.
Pause
Suspends current operation.
The
Num Lock, Scroll Lock,
and
Caps Lock
keys work as toggles
when you press them. When the function is enabled, the corresponding light
on the upper-right corner of the keyboard is on. When the function is
disabled, the light is off.
Selecting Execution Speed
The Equity I+ can operate at two execution speeds: 4.77MHz or 10
MHz. The first speed is IBM compatible. At the second and faster speed the
Equity I+ simply performs all tasks faster. You can select the slower speed to
run application programs that have specific timing requirements.
2-2