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Selecting execution speed – Epson I+ User Manual

Page 31

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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.

E n t e r

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.

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