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You can enter standard upper-case and lower-case letters, using the
I
Shift
I
key to access the alternate case.
Type a few words, pressing
I
Shift
1
to change the case of the first letter
of each word. Now press
~
and continue typing. Notice that the
alternate case accessed by
I
Shift
1
depends on the setting
of~.
Press
I
Shift
H
Clear line
I
when finished.
The
I
Return
1
key has three functions:
• When a running program prompts you for data, respond by typing the
requested data and then pressing
I
Return
I.
This signals the program that
you have provided the data and that it can resume execution.
• When typing in lines of a program, the
I
Return
1
key is used to store each
line of program code.
• After typing in a command, the
I
Return
1
key causes the command to be
executed.
Type
EDIT
and press
I
Return
I.
Notice the number
10
now displayed on
the screen-this is the line number of the first line of.a BASIC program.
The computer is waiting for you to type in the line. Type:
!FIRST LINE
and press
I
Return
I.
Notice that the computer accepts the statement as
a program line and displays
20
in preparation for the next one. Press
~
when finished.
Pressing
I
Enter
1
is the same as pressing the
I
Return
1
key.
Pressing
I
Print
1
(I
Shift
H
Enter
I) prints a complete copy of the alpha display
on the default printer. The shifted version of the key directly above the
[2]
key in the numeric keypad (labeled Dump Alpha on the overlay)
performs the same function.
ITF Keyboards
7-3
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