Radio Shack TRS-80 PC-3 Owner's Manual page 15

I
CD
I
CD
DEL
~
INS
CB
ON
(SRK)
key is similar to the Carriage Return key on a typewriter. You must press
(ENTER)
before the PC-3 will act on alpha-
numeric input from the keyboard. Pressing
(SHIFT)
before pressing this key will cause the PC-3 Pocket Computer
to switch on and off the printing of calculations on the PC-3 printer.
@El
key. This is a special key used to execute BASIC programs.
(SHIFT)
key. Press this key before pressing any key which has a character above it and the character atove is displayed.
(Note: Not used to capitalize letters as all alphabet keys on the PC-3 are in upper case).
Down Arrow key. Press this key to display the next program line. Pressing
(SHIFT)
before pressing this key produces
a left parenthesis.
Up Arrow key. Press this key to display the previous program line. Pressing
(SHIFT)
before pressing this key produces
a right parenthesis.
Backspace key. This key allows you to move the cursor to the left without erasing previously typed characters. Pressing
(SHIFT)
before pressing this key will DELete whatever character the cursor is "on top of".
Forward key. This key allows you to move the cursor to the right without erasing previously typed characters. Pressing
(SHIFT)
before pressing th is key makes a space directly before the characte r the cursor is "on top of". You can then
INSert new characters into this space.
BREAK key. The
~
key temporarily interrupts a program which is beingexecuted. Pressing this key after an AUTO
OF F turns the computer back on.
#
$
%
&
?
These symbols are found above the top row of alphabet keys. Pressing
(SHIFT)
and then the alphabet key under
the character desired displays these symbols.
13