Pressing
or
the top of the display. The annunciator remains on until you press the next key. To
cancel a shift key (and turn off its annunciator), press the same shift key again.
Alpha Keys
Left-shifted
Right-shifted
Most keys display a letter in their bottom right corner, as shown above. Whenever
you need to type a letter (for example, a variable or a program label), the A..Z
annunciator appears in the display, indicating that the alpha keys are
"active".
Variables are covered in chapter 3; labels are covered in chapter 13.
Cursor Keys
Each of the four cursor direction keys is marked with an arrow. In this text we will
use the graphics
turns on the corresponding
function
function
Õ
Ö
×
,
,
Ø
and
to refer to these keys.
or
annunciator symbol at
Letter for alphabetic
key
Getting Started
1-3