When the screen editor is in lower case mode, the w keys work the same way they do on a typewriter. Use no m key and you get a lower case letter; use either [ key and you get an upper case letter.

To put the screen editor back into upper case mode, simply press the q key again.

Numeric mode

When you use BASIC or run an application program, you may wish to type only numbers, instead of conventional text. You can, of course, type numbers by pressing the numeric keys in the top row of the keyboard.

But if you are accustomed to using a calculator or adding machine, you may find it awkward to use these keys. You might prefer the pattern of keys that you find on your calculator:

7 8 9

4 5 6

1 2 3

0

If so, do not despair. You won’t have to teach your fingers a whole new pattern of numeric keys. Instead, just press the q key. Nothing will change on the screen, but the HX-20 is now innumeric mode, which changes the behavior of many keys.

For example, press the q key. Instead of placing a “U” on the screen, you’ll see a “4” appear. Why?

If you look carefully at your HX-20 keyboard, you’ll notice that small numbers appear in the upper right corner of several keys. These keys will generate those numbers when the HX-20 is in numeric mode. Thus, when the HX-20 is in numeric mode, this group of keys:

7 8 9 U IJ K L M

will generate these numbers:

7

8

9

4

5

6

1

2

3

0

 

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