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4-8 Keypad Operation MN1854
Entering Characters with the Alpha Key (In edit mode)
The ALPHA key allows you to enter almost any character into a program from the
keypad. This is useful to name your programs or subroutines, call subroutines by
name, make variable names descriptive, use operator messages or prompts, send
messages over RS–232 port or use commands not on the keypad, such as EA
or “ ”.
The letters are found on the 0–9 keys. To insert A, B or C on the #1 key:
1. Press ALPHA.
2. Press the numeric key with the character you want. (In this example,
press the #1 key once to select A, press it twice to select B, and press it
three times if you want the C).
General Rules for Using The Alpha Key
S Any number, letter or character on the 0–9 keys can be placed in a program.
S Press a numeric key 4, 5 , and 6 times to access the lower case letters.
S Press ALPHA prior to each character you wish to enter.
S Press the
← or → key to move the cursor to the next space.
S Press ALPHA to move the cursor more than one space.
Use the =O keys for additional alpha characters.
The 19 special characters shown to the right are available by pressing ALPHA and
scrolling through the list using the arrow keys.
1. Press ALPHA.
2. Press ↑ or ↓ to scroll through the list of characters.
3. When the desired character is displayed, press ALPHA or ENTER to
enter the character. The character will be displayed and the cursor will
move one space to the right.
4. Press ESC to leave the editor. The list of characters is shown in Figure
4-8.
Figure 4-8 Alpha Characters
< > ? ! @ # % & _ :
; \ ′ ″ | ↑ ↓ ← →