Figures 
1-1. 
2-1. 
2-2. 
2-3. 
24. 
2-5. 
2-6. 
2-7. 
2-8. 
2-9. 
3-1. 
3-2. 
3-3. 
34. 
3-5. 
3-6. 
3-7. 
3-8. 
3-9. 
3-10. 
3-11. 
3-12. 
3-13. 
3-14. 
3-15. 
3-16. 
3-17. 
3-18. 
3-19. 
3-20. 
vi 
All data processing systems have Input, Processing and 
Output sections. 
1-5 
IBM 
3278 Display Station 
2-7 
When the horizontal bar and the Ready indicator appear, 
your display station is warmed up and ready to 
operate.  2-8 
The image 
on 
your screen might look like this.  2-12 
Bank checks have a standard arrangement.  2-12 
The normal cursor looks like an underscore.  2-15 
The alternate cursor 
is 
a reversed character image.  2-16 
The cursor wraps when you move it 
off 
any edge 
of 
the 
display area.  2-17 
3278 Operator Panel Lights  2-18 
Operator Information Area Layout  2-19 
3278 Problem Determination Guide Access 
34 
Typewriter Keyboard 
3-5 
Data Entry Keyboard 
3-5 
Data Entry-Keypunch Layout Keyboard 
3-5 
Attribute Select Typewriter Keyboard  3-6 
Attribute 
Select Typewriter/APL Keyboard  3-6 
Attribute 
Select Overlay Keyboard 
3-6 
Typamatic (Repeat-Action) Keys 
3-8 
Alphabet Keys 
3-9 
Numeric Keys  3-10 
Some symbols are located 
on 
numeric keys. 
3-11 
Some keys contain only symbols and punctuation 
marks.  3-12 
PF1-PF12 
Keys  3-14 
Typamatic (Repeat-Action) Keys  3-18 
Alphabet Keys 
3-20 
Symbol 
and Punctuation Mark Keys 
3-21 
Program Function (PF) Keys  3-24 
Spacebar  3-25 
Cursor Control Keys  3-25 
New Line Key Operations  3-27 
3-21. 
3-22. 
3-23. 
3-24. 
3-25. 
3-26. 
3-27. 
3-28. 
3-29. 
4-1. 
4-2. 
4-3. 
44. 
4-5. 
4-6. 
4-7. 
4-8. 
4-9. 
4-10. 
4-11. 
4-12. 
5-1. 
5-2. 
5-3. 
54. 
5-5. 
5-6. 
5-7. 
5-8. 
Tab Key Operations  3-28 
Back Tab Key Operation  3-29 
CURSR SEL Key Selectable Fields  3-33 
Use 
the 
Insert key 
to 
insert missing information. 
341 
Insert Mode Example 
342 
Canadian-French Dead Keys (Typewriter Keyboard) 
344 
Canadian-French Dead Keys (Data Entry Keyboard) 
344 
Attribute Select Keys 
PFI-PFI2 
348 
Attribute Select Keys 
PF13-PF24 
349 
3278 Selector Light Pen  4-3 
When the selector light pen 
is 
being used, correct positioning 
of 
the tip 
of 
the pen 
is 
important.  4-3 
Designator characters tell you about the data 
on 
your 
screen. 
44 
Magnetic Slot Reader  4-6 
Magnetic Hand Scanner  4-6 
Only authorized operators may use a display station 
that 
has 
a security key lock.  4-9 
Control 
Unit Selector Switch  4-12 
APL/Text Character 
Set  4-14 
Typewriter/APL Keyboard  4-15 
Graphic Characters Entered 
by 
the Typewriter/APL 
Keyboard (2 Parts)  4-17 
Typewriter/Text Keyboard 
4-20 
Graphic Characters Entered 
by 
the Typewriter/Text 
Keyboard (2  Parts)  4-22 
IBM 
3278 Display Station  5-3 
3278 Operator Controls and Lights 
5-5 
The alternate cursor 
is 
a reversed character image.  5-7 
3278 Typewriter Keyboard  5-9 
3278 Data Entry Keyboard  5-9 
Data Entry Keypunch Layout Keyboard 
5-10 
3278 Problem Determination Guide Access  5-10 
Canadian French Dead Keys  5-13