IBM 3270 - Data Entry Keypunch Layout Keyboard

Figure 5-6. Data Entry Keypunch Layout Keyboard
Problem Determination Guide Access Panel
The 3278 keyboards contain the display station's Problem Determination
Guide. To access the Guide, press the latch shown in Figure 5-7; the access
panel will spring open. Whenever
you have a problem with your display
station, refer
to the Problem Determination Guide to determine the
appropriate action.
In addition to the problem determination procedures, the Problem
Determination Guide contains descriptions of:
• The symbols on the keyboard keys
• The Operator Information Area messages
• The display station switches and lights
Figure 5-7; 3278 Problem Determination Guide Access
5-10