IBM 3278 Series User Manual

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3.3.1.2 Test Mode 2
Test Mode 2:
Key-to-CRT
Test (used
to
test the key-
board scan
codes)
Keyboard
Provides a
path from keyboard to display.
Mode
Entry: Automatic, after display is loaded
with Mode 1 pattern of characters_
Key in any characters (but do not press
..
Control key). _____________ ..J
Characters keyed in replace characters displayed in Test
Mode
1, beginning at top left of display. This is a test of
keyboard scan codes.
Note: Regardless of the characters that appear on the key-
tops, the characters displayed are those shown in the
diagram below.
Notice that certain keys cause double-
character entry, the first when the key is pressed and
the second when it is released: these keys are labeled
nn, mm, 00, and pp in the diagram .
0B88~~0~~8~~~~Rt988000
0B B~~~~~~~P1~~~pjR 80 000
0 .. 8~ .. ~~ ..... S .... D8.~~~~.K.~ .. R .. ·B~.n.0800B
00 @pj~0~0~~@RRH§~ 00 800
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For 87-Key
Keyboards
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IBM 3278 Series Specifications

General

Brand	IBM
Model	3278 Series
Category	Desktop
Language	English