IBM 3278 Series Maintenance Information page 97

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Japanese Katakana
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
r+-
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
Control key). _ _ _ _ _ _ _ _ _ _ _ _ _
-1
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 .
@j~ Qj0~~~~~t9~~~~8B ~[j @~~
t5B B~E1~@8B~E9~~tY0E9 0E9 f!j~8
®0
~~@308@j@j0~0B88B1
E9B @j00
@@ @8t9B~0@1~~§BBB§td E9~ 000
~~ntrol ~t SPACE3§~ ~sS-K:y
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