IBM 3278 Series User Manual

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Test Name
Test Mode 3
(Cont'd)
31
32
33
34
35
36
1 Activity
Switch power off, then on. ..
Press Control key, B key twice, then
Control key.
Press
G key twice. ~
Press Control key, then B key twice.
Press
Control key.
Press
G key twice. It
Press Control key.
Press
B key twice.
Press M key.
Press and
hold 2 key until 2's appear in top
line ((D) type).
Press and hold 3 key until 3's appear in top
line ((M) type).
Press and hold 4 key to enter eight to ten 4's
((D) type).
Result
Power·On Reset occurs.
All positions become 0 except operator information area.
Operator information area displays Os.
Note: All references to keys to be used in Test Mode 3 are
identified by the diagram shown for Test Mode 2. (Do not
identify keyboard keys by the characters that appear on the
key tops.)
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IBM 3278 Series Specifications

General

Brand	IBM
Model	3278 Series
Category	Desktop
Language	English