IBM 3278 Series

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3.3.2.1 Requesting Online Tests
CONTROL UNIT TO DISPLAY STATION ONLINE TESTS
•
Test primarily terminal adapter and coax-and, through interactive test (Test 0, Routine 3), also .display station.
•
E:rror log display and erase functions (referred to as "tests").
•
Test requesting display-or another display (or printer DA and coax) specified by requesting display.
•
Display test results at requesting display.
•
Run concurrently with customer application in subsystem (but station to be tested must not be in session if SNA, and not
in WAIT state if BSC).
Objective
Activity
Result
1. Start test.
Press and hold AL T; strike TEST, and then release
Display
is cleared.
both keys.
TEST is displayed in operator information area .
2.
Do
one of following:
•
Run test 0 on requesting Key in:
/
display. Press: Enter
T~' Db";,,, }
See par. 3.3.2.2
•
Run test 0 on display
Key in:
AA/
{ AA
is port address
for test details.
other than requesti ng Press: Enter of display to be tested.
Test 0 begins.
display.
•
Run test other than 0
Key in:
/B
{ B
is number of selected
on requesting display. Press: Enter
test to be ru n
Selected test begins.
(1 ,2,3,4,5,6,or 8)
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