TM 5-6675-31614
Table 2-8. TEST DESCRIPTION - Cont
Description
Test
NOTE
Display Memory Diagnostics
Verifies the lK display memory by
Functional Test
Test 1:
performing a dynamic test pattern (up-
down) and extended sequence test. The
test in progress is visible on the
screen.
An error is indicated by a continuous
buzzer tone. An error indicates a
problem in the character generator
board.
Successful completion of the test
returns program control to the
supervisor routine, at which time
will be displayed on the screen.
Individual test can then be requested
by appropriate test number.
Carriage Diagnostics
Upon initiating this test, primary
Functional Test
Test 2:
message request that carriage be
physically placed off its limits.
Test 3:
Stepping Accuracy Test
This test accuracy and repeatability of
carriage stepping assembly and home
position (left limit) switch. If error
occurs in functional or accuracy tests,
program will automatically run tests 4
and 5, which will continue to cycle
is entered from keyboard, returning
program control to supervisor routine.
Test 4:
Cycles carriage 1500 steps (2 times)
forward and reverse. Allow test to run
for at least one minute.
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