Offline Tests; Offline Test Pattern - IBM 3205 Maintenance Information

1.6 OFFLINE TESTS
At the entry of the offline tests, the alarm sounds once. Several seconds later,
the test pattern appears (shown in Figure 1-4) and the status light blinks. At the
entry of the keyboard-to-display operation. the cursor is rectangular and blinking.
When a key is pressed. the cursor becomes an underline.
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Divider Line
1
TEST
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All-character pattern
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2 or 4-Color pattern
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7 -Color pattern
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Setup switches
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Flashing block cursor
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Keyed-in characters are entered in this line.
Figure 1-4. Offline Test Pattern
Nate:
This keyboard unit is a UK-English keyboard.
Bit 7 is off and bit 8 is on; all jumpers are off.
1-6 IBM 3205 Color Display Console
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