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b.
Data Entry keyboard without Ilumeric lock
feature - characters, . and - entpr .nnrrnally; the A
character enters as
<
symbol.
c.
All keyboards with numeric lock feature - char-
acters . and - enter normaHy; keyboard should
lock and INPUT INHIBITED should light when,
and A keys are pressed. (Use Reset and
-+
keys to
move cursor from those positions.)
12. Check
t
(Up), '" (Down), and
~
(Backspace) cursor
move keys for proper operation.
13. Check the Typamatic function of the Space bar or any
other key with Typamatic.capability. Use the first field
in the fourth row of displayed data for this step.
14. Move cursor under first character displayed of test
message.
15. Press any alphameric key. INPUT INHIBITED indica-
tor should come on, and character should not enter or
display because field is designated as a protected data
field.
16. Press RESET key. INPUT INHIBITED indicator should
go
out.
17. Press ENTER
key. INPUT INHIBITED indicator
should light, and keyboard should lock.
18. Press RESET key. INPUT INHIBITED indicator should
go
out, and keyboard should unlock.
Note: The following steps check tab, DUP, and new
line functions.
19. Press
~
(Tab) key. Cursor should appear under
character A in second row of characters.
20. Press DUP key. An asterisk
(*)
should appear in cursor
position, and cursor should move under I of INSERT.
(On Operator Console keyboard, use Tab key; cursor
should move under I of INSERT, but the asterisk
should not appear.)
21. Space one character position. The I should disappear.
22. Press
t+-
(Backtab) key. Cursor should move back one
space to where the I was formerly located.
23. Press Tab key. (Use SKIP key on Data Entry key-
boards.) The cursor should appear in the first character
position of the fourth row of displayed data.
Note: The following steps test the erase and clear
functions.
24. Position cursor under character E in second row of
displayed data.
25. Press ERASE EOF key. Characters E through Z should
disappear, and cursor should not move.
26. Press E RASE I NPUT key. All unprotected data,
including keyed-in characters and field that originally
appeared as INSERT CK, should disappear from screen.
27. Proceed to paragraph 5.1.1.4 if display station being
tested has a selector light-pen attached. If a pen is not
attached, press CLEAR key. All characters remaining
5-2
on screen should disappear, and cursor shou'd reappear
in first character position in first row. Press RESET
key.
28. Proceed to paragraph 5.1.1.5 if display station has an
operator identification card reader attached. If a card
reader is not attached, test is completed. Turn power
off, and reconnect control unit signal cable.
5.1.1.4 Selector Light-Pen Tests (Optional Feature)
1. Fire pen on detectable field that has
c:J
Question mark (7)
as its first character. Question mark should change to a
greater-than
(»
symbol. Remainder of field should not
change.
2. Fire pen again on the field. The greater-than symbol
should change back to a Question mark. Remainder of
field should not change.
3. Fire pen on next detectable field that has a greater-than
symbol as its first character. The greater-than symbol
should change to a Question mark. Remainder of field
should not change.
4. Fire pen again on same field. Ouestion mark should
change back to a greater-than symbol. Remainder of
field shou Id not change.
5. Press CLEAR key. All characters on screen should
disappear, and cursor shou Id move to character location
O. Press RESET key.
6. Proceed to paragraph 5.1.1.5 if display station being
tested has an operator identification card reader
attached. If a card reader is not attached, test is
completed. Turn power off, and reconnect control unit
signal cable.
5. 1. 1.5
Operator
Identification
Card
Reader
Tests
(Optional Feature)
1. Key in a few characters on the screen.
2. Return cursor to character position 1. (Do not use
CLEAR key.)
3. Read in card reader test card (PN 2143816). The
following events should occur:
a. Keyed-in data disappears from screen.
b. Cursor moves 40 character positions.
c. INPUT INHIBITED indicator comes on and stays on.
If cursor does not move 40 spaces, read-in operation was
u nsuccessfu I.
4. Tests are now completed. Turn power off, and reconnect
control unit signal cable.
5.1.2 Display Station Operational Test (without Test
Pattern 1)
The following test sequence is a Quick checkout procedure
that can
be
used as an offline display station reliability test.
This procedure tests display station circuitry extensively,
but is not as comprehensive as the procedure described in
paragraph 5.1.1. It can be used as a Quick checkout to
verify correct operation after maintenance is performed.
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