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5-14
9825A/B Diagnostics
22. Press the display key
G::J
five times. The first four presses should cause the display to
shift left, revealing,
~',
and
~ ~.
at the right
hand side. The fifth press should not change the display.
23. Press the display key
G::J
five times. The first four presses should shift the display back
through F" ..
, : J : ,
and
to its original position. The fifth press should not
change the display.
24.
Press~;
display should be
25.
Press~;
display should be
<F·:·:····
26. Press either
8
key; the shift-lock LED should go out.
27. Press
8;
follow the instructions given on the printer and display. There will be four
groups of instructions listed by the printer.
28. After doing all the steps in all four groups, type
29. Press
CD;
printer will start printing rows of brackets.
30.
Press~;
printer should stop immediately.
31. Repeat steps 29 and 30 to verify the program will start again after a reset.
32. Type ,..·.c,(;t
::::::=::,
press
CD;
display should be ,:::
,",,..i ,",·F - ; - ,:::."
t
Mainframe Statements Test
This is a short test of some processor actions which are not checked by the Control Keys Test
and a bit-for-bit check of the mainfram ROMs. To run the test, follow this procedure:
1. Type' ...
i<
2. Press
CD
3. After the calculator makes the ROM checks, follow the instructions given by the printer.
4. Many "beeps" should be audible when the display shows
c!;
e c k
Add-On ROM Test
This test checks for the proper functioning of the Extended 110 ROM, General 110 ROM, String
ROM, and Advanced Programming ROM. Instructions for running the test will appear on the
display and printer. The tests can be completed in less than 30 seconds, and the printer will
log any errors. To run the test, follow this procedure:
1. With power off, Insert the ROMs to be checked.
2. Turn power on and insert test cartridge.
3. Type "
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