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CAUTION
Do
not
insert the
CE
diagnostic cartridge until instructed
to
do so on the display. The tape might be erased
if
inserted
too
soon.
Refer
to
DCP
1 Diagnostic Mode in this section.
Hold CMD and press HOLD
Hold CMD and press - (minus) on the numeric
keyboard
Hold CMD and press • or x (multiply) on the numeric
keyboard
Press C
Hold CMD and press 1 on the numeric keyboard
Press
EXECUTE
You can return
to
DCP1
diagnostic mode from the tape
read test by holding CMD and pressing ATTN.
The tape read test is called into
read/write
storage
when CMD 1 is entered. Pressing
EXECUTE
starts the
test.
Some
of
the tests in the tape read test require answers
to
questions
put
on the display. Follow the instructions
given and answer the questions carefully. The following
message is also displayed during some
of
the tests:
PRESS
EXECUTE,
R,
OR
L
EXECUTE =
go
to
next test
R = retry this test
L
= loop on this test
Do NOT press EXECUTE,
R,
or
L until directed
to
do so
by the instructions.
The characters DCP2 MENU appear on the display when
the tape read test is finished.
The program can be rerun by
preSSing
ATTN, entering
BR
2Boo, and pressing
EXECUTE.
However, once
another program
is
selected from the DCP2 menu, the
tape read test cannot be run unless
it
is recalled
from
nonexecutable
ROS
via
DCP1.
Retry Test
Pressing R retries the present test once.
If
an
error
exists after pressing
R,
the following error message
appears
on
the display screen:
ERROR
XXX
E 80
GOTO
MAP
0300
Loop
On
Test
If
an
error occurs, pressing L causes the program
to
loop on the present test.
After
pressing
L,
a F (fail) or a
P (pass)
is
displayed on the bottom right side
of
the
display screen. The F indicates that
an
error exists and
. the P indicates that
an
error does not exist.
To stop looping, hold CMD and press ATTN. This stops
the tape read test.
5100 Diagnostics Overview 3-23
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