REV.-A
(1) RAM Check
• The
information
message displayed in Fig. 5-11 appears.
• The RAM and V-RAM check
tests
are performed in succession and
the
follow-
ing messages are displayed
when
the
tests
are completed.
IV.!
F<
(:!
lOll
C:
!
...
j
E:
L:
i<
I '
....
1
(3
! i
\}
r~:
(::J
!""-l
c:::
!
...
,
E:
[:
J<
i:~:
r.J
f)
l\j
C)
l.·:·..l
! I
Fig.5-11
RAM
Check
Test
End
Messages
(2) Buzzer Check
• The buzzer sounds
for
approximately three seconds.
• The buzzer
further
sounds
at
two
different
tones and then
the
following
prompt
is dis-
played:
Fig.
5-12
Buzzer
Check
Test
Prompt
*
Adjust
the
sound level and
do
another check.
(3) RS-232C and Serial Interface Check
Step 1: Insert
the
RS-232C serial interface connector,
which
is connected according
to
the
instructions
in section 5-1. (The RS-232C socket is labeled on
the
PX-8
case.)
Step 2: Key in
"3"
for
the
test
menu (TEST PROGRAM SELECT). The RS-232C and
Serial Interface Check
test
will
be selected. The program runs
the
RS-232C interfa-
ce
test
first, displaying
the
following
information:
F~~:':;2:::;:2L
CHE:C!<
I
NG
RS232C
CHECK
END
NAW
Fig.
5-13
RS-232
Interface
Check
Phase
Information
Messages
Step
3:
The program then runs the serial interface
test
the
display should appear
as
in Fig.
5-14.
HIGH
SPEED SERIALING
HIGH
SPEED SERIAL
END
NOW
!!
Fig.
5-14
Serial
Interface
Check
Phase
Information
Messages
Step
4:
These messages indicate
the
end
of
the
test.
5-6
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