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SECTION 4
DIl\GS1_0.00c
12113/92
4.17
K2000
and
K2000R
DIAGNOSTICS VERSION
1.0
(K2000
WITH VERSION
1.2
ENGINE
SOF'l'WARE)
This
document
is
intended
only
for
qualified
Kurzweil
service
technicians.
It
will
explain
how
to
use
the
K2000's
and
K2000R's
internal
diagnostic
software,
describing
the
significance
of
success
or
failure
of
each
of
the
individual
tests,
and
when
applicable,
the
measures
required
to
correct
test
failures
will
be
given.
This
document
is
for
use
with
K2000
and
K2000R
Diagnostic
software
Version
1.0,
which
is
included
with
K2000
and
K2000R
Engine
software
Version
1.2x.
If
you're
working
on
a
K2000
with
Engine
software
1.0,
please
refer
to
the
manual
for
K2000
Diagnostic
software
Version
0.4.
Since
the
diagnostic
software
is
the
same
for
both
the
K2000
and
K2000R,
this
document
will
only
refer
to
the
K2000.
However,
all
information
also
applies
to
the
K2000R.
4.18
INTRODUCTION
This
introduction
will
explain
the
general
structure
of
the
diagnostic
software,
and
the
types
of
tests
that
can
be
performed.
4.18.1
Diagnostic
Software
Structure
Upon
entering
the
K2000's
diagnostic
mode,
a
menu
of
available
tests
will
display.
The
options
are
to
run
the
standard
Burn-in
test,
or
to
select
individual
tests
to
diagnose
specific
components.
The
Burn-in
test
automatically
initiates
a
series
of
tests
to
check
the
basic
functionality
of
the
K2000's
hardware.
There
are
three
general
types
of
tests:
RAM, ROM,
and
I/O
(input/output).
The
descriptions
of
each
diagnostic
test
will
identify
their
general
types.
4.19
USING
THE
K2000
DIAGNOSTIC
SOFTWARE
4.19.1
Enterinq
Diagnostic
Mode
IMPORTANT NOTE:
Before
beqinninq
the
diagnostics,
be
sure
that
the
owner
of
the
K2000
has
backed
up
any
data
stored
in
RAM,
since
the
diagnostics
will
completely
clear
the
unit's
RAM.
Refer
to
section
13
of
the
Musician's
Guide
for
details
on
backinq
up
RAM.
To
enter
Diagnostic
mode,
hold
the
1,
2,
and
3
buttons
on
the
alphanumeric
buttonpad
and
turn
the
unit
on.
A
special
power-up
menu
will
appear
(see
Figure
4.12),
showing
two
options:
HARD
RESET,
and
DIAGNOSTICS.
Use
the
Alpha
Wheel
to
select
the
desired
option,
highlighting
it
in
reverse.
Then
press
the
ENTER
button
to
execute
your
choice.
Selecting
DIAGNOSTICS
will
enter
the
K2000's
diagnostic
mode.
Selecting
HARD
RESET
will
reset
the
K2000
(erasing
all
RAM)
and
return
it
to
Program
mode.
To
cancel
the
special
29

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