7 Test Mode
The
Matrix-1000 software includes a number
of
test routines
used
du
ring
manufacture
and
servicing.
To
access these
functions,
select Ext. Funct.
#7
and
press
Enter.
The
display will
then
show
the
test
number.
The
+
and
-
keys
change
the
test
number.
Test
0 is
an
auto-calibrate
funcnon,
a comprehensive internai
routine
that
auto-tunes
the
instrument's Oscillators.
Filters.
Voltage Controlled
Amplifiers
(VCAs)
and
other related circuits.
Press
Enter
to
start calibra-
tion.
The
display
reads
CAL. Calibration takes several seconds to
com-
plete.
The
remaining
test functions
are
useful
only
to service centers:
NOTE:
The Matrix-1000 must only be opened and adjusted
by
qualified service personnel. Unauthorized adjustments may void
your warranty.
1
Voice
display.
Press
Enter
to
toggle display
mode.
When
active.
display
shows
highest gated
volee
number,
or 0
if
no
voices
are
gated.
This test
remains
active
during
ail
modes
until calibration
test 1
is
re-selected
and
Enter
is
pressed,
or until power
is
cycled.
2
DAC
Zero.
Press
Enter
to
start.
Adjust
VR701
for
OV±1
mV
at
DACOUT
test point.
Press
any
key
to
end
test.
a Bend
Ran-ge
Vou
can
set
the
range
used
by
the
pitch
bend
control
to
be
as
much
as
two
octaves.
•
Press
Select until
you
reach
Ext. Funct.
Press
8
to
choose
the
Bend Range
function.
The
display
reads
bnd
•
Press
Enter
to
display the
bend
range
amount.
•
Use
the
+
and
-
keys
to
change
the
bend
range
amount.
Vou
can
play
as
you
change
the
value.
to
hear
how
the
bend
sounds.
The
bend
range
is
displayed
in
semitones.
The
normal
value
is
2which
means
that
the
full
bend
range
is
up
2 semitones
and
down
2
semitones.
For
a
one
octave
up
and
one
octace
down
range,
set
the
value
to
12.
Matrix-1000 Owner's Manual 39
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