7
Test Mode
The Matrix-1000 software includes a number of test routines used during
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 O is an auto-calibrate function, a comprehensive internal 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 voice number, or O
if
no voices are
gated. This test remains active during all 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.
8
Bend Ran-ge
You 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. You can
play as you change the value, to hear how the bend sounds.
The bend range is displayed
in
semitones. The normal value is 2 which
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
Summary of Contents for Matrix-1000
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