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Using the OASYS Internal Calibration Application
Important precautions
BE VERY CAREFUL!
DO NOT TOUCH ANY BUTTONS OR CONTROLS
OTHER THAN THE ONES NOTED BELOW.
TOUCH ONLY ONE CONTROLLER AT A TIME. DO
NOT MOVE MULTIPLE KNOBS OR FADERS.
Dismissing error messages
At any point, if you move a different controller from
the one that the application expects, an error message
will appear. If this occurs, simply dismiss the error
message by touching the screen, and then continue.
When is calibration necessary?
Each OASYS is calibrated before leaving the factory,
using this hidden, internal application. The resulting
calibration data is stored on the internal hard disk.
In general, it should not be necessary to re-calibrate,
unless:
• controls have drifted over time (possible, but is not
expected to be an issue), or
• the OASYS hard drive has been formatted.
Formatting the OASYS hard drive erases the stored
calibration data. Without this, physical controls may
still operate correctly–but to ensure the best
performance, it will be necessary to re-calibrate.
This is one of the reasons that Korg recommends
against formatting unless it is absolutely necessary.
Calibrating the physical controls
1. Turn on the unit, wait for the Combi screen to
appear.
2. Press and hold the following four buttons, in the
specified order, so that at the end all four buttons
are held down: EXIT, 2, ENTER, and FUNCTION.
(Other orders will work, but one in particular - starting
with ENTER + 2 - brings up a dialog box first, and
appears to put the system in a slightly strange state.)
3. Wait for a few seconds, until some strange text
appears on the screen, over-writing the main
display. (For those who are curious, these are
Linux command-line messages.) You can release
the buttons at this point.
Wait about 10 more seconds. At the end of this time,
the test application appears.
The calibration application includes a S/PDIF I/O test,
and at startup it automatically checks to see if a
S/PDIF cable is connected. If not, the screen will
display a prompt: "Connect S/PDIF Cable." For
calibrating the physical controls, it's completely
unnecessary to have S/PDIF connected–but you'll
need to dismiss the message before proceeding:
4. Touch anywhere on the screen to clear the Connect
S/PDIF Cable message.
Note the text "Fan Control" at the top of the screen.
This shows the current test section.
5. Press the INC/DEC key to browse through the test
categories (the name is shown on the top of the
screen).
You will step through "Switch & LED," "LCD," and
then "A/D Converter."
6. Stop when you see the "A/D Converter" category.
7. Press the front-panel ENTER button. You'll enter
the "Ribbon Controller" section.
8. Press your finger along the full width of the
ribbon, from left to right. "OK" will appear on the
screen.
9. After seeing 3 OKs in all, lift up your finger, and
press ENTER. At this point, the calibration data
for the ribbon is updated.
For all of the controllers below (except the rotary
encoder), follow the same procedure: move the
controller to its extreme max and min positions until
the display shows OK for all values, and then press
ENTER to proceed to the next section.
You can also use the FF>> and <<REW buttons to
move back and forth between the tests. If you find that
you are unable to get an OK message for a particular
test, use FF>> and <<REW to exit and re-enter the test,
and try it again.
10.Joystick: move up and down, left to right.
11.Vector Joystick: move all around, in a circle.
12.Knobs, faders, and value slider: move each one to
its max and min positions.
13.Rotary encoder (value dial): this test is slightly
different. Rotate the encoder clockwise to exactly
+30, and then counter-clockwise to exactly -30.
14.Tempo knob: move to max and min positions.
After the Tempo knob section, the tests proceed
automatically to the foot switch/pedal section. If you
do not have all three foot switches/pedals connected,
you can complete the calibration simply by turning off
the power.
Calibration data is stored after each test
The calibration data is stored each time you press
ENTER after completing an individual test. If you only
need to calibrate the Ribbon, Joystick, and Vector
Joystick, for instance, you can simply turn off the
power after pressing ENTER at the end of the Vector
Joystick test.
Aftertouch calibration (76-note only)
For 76-note keyboards only, aftertouch calibration is in
the "Key & AfterT" section. Calibration for the 88-key
is completely different, and not accessible via this
application.
Document version history
1.0: Initial version
1.1: Added step to clear Connect S/PDIF message
1.2: Added "When is calibration necessary?" section
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