4ms Sampler Посібник користувача - Сторінка 14

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Advanced Features

Hold 2 seconds

Bank

Reverse

Calibration is quick and easy:

1. Unpatch the Pitch jack. It must be unpatched because part of the calibration routine is measuring

the "offset" voltage when no CV is being input.

2. Next, hold down Bank and Reverse for one second. The lights will all turn blue. If they turn red,

then you forgot to unpatch the Pitch jack.

3. Patch your sequencer, keyboard, or controller into the Pitch jack.

4. Play a C2 (2.00V)

5. Press Play. The lights will turn magenta. If they turn red and then go back to normal colors, then

the voltage read was not close to 2.00V. Verify this voltage and try again. Note that some

controllers output 2.00V at C0 or some other octave, so consult your controller's manual or try

various octaves.

6. Play a C4 (4.00V)

7. Press Play. The lights will turn green and fade back to normal colors. If they turn red, then read the

note on step 5 and try again.

If you saw the lights turn green, then your calibration has been saved. The calibration will persist even

after power down.

Calibrating CV jack offset

For the other four CV jacks besides Pitch, calibration is not normally necessary. However, in

exceptional circumstances (using a noisy power supply, for example), you may want to calibrate the

offset of these jacks. To do so, unpatch all CV jacks and enter CV Calibration mode as described

above. Making sure all four CV jacks are unpatched, quickly press and release the Bank and Reverse

buttons at the same time again. These two buttons should flash green and then return to blue,

indicating that calibration of these jacks is complete. At this point, you can continue the Pitch

calibration routine (starting at step 3), or you can press Play immediately to exit.

You can set the default bank to be loaded at start-up by editing the settings.txt file on the SD Card.

Look for a section that looks like this:

[STARTUP BANK CHANNEL 1]

Edit the number (15 in the above example, but it might be any number on your unit), setting it to the

number value of the bank you want the Sampler to start-up in.

For an example, See the System Settings File section page 15.

The Sampler's Pitch jack is factory-calibrated to respond at 1V/octave.

However, there is a lot of variation amongst equipment, so if you want the

Sampler to be in tune, we highly recommend calibrating the Pitch jack to your

own equipment. Anytime you patch a different sequencer, keyboard, or

controller into the Pitch jack (and you will be wanting the tuning to be accurate),

you should re-calibrate.

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