Behringer CAT Customer Support Bulletin page 4

Synthesizers and Samplers
CAT
Figure 2
On your external keyboard, press the A5 key and adjust the VCO1 SCALE trimmer (VR41 on the bottom side) while
observing the tuner display (A5-880Hz).
Repeat steps 2 and 3 above until both notes are correct in the display. This may need to be repeated several times to
get right.
Turn off the VCO1 SAW fader.
VCO2 Calibration
Turn on the VCO2 SAW fader.
On your external keyboard, press the A2 key and adjust the VCO2 OFFSET trimmer (VR44 on the bottom side) while
observing the tuner display (A2-110Hz).
On your external keyboard, press the A5 key and adjust the VCO2 SCALE trimmer (VR43 on the bottom side) while
observing the tuner display (A5-880Hz).
985-40000-01170 Rev.A
2021-02-02
Confidential, for internal use only. Not to be reproduced.
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