On the NTO/PCO board there are 3 trimmers, one at each end and one in the center. The one in the center is 1V/octave tracking, and the 100R at one of the ends is high frequency tracking. Hope that helps
On the NTO/PCO board there are 3 trimmers, one at each end and one in the center. The one in the center is 1V/octave tracking, and the 100R at one of the ends is high frequency tracking. Hope that helps