The detector output is applied directly across the potentiometer and the four vector voltages are connected to the four off-line poles of the cathode ray tube. If applied to the potentiometer is a DC voltage. The spot will then sweep out a circle whose radius is proportional to the applied voltage. Lcd Display Panel,Flat Panel Monitor,Lcd Touch Screen,Lcd Tv Panel Huangshan Kaichi Technology Co.,Ltd , https://www.kaichitech.com
