vernier
versatile
versus
vertebrate
vertex-fed
vertical
vertical-amplitude
vertical-centering
vertical-deflection
vertical-frequency
  vertical-hold
vertical-incidence
vertical-lateral
vertical-linearity
vertically
vertically-operated
vertical-retrace
vertical-synchronizing
vertical-wire
vertices
very

    vertical-hold control

     регулировка частоты полей

     регулятор частоты полей