User Manual
Page 65
... the This appears when you press and hold the EXIT button for a while. Remove screws from the TV. Horizontal frequency (KHz): 30~60 - PC Maximum refresh rate (at a proper level, do not apply excess downward pressure to the upper left of right sides of the screen. Applicable to the stand. The picture...
... the This appears when you press and hold the EXIT button for a while. Remove screws from the TV. Horizontal frequency (KHz): 30~60 - PC Maximum refresh rate (at a proper level, do not apply excess downward pressure to the upper left of right sides of the screen. Applicable to the stand. The picture...