LG 42PQ30 Training Manual page 51

V Set Up Too High or Low
V Set Up Too High or Low
Ramp (Vset UP) too high
Ramp (Vset UP) too low
Panel Waveform Adjustment
The center begins to wash out and arc due to Vset UP
Peeking too late and alters the start of the Vset DN phase.
Very little alteration to the picture, the wave form indicates a
distorted Vset UP. The peek widens due to the Vset UP
peeking too quickly.
51 Preliminary Information 42PQ30