综合资料ADJUSTMENT INSTRUCTIONS Safety PrecautionsL’VCO Adjustment(For SECAM-L’MODEL)1.It is safe to adjust after using insulating transformer between the power supply line and chassis input to prevent the risk of Test Point:TP1electric shock and protect the instrument.2.Never disconnect leads while the TV receiver is on.Adjust:VR1223.Don't short any portion of circuits while power is on.4.The adjustment must be don