Items DescriptionAdj. valueSamsung Electronics 3-3Adjustment and Adjustment3-1-2. VCR Adjustment1. VCR Adjustment Items2. How to adjust Video-Reference (V-REF).1) Connect video output cable to wave form scope. The wave form scope must be connected to monitor.(75Ω termination)2) Set to the VCR adjustment mode.3) Adjust VREF so that SYNC level of video output signal is PAL(43 IRE) and NTSC(40 IRE).V-REF Adjustment Video referenceEXTRA 7D Audio VCO PLLRECCUR 80 REC currentA-REF1 80 Audio 48KHz modeA-REF2 80 Audio 44.1KHz modeA-REF3 80 Audio 32KHz modeHDSWP Adjustment Head Adjust switchZOOMVR Adjustment Adjust center value in the ZOOM switchOPTION MODEL OPTION RESERVED(fixed value)Model Adj.valueVP-D73 C2SCD73 / VP-D73i C6VP-D75 CAVP-D76 / VP-D77 D2Model Adj.valueVP-D75i / SCD75 CEVP-D76i D6VP-D77i D6SC-D77 D6PAL NTSC* MODEL OPTIONDUBCUR 80 DUB REC CURRENT