3-10 (E) MAV-703-7-2. Audio Output Level (CH-2) AdjustmentPreparation. S302 (E-5)/DA-134 board → 20. S304 (E-1)/DA-134 board → +4Adjustment procedure1. Input a _20 dB FS signal of 1 kHz from the AES/EBUIN connector on the ENC-47 or ENC-51 board andrecord it.2. Reproduce the recorded signal.3. Equipment : Oscilloscope or audio level meterTest point : AUDIO OUT 1 connector/DEC-98 board(in 600-ohm load)Adj. point : 1RV302 (E-4)/DA-134 boardSpec. : 3470 ±40 mV p-p (4.0 ± 0.1 dBm)Setting after adjustmentReturn the setting of switches and menus to the formerstate.3470 ±40 mV p-p3-7. DA-134 Board AdjustmentA123456BCDEGF11 1012 8 791RV301S301S303DA-134 board (A side)