9-3. Recording Level AdjustmentBOARD Audio LCDSPEC. -20dBu ± 0.2dBTEST Multi Connector (CH1, CH2)ADJUST VR102, VR202INPUT NTSC : 1kHz 4dBu Sine WavePAL : 1kHz 0dBu Sine WaveMODE STOPM.EQ<1> Audio Precision, VFK1210<2> VTVM, SHAN-C12TCA, CR OscillatorSW SettingAUDIO IN CH1 : REAR, LINEAUDIO IN CH2 : REAR, LINEAUDIO SELECT : MANUAL<1. Using Audio Precision>1. Connect multi connector with Audio Precision usingVFK1210.2. Set the AUDIO LEVEL VRs to center position.3. Input the signal mentioned above to AUDIO IN CH1connector.4. Adjust the VR102 so that the level of CH 1 OUT(multi connector) is within specification.5. Input the signal mentioned above to AUDIO IN CH2connector.6. Adjust the VR202 so that the level of CH 2 OUT(multi connector) is within specification.<2. Using VTVM>1. When using VTVM, connect multi connector withVTVM with SHAN-C12TCA.(Red : CH1, Black : CH2)2. Follow the same procedure as <1. Using AudioPrecision>.3. Use the cable shown below to input signal.9-4. Meter AdjustmentBOARD Audio LCDSPEC. NTSC : 0.63 ± 0.005VPAL : 0.71 ± 0.005VTEST TP102, TP202ADJUST VR103, VR203INPUT NTSC : 1kHz 4dBu Sine WavePAL : 1kHz 0dBu Sine WaveMODE STOPM.EQ <1> Digital Volt Meter, Audio Precision<2> Digital Volt Meter, CR oscillatorSW SettingAUDIO IN CH1 : REAR, LINEAUDIO IN CH2 : REAR, LINEAUDIO SELECT : MANUAL<1. Using Audio Precision>1. Input the signal mentioned above to AUDIO IN CH1connector.2. Adjust the VR103 so that the DC voltage at theTP102 is within specification.3. Input the signal mentioned above to AUDIO IN CH2connector.4. Adjust the VR203 so that the DC voltage at theTP202 is within specification.5. Confirm that the Audio Level Meter on LCD indi-cates one scale higher than -20dB.<2. Using CR Oscillator>1. Follow the same procedure as <1. Using AudioPrecision>.
