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4. Playback the playback gain adjustment portion(315Hz, 0dB) of test tape(QZZCFM). Check if level difference between forward and reverse direction is within 1.5dB. 5. After the adjustment, apply screwlock to the azimuth adjusting screw.
9.1.2. Tape Speed Adjustment
1. Connect the measuring instrument as shown in Fig. 4. 2. Playback the middle portion of the test tape (QZZCWAT). 3. Adjust motor VR for the output value shown below. (Refer to Fig. 5) [Adjustment target : 3000 Â± 40Hz]