....1. Test tape Transport....................................................................1. Head height adjustment

....2. Test cassette detecting switch................................................2. Head azimuth adjustment

....3. Head solenoid position adjustment.......................................3. Playback level adjustment

....4. Brake solenoid position adjustment......................................4. Bias trap adjustment

....5. Lock lever adjustment................................................................5. Bias frequency adjustment

....6. Capstan motor adjustment.......................................................6. Dummy coil adjustment

....7. Capstan motor speed adjustment..........................................7. Record level adjustment

....8. Reel motor adjustment..............................................................8. Check programme quality

.................................................................................................................9. Test erase