....1. Test tape Transport....................................................................1. Azimuth

....2. Swing arm adjustments............................................................2. Bias oscillator frequency

....3. Pressure roller tension.............................................................3. Playback pre-amp bias trap

....4. Brake adjustments....................................................................4. Playback pre-amp level, and EQ

....5. Head adjustment precedures.................................................5. Record bias trap

....6. Head penetration.......................................................................6. Record bias level

....7. Head wiring.................................................................................7. Record audio level

................................................................................................................8. Meter calibration

................................................................................................................9. Audio quality

...............................................................................................................10. Erase quality