Adjusting The Head Azimuth Of A Commodores Datassette
| Field | One of the First Home Computers circa 1977 |
| Went Obsolete | Early 1990's |
| Made Obsolete By | When Commodore 64's and other 8-bit micros became obsolete. |
| Knowledge Assumed | The concept of centering the adjustment between spots that the sound of the data deteriorates. |
| When useful | Best caseing an adjustment that has a range of operation |
There was sometimes trouble reading programs into the computer that were stored on a audio cassette. A small jewelers Phillips head screwdriver could be inserted into a hole in the top of the cassette player and adjustments made for the best case data transfer by listening and adjusting.