| 摘要 |
A data recording device for storing data, the data recording device includes: a medium for storing data; a head assembly including a read element for reading out data stored in the medium and a heater for controlling a distance between the read element and the medium within a predetermined range during data reading out by the read element; and a processor for executing a test process comprising: controlling the distance between the read element and the medium in a test range outside the predetermined range by controlling the heater, and reading out test data from the medium while the distance between the read element and the medium is maintained in the test range so as to evaluate the data recording device.
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