Venus的盘，sf出现这样的提示，如何理解呢？

intohdd

5400.3的本盘，venus系列，sf的时候出现这样的提示，请问这是做什么呢？为什么0123四个头的提示不同呢！谢谢指点：）

Erasing HSCal OD tracks for head 00...
Erasing HSCal Ref tracks for head 00...
Erasing HSCal OD tracks for head 01...$($2C52E,01F0F,00ED,01,66,08,8F)$($2C52E,01F0F,00ED,01,69,14,8F)$($2C52E,01F0F,00ED,01,69,14,8F)(R70X:85,3C,21,48,00,85,3C,21,48,00,0005,0000)SFI
AMR

Erasing HSCal Ref tracks for head 01...
Erasing HSCal OD tracks for head 02...$($16A5B,01F0F,00ED,02,8C,08,AB)$($16A5B,01F0F,00ED,02,8F,08,AB)$($16A5B,01F0F,00ED,02,8F,08,AB)(R70X:85,3C,21,48,00,85,3C,21,48,00,0006,0000)SFI
AMR

Erasing HSCal Ref tracks for head 02...
Erasing HSCal OD tracks for head 03...$($16A5B,01F0F,00ED,03,0E,08,F8)$($16A5B,01F0F,00ED,03,11,08,F8)$($16A5B,01F0F,00ED,03,11,08,F8)(R70X:85,3C,21,48,00,85,3C,21,48,00,0007,0000)SFI
AMR

Erasing HSCal Ref tracks for head 03...ASCII logging on
$($16A5B,02E91,0000,00,44,08,05)$($16A5B,02E91,0000,00,44,08,05)(R70X:85,3C,21,48,00,85,3C,21,48,00,0008,0000)SFI
AMR

fanrangbing

后面3个头都不中了，改单头做

intohdd

噢，原来是这样，谢谢啦，O(∩_∩)O~160的，修成40的，可惜呢：）

intohdd

刚才又开了一个venus的校准，也是这样的提示，一共几个盘，不会修不够本钱吧，~~~~(>_<)~~~~