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Position Error Monitor
This function allows you to monitor the head position drift with or without the track offset
compensation function.
1. Click the [Position Error] button to open the position error menu. Once the position
error menu open, the state of the track offset compensation is turned on. This means,
the burst patterns area is assigned in the first certain portion of the track.
Figure 3-130
[Erase&Write] >[Position Error] Menu
2. Set the parameters, click on each button to enter a new value.
Track Offset Compensation
Cal & Write
Stop Count
Meas. Interval
Meas. Position
Chapter 3
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VEE Measurement Program Operation
Activates the track offset compensation
function. When it is not checked, the position
error is monitored without the position
compensation.
Executes the calibration for track offset
compensation and writes the burst patterns.
Specifies how many times the
monitor/compensation sequence(s) is
repeated.
Specifies the interval time of the
monitor/compensation. Increase this value
when you want to monitor for a long time.
Specifies the offset position where the drift is
monitored. TAA is also measured at this
position. You should consider the read/write
offset for setting this value.
Measurement
209
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