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VEE Measurement Program Operation
Measurement
Write Precompensation Sweep (Parameter Sweep)
Overview
This section describes the Write Precompensation Sweep. Write Precompensation Sweep
measurement can be used to observe the TAA, PW, 5th Harmonic NLTS, Overwrite and
Narrow Band TAA.
Measurement
1. To open the Precompensation Sweep menu, click on the [Precomp Sweep] button from
Procedure
Figure 3-68
Precompensation Sweep Menu
NOTE
Before you execute this measurement, you should set an appropriate input range or execute
the Auto Configuration to set the input range automatically.
NOTE
Before you measure write precompensation sweep, you must set the "Precomp Pattern
Select" to "001"(prebit) from the [Precomp. Config] menu. And set the [NLTS-5th]
parameter to 'ON' from the Precomp Status frame of the [Precomp. Config] menu.
2. Set the parameters, click on each button to enter a new value.
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the Parameter Sweep frame of the Measure menu.
Channel Bit Rate
Write Current
Sense Current
Track #
Delay Start
Specifies the speed at which data bits are
written on the media per second [bps].
Specifies the current applied to the write head.
Specifies the current applied to the read head.
Specifies the track number to be tested.
Specifies the time to start the delay for write
precompensation.
Chapter 3
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