Agilent Technologies E5022A Operation Manual page 102

Hard disk read/write test system
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Track #
Offset Start
Offset Stop
Offset Step
Offset NOP
Meas. Type
NOTE
When "hpe5022_SEQ_ER_WR_M" is selected in the "hpe5022_measureTrackProfile"
function, a DC erase is performed as erase sequence, however, when [Erase Write Meas.] is
selected, the band erase is performed in this VEE measurement program. In the VEE
measurement program perform, the "hpe5022_measureTrackProfile" function is done in
the mode of "hpe5022_SEQ_WR_M" after band erase.
4. Click the [Band Erase] button to open the band erase window. Band erase is executed
only when the selected measurement sequence in [Meas. Type] parameter is "Erase
Write Meas".
Chapter 3
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VEE Measurement Program Operation
[Configuration] > [Setup] > [Pattern Config]
buttons to open the data pattern menu.
Specifies the track number to be tested.
Specifies the starting point of the head offset
in measuring the TAA track profile.
Specifies the stopping point of the head offset
in measuring the TAA track profile.
Specifies the step by which the head is moved
in measuring the TAA track profile. When you
set this parameter with [Offset Start] and
[Offset Stop], [Offset NOP] will be computed
and updated automatically.
Specifies the number of measurement points
to build the track profile. When you set this
parameter with [Offset Start] and [Offset
Stop], [Offset Step] will be computed and
updated automatically.
Specifies the type of measurement sequence.
1)[Erase Write Meas.] means to perform a DC
band erase, write data then measure. 2)[Write
Meas.] means to write data, then measure. 3)
[Meas.] means to measure only.
Measurement
101

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