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VEE Measurement Program Operation
Setup Menu
Write Current
Sense Bias
Sense Bias Mode
Erase Type
Erase Current
AC Erase Frequency
Data Pattern
Track #
Radius
Skew
RPM
Write Offset
Read Offset
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written on the media per second [bps].
Specifies the current applied to the write head.
Specifies the MR bias applied to the read
head.
Specifies the MR bias type and its polarity
during a write sequence.
Either current, voltage, or power are selectable
as the MR bias type. You can set at voltage
and/or power only if the installed head
amplifier has the capability to select. When
voltage is selected, a DCR of the read head is
required to input. See "DCR Measurement" on
page 191.
As the polarity, when "Normal Mode" is
selected, the same polarity MR bias is applied
to the read head during a write sequence.
When "Reverse Mode" is selected, the MR
bias has opposite polarity to the write current
polarity during a write sequence. When "off
Mode" is selected, the MR bias is turned off
during a write sequence. You can set at the
"reverse" and/or "off" modes only if the
installed head amplifier has the capability to
select.
Specifies the erase type either DC erase or AC
erase.
Specifies the amount of current to erase.
Specifies frequency for an AC erase.
Specifies the data pattern to be written on the
test track. To set the data pattern, click on the
[Configuration] > [Setup] > [Pattern Config]
buttons to open the data pattern menu.
Specifies the track number to be tested. If the
drive is off the symbol [****] will appear.
Shows the current radius of the head. When
the head is unloaded the symbol [****] will
appear.
Shows the current skew angle of the head.
When the head is unloaded the symbol [****]
will appear.
Specifies the revolution speed of spindle.
Specifies the position of the write head to
write the data track.
Specifies the position of the read head to read
the data track.
Chapter 3
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