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VEE Measurement Program Operation
Measurement
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5. Click the [Measure] button to start measurement.
Measurement
The upper left portion of the menu shows the [Bit Error Rate], [# of Error Symbols], [#
Display
of Lost Sectors] and [Total Sectors]. The [# of Error Symbols] counts the number of
detected error bytes per sector. The [# of Lost Sectors] counts the sector where the
synchronous pattern is not detected. The [Total Sectors] on the other hand, counts the
total number of sectors including the lost sectors. This value is affected by the specified
[Average] counts and the amount of [Meas Bytes] measured bytes.
The [More Config.], [Pattern Config.], [Register Config.] and [BER Config.] buttons
are added on this menu for additional configurations. Click on any of these buttons to
set a new parameter value as required by measurement applications. The [BER
Config.] menu have the same setting and format as the [Configuration] of the BER
Main menu.
6. Click on [View Sector Data] button to open the view sector window. When you click
on [Auto Scale] the graphic scale will adjust itself automatically to its maximum and
minimum values.
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Size
Range
Compensation Pattern Setting
Auto Setting
Frequency
Offset
Aperture
Position
Compensation Revolution Setting
# of Revolution
Compensation Interval Setting
Interval
Specifies the track profile points for
calibration sequence in the track offset
compensation sequence.
Specifies the track profile range for
calibration sequence in the track offset
compensation sequence.
Checking this box will define a
compensation pattern setting
automatically.
Specifies a frequency of the burst patterns.
Specifies a offset position of the burst
patterns.
Specifies a aperture time of the burst
patterns.
Specifies a center position of the burst
patterns from the track center.
Specifies the average counts to measure a
position error signal (PES). The burst
pattern is measured for revolutions
specified by this number and calculates a
PES from the averaged value.
Specifies the interval counts for the track
offset compensation. Reading a burst
pattern and compensating a head position
are performed at each revolution specified
by this value.
Chapter 3
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