Agilent Technologies E5022A Operation Manual page 439

Hard disk read/write test system
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Ramp Load
Ramp Load
Configuration Menu" on page 229. Next, specifies the speed on ramp, init radius, init skew,
head position restriction, and the other parameters.
The init radius and the init skew are defined as follows.
init radius
init skew
Figure H-9
Init Radius and Init Skew
Start the measurement. The loading sequence is as follows.
1. The ramp moves to the Ramp In position from the Ramp Out position as shown in
2. The head moves to the ramp load position from the home position which is specified by
3. The head is loaded.
4. The head moves to the media load position with the specified speed which is specified
5. The ramp moves to the Ramp Out position from the Ramp In position.
6. The head moves to initial track which is specified by the
Unload the head. The unloading sequence is as follows.
1. The ramp moves to the Ramp In position from the Ramp Out position as shown in
2. The head moves to the media load position from the initial track.
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A radius that the head is moved to after the head is loaded.
A skew angle that the head is moved to after the head is loaded. The
init skew range is -60° to 30°.
Figure H-10.
using the ramp load positioning utility.
by using the ramp load positioning utility.
Figure H-10.
init radius
and the
init skew
Appendix H
.

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