THORLABS PY004 User Manual page 21

PY004 High Load Pitch Yaw Platform
13) Select the Enable Restricted settings checkbox. This must be checked to enable
editing of the Restricted Parameters. This is a safeguard against accidentally
editing Restricted Parameters in the Custom Device Startup Settings mode.
14) The Zero Offset field is now editable. Add the value noted at item (4) to the value
currently shown in the Zero Offset field, and enter this new value.
15) Click Save, then click OK to save the new setting.
16) Repeat items (1) to (15) for the other axis of the stage.
17) Subsequent home moves should now move to the new aligned position.
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