[Ref. position (Gravity and Area)]

This item can be changed if necessary. When the measurement region is set, the reference position is automatically set at the gravity center of the region. At the same time, the reference area is also automatically set on the basis of the measurement region.
This item can be used to change the reference position to any desired position.

In the "Item tab" area, tap [Ref. positon].
In the "Image display" area, the current reference coordinates will be displayed as the cross-shaped cursor.
Change the reference.
In the "Reference coordinate setting" area, tap [...] for each item and specify the reference area and reference position coordinate values.
For how to input value, see User's Manual, "Inputting a Value"
The cross-shaped cursor in the "Image display" area will move to the specified coordinate position.
Move the cursor in the Image Display Area to change the reference.
In the "Reference coordinate setting" area, tap one of the arrow buttons.
The cursor in the Image Display Area will move one pixel per tap.
The value of the reference in the "Detail" area will also change as the cursor moves.

Note

Key issues about position Adjust

First input approximate coordinate values, then move the cursor in the Image Display Area to fine tune. This will make adjustment easier. Using the Zoom funtion will make fine tuning easier.
For the Zoom function, see User's Manual, "Using Zoom Function".