Clear the quantity if any quantity or unit of measure is blank

This option clears the quantity in the target estimate if any of the source estimates does not have a quantity or a unit of measure. Examples

The quantity is blank
Setting Estimate A Estimate B Result in Target Estimate

o

0 LF

400 LF

400 LF

þ

0 LF

400 LF

0 LF

The unit is blank
Setting Estimate A Estimate B Result in Target Estimate

o

200 <Blank UOM>.

400 <Blank UOM>.

600 <Blank UOM>.

þ

200 <Blank UOM>.

400 <Blank UOM>.

0 <Blank UOM>.

If units are different, the quantity is cleared regardless of whether the checkbox is selected or not.