Deletion Indicator IN Service PO

Dear All,

The deletion indicator at Item Detail level in a Service PO is at Display mode.

How to make it to optional?

In SPRO >MM >External Sercvices Managment-->Defien Screen layout

Deletion Indicaor found in Entry Sheet in Field Selection Key 4,ME22n but has no effect.

Kindly reply how to do this?

Regards