Some NetMaster panels (e.g. TCP/IP : Application Name Definition List) do not show all the fields, i.e. the last input fields are not displayed.
Release : 12.2
Component : NetMaster Network Management for TCP/IP
A MOD2 type terminal (24x80) is used.
Use another larger MOD type, such as MOD4 or MOD5.
Try KEYS OFF and check if the last rows are displayed then.