TPX adapts the panel to the real terminal model, if the panel contains a )MODEL - )RESUME section like the TPXmenu or TPXoper displays. The logon screen does not contain these sections.
TPX always writes to the primary screen size specified in log mode if no )MODEL - )RESUME section is defined in the panel.
If you want TPX to adapt to the logon screen, change the TPX LOGO panel to include these three lines:
NOTE: The panel definitions cannot exceed 24 lines in the panel library, so you will have to delete some other lines.
CA TPX 5.4 - Programming Guide - Modifying Panels describes how to modify panels.
TEN0003 and TEN1003 are the delivered TPX logon (LOGO) panels.