SET DEFAULT WINDOW command (full-screen mode)
Specifies which physical window is selected when a window referencing
command (for example, FIND, SCROLL, or WINDOW)
is issued without explicit window identification and the cursor is
outside the physical window areas. The initial setting is SOURCE.
LOG- Selects the session log window.
MEMORY- Selects the Memory window.
MONITOR- Selects the monitor window.
SOURCE- Selects the source listing window.
Example
Set the default to the monitor window for use with scrolling commands.
SET DEFAULT WINDOW MONITOR;