[TRMW]calculated value
depth=
Processed when QAB programs are loaded or when a C application calls the trm_set_progname() function.
depth is the depth of the client area of the main
program window. If this is not specified then the value is
defaulted in one of two ways:
rows * y_factor.This value is updated when a program terminates. To prevent updating make the DP4 configuration file read only or set save_position=0.
See the cols, y_factor, and default window size pages for more information.