Global Parameter Access Symbols Overview | Symbol List

Display Control

These Global Parameter Access Symbols (GPAs) manipulate Display Control.

There are several terms associated with each GPA which define the way in which the symbol can be used.

ACCESS TYPE defines the READ/WRITE status of the GPA. GPAs contain data which is either object or number valued and which can be extracted (READ) for use in your program. Some symbols allow you to alter the data directly (WRITE) by assigning the properly valued data to the GPA.

DATA TYPE defines whether a particular GPA is object, number, or string valued. The data associated with a GPA, if object valued, must be

RANGE defines the numerical value which can be used with the GPA symbols in your program. Some GPAs have multiple parameters (e.g. &ON and &OFF).