The keys field is located in the upper left corner of any inventory screen in the Inventory module.
Like other modules in the NCAS, the NEXT FUNCTION field is used to navigate from screen to screen in the Inventory module. In addition, the KEYS field is used to directly access specific data on an IN screen.
In other words, to access data on an IN screen, you must specify both of the following:
Note: Some screen identifiers in the Inventory module may be four letters, unlike the three letter screen identifiers used in most of the other NCAS modules.