How to Configure Stale Data Checks?

;;;----------------------------------------------------------------------------
;;;             Preferences Form->Auto Ops->Refresh Stale Data
;;;
;;; The Stale Data Check looks for available repository updates - it runs only
;;; while there is user activity in a session
;;;
;;; VSC_STALE_IDLE
;;; Normally, the stale data check is triggered by user activity, but you can
;;; choose to run the stale data check only when the user is idle.
;;; If set, the stale data check will run after a session has been idle for
;;; at least VSC_STALE_INTERVAL.
;;;   t   - run stale data check only when the user is idle
;;;   nil - run stale data check only when the user is active (default)
;;; Note: 'idle' means not editing or viewing design data. Other activity
;;;       may not prevent the stale data check from running.
;;;
;;; VSC_STALE_ACTION ('Refresh Stale Data' in Preferences form)
;;;   "Off"|nil   - turn off stale data checking
;;;   "On"        - Update workarea & refresh session data without prompting
;;;   "Prompt"    - Ask the user what to do if stale date is found
;;;   "Display"|t - Just update the library colors
;;;
;;; VSC_STALE_INTERVAL - time in seconds to wait between stale data checks
;;;
;;; VSC_STALE_LIBS - libraries covered by the stale data check
;;;   nil       - Only include managed libraries with open cellviews
;;;   t         - Run stale data check on all managed libraries
;;;   (libs)    - Limit stale data check to named libraries
;;;
;;; VSC_STALE_EXTENT - cellviews covered by the stale data check
;;;   nil       - Only check if open cellviews are stale
;;;   "All"     - Include all cellviews (and files) in stale data check
;;;
;;; VSC_STALE_PROMPT - prompt before running the stale data check
;;;   nil       - Do not prompt before running
;;;     t       - Always prompt before running
;;;   <number>  - (seconds) only prompt if the stale data check is overdue
;;;               by at least this amount (that is, if greater than
;;;               VSC_STALE_INTERVAL + VSC_STALE_PROMPT seconds have passed
;;;               since the previous stale data check)
;;;
;;; VSC_STALE_ACTION: Dynamic
;;; VSC_STALE_INTERVAL: Dynamic
;;; VSC_STALE_LIBS: Dynamic
;;; VSC_STALE_PROMPT: Dynamic
;;;----------------------------------------------------------------------------
VSC_STALE_ACTION = "Display"VSC_STALE_INTERVAL = 300
VSC_STALE_LIBS = t
;; VSC_STALE_EXTENT = "All";; VSC_STALE_PROMPT = 7200 ; Don't prompt if idle for less than 2 hours