Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, DYNIMGSET  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 setting image image_name

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger is automatically setting the image
    containing the current PC. This is only an informational message.

    User Action: None