UCM$HELP.HLB  —  SHOW  EVENTS
    Displays important events that occur on the USB bus. Data
    displayed can include information about device events, such as
    removals, connections, unrecognized devices, new devices, and so
    on.

    Format

      SHOW EVENTS

1  –  Qualifiers

1.1    /BEFORE 

       /BEFORE=time

    Selects events that occurred before the specified time. You can
    specify time as an absolute time, as a combination of absolute
    and delta times, or as the keyword TODAY (default), TOMORROW,
    or YESTERDAY. Times are expressed in standard OpenVMS date/time
    format.

1.2    /OUTPUT 

       /OUTPUT=file-name

    Writes the selected events to the specified file. By default,
    output is sent to the current SYS$OUTPUT device (usually your
    terminal).

    You cannot use the /OUTPUT qualifier with the /PAGE qualifier.

1.3    /PAGE 

       /PAGE
    /NOPAGE (default)

    Controls how information is displayed. /PAGE displays events on
    one screen at a time.

    You cannot use the /PAGE qualifier with the /OUTPUT qualifier.

1.4    /PRIORITY 

       /PRIORITY=(keyword[,...])

    Selects the event priorities to display. By default, only
    CRITICAL aand NORMAL event priorities are displayed. Additional
    messages are available as INFORMATIONAL or debug priority
    information.

    The keywords in the following table are valid. CRITICAL and
    NORMAL are the defaults.

    Keyword            Description

    CRITICAL           Errors and critical information
    NORMAL             Normal event reports such as device
                       configuration
    INFORMATIONAL      Additional informational messages from drivers
                       or UCM
    DBG1               Debug level 1 information
    DBG2               Debug level 2 information
    DBG3               Debug level 3 information
    ALL                All event priorities

1.5    /SINCE 

       /SINCE=time

    Selects only those events that occurred on or after the specified
    time. You can specify time as absolute time, as a combination of
    absolute and delta times, or as the keyword TODAY (default) or
    YESTERDAY.

1.6    /TYPE 

       /TYPE=event-type

    Selects only the specified type of events. Valid event-types are
    the following:

    ALL            All event-types (default).

    CONFIGURED     Device was recognized and configured.

    DECONFIGURE    Device was removed from the bus.

    DRIVER         Driver events.

    UCM            UCM server events.

    UNCONFIGURE    Device was recognized but not configured.

    UNKNOWN        Event type is unknown.

1.7    /VALUE 

       /VALUE=event-number

    Selects only the events specified by the event number. In a
    future version of this product, you will be able to use this
    qualifier as an alternative to the /TYPE qualifier for events
    that do not have an assigned keyword.
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