PCA$HELP.HLB  —  SELECT  Qualifiers

1    /ERROR 

    If you specify a display, selects it as the current error
    display. This causes all PCA diagnostic messages to go to that
    display. The display specified must be either an output display
    or the PROMPT display.

    If you do not specify a display, the PROMPT display is selected
    as the current error display. By default, the PROMPT display has
    the error attribute.

2    /INPUT 

    If you specify a display, selects it as the current input
    display. This causes that display to echo PCA input (which always
    appears in the PROMPT display). The display specified must be an
    output display.

    If you do not specify a display, the current input display is
    deselected and PCA input is not echoed to any display (PCA input
    appears only in the PROMPT display). By default, no display has
    the input attribute.

3    /OUTPUT 

    If you specify a display, selects it as the current output
    display. This causes PCA output that is not already directed
    to another display to go to that display. The display specified
    must be either an output display or the PROMPT display.

    If you do not specify a display, the PROMPT display is selected
    as the current output display. By default, the OUT display has
    the output attribute.

4    /PLOT 

    Directs all output from PLOT, TABULATE and related commands to
    the specified display. This display becomes the current plot
    display. By default, the PLOT display has the plot attribute.

5    /PROMPT 

    Selects the specified display as the current prompt display.
    This is where PCA prompts for input. Currently, only the
    PROMPT display may be specified. Note that you cannot deselect
    the PROMPT display (the PROMPT display always has the prompt
    attribute).

6    /SCROLL 

    If you specify a display, selects it as the current scrolling
    display. This is the default display for the SCROLL, MOVE,
    and EXPAND commands. Although any display may have the scroll
    attribute, note that you can use only the MOVE and EXPAND
    commands (not the SCROLL command) with the PROMPT display.

    If you do not specify a display, the current scrolling display is
    deselected and no display has the scroll attribute.

7    /SOURCE 

    If you specify a display, selects it as the current source
    display. This causes the output of all TYPE commands to go to
    that display. The display specified must be a source display.

    If you do not specify a display, the current source display is
    deselected and no display has the source attribute.
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