Man page 1 : xkbbell

xkbbell - XKB extension user utility

xkbbell [-display <dpy>] [-synch] [-dev <id>] [-force] [-nobeep] [-bf <id>] [-kf <id>] [-v <volume>] [-w <id>]

user utility

-display <dpy>

        specifies which display to use

-synch

        turns on synchronization

-dev <id>

        specifies which device to use

-force

        force audible bell

-nobeep

        suppress server bell, event only

-bf <id>

        specifies which bell feedback to use

-kf <id>

        specifies which keyboard feedback to use

-v <volume>

        specifies which volume to use

-w <id>

        specifies which window to use

If neither device nor feedback are specified, xkbbell uses the default values for the core keyboard device.