Monitor

FIG. 1 is a perspective view of a monitor showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a reference perspective view of the screen display state of the monitor.

The broken lines in the figures illustrate environmental structure on the monitor and form no part of the claimed design.