cl_radar_always_centered <true|false>
If true, your player icon stays centered on the radar at all times. If false, the radar uses its full area and your icon can drift toward the edges when you're near a map's border.
Examples
cl_radar_always_centered true - Your icon stays in the middle of the radar (default).
cl_radar_always_centered false - The radar uses its full area; your icon can move toward the edges.
true and false can also be written as 1 and 0.