cl_radar_scale_dynamic <true|false>
If true, the radar scales dynamically to keep all of your teammates visible on it. If false, the radar uses your fixed zoom level instead.
Examples
cl_radar_scale_dynamic true - The radar zoom adjusts automatically so every teammate fits on it.
cl_radar_scale_dynamic false - The radar uses your fixed zoom level (default).
true and false can also be written as 1 and 0.