Seiwa Radar tuning - Manual (Page 5)

center of the spot closes you have reached the optimal TTD setting.
• The green spot in the radar origin is the transmission pulse itself. Targets within
such range are not detectable because their echoes are completely overwritten by
the radar still transmitting. Such spot is called Main Bang. To remove it from the
screen it is necessary to properly set the MBS (Main Bang Suppression) control.
To do this, increase slowly the MBS. The spot is progressively deleted from the
inside toward the