La opción Blanking
Top blanking
Left blanking
Bottom blanking
Right blanking
BLANKING
Modo de ajuste de acceso aleatorio
GEOMETRY
BLANKING
Adjustment of the blanking on the top of the image
Adjustment of the blanking on the bottom of the image
Correct by pushing the cursor key up or down
Adjustment of the blanking on the left side
Adjustment of the blanking on the right side
Correct by pushing the cursor key to the right or to the left