588 Appendix A Command Reference
XBBH
Arbitrary Bottom Border Height
Class Format parameter setting - active video
Description Establishes the first line of a horizontal letterbox bar area at the bottom of the image.
Command syntax XBBH line_number
line_number
0 to 65535 (in decimal)
Related commands XISH:TTYP, XRBW, XTBH
Example
XBBH 769
FMTU