Hitachi 61HDX98B Manual page 24

DP-85 CHASSIS 4 MODES TO DISPLAY A (4x3) IMAGE ON (16X9) DISPLAY
DM-1 Module controls the video content for Normal, Full and Fill modes,
while the deflection circuit is manipulated for the Smooth Wide mode.
NORMAL MODE (4x3)
Side Panel
Normal Mode 4X3 with Black Mask (Linear)
FILL MODE (4x3)
Cropped
Cropped
Fill Mode 4X3 Cropped (Linear)
Deflection Circuit remains at 33.75KHz for all modes, (NTSC & SDTV = 540P, HDTV = 1080I. (Labeled in schematic as 2.14H)
Side Panel
Slightly
above
black
to avoid
4X3
burning
an image
Full Mode 4X3 Stretched to fit (Non-Linear)
Stretched
Outside edges Stretched to fit (Non-Linear)
FULL MODE (4x3)
SMOOTH WIDE MODE (4x3)
Linear
Smooth Wide Mode 4X3 Center (Linear)
Stretched
Linear