Panasonic PT-D9610U Operating Instructions Manual page 60

Screen examples for different size settings (For PT-D9510U)
INPUT
PICTURE
SIZE
SETTING
Default
Through
H-Fit
V-Fit
HV-Fit
* If the picture extends outside the screen, the top-left corner is used as the reference point.
60
8：5
（640×400）
The picture is displayed at
maximum size while maintaining
the original aspect.
4：3
（1152×864）
5：4
（1280×1024）