Acer V6815 User Manual page 29

H7850/V7850/E270/V270/HE-4K20/HT-4K20/M550/V550/D4K1701/D4K1702
series:
The vertical height can be adjusted between 0% and 15% of the image height.
(The typical vertical image offset is fixed at 15% of the image height above the
center of the projector lens.)
H6815/V6815/E8615/E8615C/ET-4K15/HT-4K15/GM834/HV834/VH-735/TH-735/
D4K1735/D4K1732 series:
The vertical height can be adjusted between 0% and 10% of the image height.
(The typical vertical image offset is fixed at 10% of the image height above the
center of the projector lens.)
Offset max=V x [A]
H7850/V7850/E270/V270/HE-4K20/
HT-4K20/M550/V550/D4K1701/D4K1702
Offset
V
V
max [A]
15%
H
H6815/V6815/E8615/E8615C/
ET-4K15/HT-4K15/
GM834/HV834/VH-735/TH-735/
D4K1735/D4K1732
max [A]
10%
19
V