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5. Using On-Screen Menu
[GEOMETRIC CORRECTION]
KEYSTONE
Displaythetrapezoidcorrectionscreenandadjustthetrapezoidaldistortionoftheprojectionscreen.
Todisplaythe[KEYSTONE]screen,select→[DISPLAY]→[GEOMETRICCORRECTION]→[KEYSTONE]inthe
on-screenmenu.The[GEOMETRICCORRECTION]screen canalsobe displayedbypressingthe 3DREFORM
buttonontheremotecontrol.
HORIZONTAL ��������� Adjustments when projecting from a diagonal direction to the
screen�
VERTICAL �������������� Adjustments when projecting from the top or bottom direction to
the screen�
TILT ����������������������� Adjusts the distortion when performing trapezoidal correction with the screen moved in the vertical direction
using the lens shift�
THROW RATIO ������� Adjusts according to the projection ratio of the optional lens used�
Modelnameoflens
unit
Adjustmentrange
NP16FL 7–8
NP17ZL 12–18
NP18ZL 17–23
NP19ZL 21–37
NP20ZL 34–55
NP21ZL 50–85
NP31ZL 7–10
NP39ML 4
NOTE:
• Whenpowerissuppliedtothedevice,theadjustmentvalueofthe[KEYSTONE]usedpreviouslyisretainedevenifthegradient
ofthedeviceischanged.
• Whenclearingtheadjustmentvalueof[KEYSTONE],pressthe3DREFORMbuttonfor2ormoreseconds.
• Whensettingother[GEOMETRICCORRECTION]functions,the[KEYSTONE]menucannotbeselected.Whenperformingtrapezoidal
correction,pressthe3DREFORMbuttonfor2ormoresecondstocleartheadjustmentvalueof[GEOMETRICCORRECTION].
• Aselectricalcorrectionis carriedoutby[KEYSTONE], thebrightnessmaybe reducedorthescreen qualitymaydeteriorate
sometimes.