NEC PX1004UL-WH - Page 124

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5. Using On-Screen Menu
[GEOMETRIC CORRECTION]
MODE
Setpatternforcorrectingdistortion.If[OFF]isselected,the[GEOMETRICCORRECTION]becomesineffective.
KEYSTONE
Correctdistortioninhorizontalandverticaldirections.
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�
Model name of lens
unit
Adjustmentrange
NP16FL 7–8
NP17ZL 12–18
NP18ZL 17–23
NP19ZL 21–37
NP20ZL 34–55
NP21ZL 50–85
NP31ZL 7–10
NP39ML 4
NOTE:
• Whenpowerissuppliedtothedevice,theadjustmentvalueofthe[KEYSTONE]usedpreviouslyisretainedevenifthegradient
ofthedeviceischanged.
• Aselectricalcorrectionis carriedoutby[KEYSTONE],the brightnessmaybereducedor thescreenqualitymaydeteriorate
sometimes.