105
5. Using On-Screen Menu
[GEOMETRIC CORRECTION]
KEYSTONE
Display the trapezoid correction screen and adjust the trapezoidal distortion of the projection screen.
To display the [KEYSTONE] screen, select
→
[DISPLAY]
→
[GEOMETRIC CORRECTION]
→
[KEYSTONE] in the
on-screen menu. The [GEOMETRIC CORRECTION] screen can also be displayed by pressing the 3D REFORM
button on the remote control.
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.
• When clearing the adjustment value of [KEYSTONE], press the 3D REFORM button for 2 or more seconds.
• When setting other [GEOMETRIC CORRECTION] functions, the [KEYSTONE] menu cannot be selected. When performing trapezoidal
correction, press the 3D REFORM button for 2 or more seconds to clear the adjustment value of [GEOMETRIC CORRECTION].
• As electrical correction is carried out by [KEYSTONE], the brightness may be reduced or the screen quality may deteriorate
sometimes.
