NEC NP-PX1005QL-B, Руководство пользователя, Страница: 112 / 185

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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.
If you need to change the [MENU ANGLE], make sure to change it before performing the [GEOMETRIC CORREC-
TION]. If [MENU ANGLE] is changed after performing the [GEOMETRIC CORRECTION], corrected values will be
reset to the default values.
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-4K 7–8
NP17ZL-4K 12–18
NP18ZL-4K 17–23
NP19ZL-4K 21–37
NP20ZL-4K 34–55
NP21ZL-4K 50–85
NP31ZL-4K 7–10
NP39ML-4K 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.