Sharp NP-PH3501QL User Manual - NEC - Page 118

Geometric Correction], Keystone

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[GEOMETRIC CORRECTION] 5. Using On-Screen Menu 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 CORRECTION]. 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 L2K-10F1 L4K-11ZM L4K-15ZM L4K-20ZM L2K-30ZM L2K-43ZM1 L2K-55ZM1 Adjustment range 9 12-17 15-21 20-33 27-39 39-55 50-78 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. 101

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101
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
L2K-10F1
9
L4K-11ZM
12-17
L4K-15ZM
15-21
L4K-20ZM
20-33
L2K-30ZM
27-39
L2K-43ZM1
39-55
L2K-55ZM1
50-78
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.