JVC DLA-VS4010 Instructions Manual page 30

Adjust the zoom ratio (screen size) (when zoom lens is in use)
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You can adjust the focus using the "Zoom" item of the "Lens" menu.
To enlarge the screen size:
Press the "W" (Wide) end of "Zoom"
To reduce the screen size:
Press the "T" (Tele) end of "Zoom"
MEMO
The screen size changes each time you click on the inner buttons (a / b). (Fine control)
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The outer buttons (d / c) change the screen size when they are depressed. (Coarse control)
Adjust the position of the projection screen
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You can adjust the focus using the "Shift" item of the "Lens" menu.
To shift the image upward:
Press the "U" end of "Shift"
To shift the image downward:
Press the "D" end of "Shift"
To shift the image rightward:
Press the "R" end of "Shift"
To shift the image leftward:
Press the "L" end of "Shift"
MEMO
When a zoom lens is used, the adjustment range for lens shift is between 0 % to ±50 % in the vertical direction, and
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between 0 % to ±25 % in the horizontal direction (during single-screen display).
When a short focal length lens is used, the adjustment range for lens shift is between 0 % to ±15 % in the vertical
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direction, and between 0 % to ±5 % in the horizontal direction (during single-screen display). (P. 14)
The position changes each time you click on the inner buttons (a / b). (Fine control)
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The image shifts when the outer buttons (d / c) are depressed. (Coarse control)
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The lens shift feature does not function if the lens mechanism is secured ("Lens Fixation Mechanism"P. 14)
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30
Zoom Focus
Main
w +
Image
Setting
Convergence
Lens
_
Option
License T
Test Pattern
OFF
.
host PJ-1
user: root
Logout
Shift
U
L R
D
OFF
SET