Adjusting The Focus When The Fixed-Focus Lens (Model No.: Et-D75Le95, Et-D75Le90) Is Used - Panasonic PT-RS20K Operating Instructions Manual

CAUTION
During the lens shift operation, do not insert your hand in any opening around the lens.
Your hand may be caught in between, resulting to injury.
Note
f When the projection lens without the zoom function is attached, the zoom adjustment screen is not displayed.
f When the Fixed-focus Lens (Model No.: ET-D75LE50) is used, do not adjust the lens shift, and use the projection lens in the home position.
(x page 75)
f The adjustment can be performed faster by holding down asqw for approximately six seconds or longer while adjusting the focus, or for
approximately three seconds or longer while adjusting the lens shift.
f It is recommended to perform the focus adjustment after 30 minutes have elapsed with the focus test pattern displayed. For details of the
test pattern, refer to "[TEST PATTERN] menu" (x page 174). To use the active focus optimizer function, set the [PROJECTOR SETUP]
menu → [LENS] → [ACTIVE FOCUS OPTIMIZER] → [ACTIVE FOCUS] to [ON], and then adjust the focus. (x page 145)
f Only [FOCUS] is shown in yellow so that the displayed menu item can be recognized by color, even when the projector is not focused and
displayed characters are unreadable. (Factory default)
The displayed color of [FOCUS] differs depending on the setting of the [DISPLAY OPTION] menu → [ON-SCREEN DISPLAY] → [OSD
DESIGN].
f If the power is turned off during the focus adjustment, the zoom adjustment, or the lens shift adjustment, turn on the power again and
execute the [PROJECTOR SETUP] menu → [LENS] → [LENS CALIBRATION].
f When the main power is switched off during focus adjustment, lens calibration is performed automatically during the next focus adjustment.
f If the main power is turned off during the lens shift adjustment, a lens calibration error screen is displayed during the next lens shift
adjustment. Execute the [PROJECTOR SETUP] menu → [LENS] → [LENS CALIBRATION].
f Request a repair to your dealer if the lens calibration error screen is displayed even though the lens calibration is executed.
Adjusting the focus when the Fixed-focus Lens (Model No.: ET-D75LE95,
ET-D75LE90) is used
After attaching the projection lens, adjust the focus with the projector correctly installed against the screen.
The focus balance between the center and periphery of the projected image will differ depending on the size of
the projected image when the Fixed-focus Lens (Model No.: ET-D75LE95, ET-D75LE90) is used. Adjust the focus
balance of the periphery with the Fixed-focus Lens (Model No.: ET-D75LE95, ET-D75LE90) as necessary.
1) Move the projection lens to the home position.
f For details of operation method, refer to "Moving the projection lens to the home position" (x page 75).
2) Adjust the focus at the center of projected image.
f For the steps to adjust the focus, refer to "Adjusting the focus, zoom, and lens shift" (x page 71).
3) Loosen the lock screw and turn the periphery focus adjustment ring by hand to adjust the focus in
the periphery of the screen.
4) Check the focus at the center of the image again and make fine adjustments.
5) Tighten the lock screw.
f Periphery focus adjustment ring is fixed.
72 - ENGLISH
Chapter 3 Basic Operations — Projecting
Periphery focus adjustment ring
Lock screw