Adjusting The Focus Balance - Panasonic PT-SRQ35KC Operating Instructions Manual

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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-D3LEW50C, ET-D75LE50C) is used, do not adjust the lens shift, and use the projection lens in
the home position. (x page 84)
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 When using the Zoom Lens (Model No.: ET-D3LEW200C) or the Fixed-focus Lens (Model No.: ET-D3LEU100C), it is recommended to
perform the focus adjustment after at least an hour has elapsed with an image displayed.
f When using a projection lens other than the Zoom Lens (Model No.: ET-D3LEW200C) or the Fixed-focus Lens (Model No.:
ET-D3LEU100C), it is recommended to perform the focus adjustment after at least 30 minutes have elapsed with the focus test pattern
displayed. For details of the test pattern, refer to "[TEST PATTERN] menu" (x page 202). 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 168)
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
COLOR].
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 balance

By changing the projected image size, the focus balance in the center and periphery of the image may be lost.
f When the following projection lens is used, the focus balance in the center and periphery of the projected image
can be adjusted on the projection lens side.
g Zoom Lens (Model No.: ET-D3LEW10C, ET-D3LEW60C, ET-D3LEW200C, ET-D75LE6)
g Fixed-focus Lens (Model No.: ET-D3LEW50C, ET-D3LEU100C, ET-D75LE50C, ET-D75LE95C)
g Fisheye Lens (Model No.: ET-D3LEF70C)
r Zoom Lens (Model No.: ET-D3LEW10C, ET-D3LEW60C, ET-D75LE6), Fixed-focus Lens (Model
No.: ET-D3LEW50C, ET-D75LE50C)
f The illustrations in the steps are an example when attaching the Zoom Lens (Model No.: ET-D3LEW10C).
1)
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 79).
2)
Loosen the lock screw and turn the periphery focus adjustment ring by hand to adjust the focus in
the periphery of the screen.
Periphery focus adjustment ring
3)
Check the focus at the center of the image again and make fine adjustments.
80 - ENGLISH
Chapter 3 Basic Operations — Projecting
Lock screw

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