Vivitek DU6771, Руководство пользователя

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DU6771 DLP Projector User Manual
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UN67711216EN00
Lens Setting
Lens Lock
This function can be used to disable lens control for preventing unauthorized operation or disoperation in lens control
related functions including Lens Shift, Zoom/Focus adjustment and Center Lens. Recommend to turn on Lens Lock
function to disable the Lens control after lens adjustment is done

Turning on Lens Lock will disable lens control function including Lens Shift, Center Lens and
Zoom/Focus adjustment, please make sure Lens Lock is disable before you perform the lens control
function.
Lens Control
Select this function to display Lens Control menu for adjustment of Zoom, Focus, or Shift. You can use the ENTER
button to switch the Zoom / Focus or Shift menu. Use
▲
or
▼
to adjust zoom and vertical shift of the lens, or use ◄ ►
to adjust focus and horizontal shift of the lens.
Lens Type
There are eight projection lenses can be used in DU6771; the initial projection position of Ultra Short Throw (UST) Lens
is different to other seven projection lenses. The projector preset two initial projection positions for Ultra Short Throw
lens and the others accordingly, Center Lens function can moves the lens to the initial position (center) automatically
according Lens Type setting. Please set this option to UST Lens if Ultra Short Throw Lens is installed in the projector,
otherwise please set it to Non-UST Lens.

There are two default positions, one is for regular zoom or fixed focus lens (Non-UST), the reference
position is 0% of image width in horizontal shift and 0% of the image height in vertical shift; anther one is
for Ultra Short Throw Lens (UST), the default position is around 0% of image width in horizontal shift
and 56% of image height in vertical shift. When performing Center Lens functions, projector will move
the lens to the default position according to Lens Type setting.

If Ultra Short Throw Lens is installed and UST Lens is selected, you can perform Center Lens to move
Lens to initial projection position automatically.

If using Ultra Short Throw Lens and setting to Non-UST Lens, the lens will be moved to the position
which is lower than the default position of Ultra Short Throw Lens after performing Center Lens function,
it causes the projected image is blocked by the top cover of the projector. In this case, please perform
the Lens shift function to move up the Lens till the image can be projected normally.