Barco CTPN-41B Bedienungsanleitung PDF herunterladen (Seite 20)

20User Manual - Introduction

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4.7 Lens lock

A lens-lock feature is available whereby three screws on the lens barrel are used to perma-

nently ﬁx the zoom, focus and iris positions. For information on locking the adjustment rings

in one position, please refer to section 3.10 Zoom, focus and iris.

Figure 4-6. Zoom and Focus Lens lock screws (one on each lens ring)

4.8 Lens shift

Most of the projection lenses are shiftable horizontally (both directions) and vertically

(up). Some lenses, typically wide angle lenses (on-axis type) only have a very little shift

range. Please refer to the individual lens speciﬁcations found on the web for actual

shift range.

Figure 4-7. Horizontal (both directions) and vertical (up/down) lens shift

Lens shift is motorized and the lens can be shifted either by using the keypad, the wireless

remote control or through the wired control interface. For an overview of the lens shift adjust-

ment range for the various lenses, please refer to section 3.6.3 Lens range.

• Using the keypad on the projector, press OK and then OK again to center lens manually,

or use the arrow keys to position (restricted downwards movability).

• Using the remote control, press the OK key to center the lens or arrow keys to position it

(restricted downwards movability).

• Using the RS-232 or LAN control interfaces, please refer to the relevant SIS (Simpliﬁed

Instruction Set) commands available for download on www.barco.com

CT series User Manual - Installation

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Barco CTPN-41B Bedienungsanleitung Seite 20