Adjusting The Zoom, Focus And Keystone - IBM PROJECTOR E400 User Manual

v Position the projector within 2.7 m (9 ft) of your power source and within 1.8 m
v Position the projector the desired distance from the screen. The distance from the
Figure 2-1.

Adjusting the zoom, focus and keystone

To adjust the image, follow these steps.
1. Use the Image-focus control on the projector to sharpen the projected image as
(6 ft) of your video device (unless you purchase extension cables). To ensure
adequate cable access, do not place the projector within .15 m (6 in.) of a wall or
other object.
lens of the projector to the screen, the zoom setting, and the video format
determine the size of the projected image.
Table 2-1.
Diagonal screen size Image Width
(m/in.) (m/ft)
1 1.10/43.3
.88/2.88
2 1.47/57.8
1.17/3.83
3 1.76/69.3
1.4/4.59
4 2.06/81.1
1.64/5.38
5 2.35/92.5
1.87/6.13
6 2.65/104.3
2.11/6.92
7 2.94/115.7
2.34/7.67
8 3.23/127.2
2.57/8.43
shown in 1 .
Distance from center
of lens to bottom of
Image height image
(m/ft) (m/ft)
.66/2.16 1.5/4.92
.88/2.88 2/6.56
1.1/3.6 2.4/7.87
1.23/4.03 2.8/9.18
1.41/4.62 3.2/10.5
1.58/5.18 3.6/11.81
1.76/5.77 4/13.12
1.94/6.36 4.4/14.4
Chapter 2. Setting up the projector
2-3