Luce PT-L6510E User Manual download pdf (Page 18)

Projection Distances

Installation Geometry

After the projector is roughly positioned, picture size

and vertical picture positioning can be finely adjusted

with the powered zoom lens and lens tilt mechanism.

Setting-up

Projection Schemes

Any of the following four projection schemes can be

used with the PT-L6510E/L6600E projector

depending on user's needs or viewing conditions.

Use “OPTION 1” menu (chosen from the MAIN

MENU) to choose the appropriate projection scheme

(see page 34).

[unit : mm]

L: Projection distance

SH: Image height

SW: Image width

H: Distance from centre of lens to bottom

edge of projected image.

276

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346

438

Side view

With optional ceiling mount

bracket (ET-PKL6500)

Screen

Top view

Screen

314

157

175

87.5

0.46

0.61

0.76

0.91

1.22

1.52

1.83

2.13

2.44

2.75

3.05

3.35

3.66

3.96

4.27

4.57

0.61

0.81

1.02

1.22

1.63

2.03

2.44

2.84

3.25

3.66

4.06

4.47

4.88

5.28

5.69

6.10

—

1.4

1.8

2.1

2.9

3.6

4.3

5.1

5.8

6.6

7.3

8.1

8.8

9.5

10.3

11.0

0.76

1.02

1.27

1.52

2.03

2.54

3.05

3.56

4.06

4.57

5.08

5.51

6.10

6.60

7.11

7.62

1.4

1.9

2.4

2.9

3.9

4.9

5.9

6.9

7.9

8.9

9.9

10.9

11.9

12.9

13.9

14.9

0.02 to 0.22

0.03 to 0.30

0.04 to 0.38

0.05 to 0.45

0.06 to 0.60

0.08 to 0.76

0.09 to 0.91

0.11 to 1.06

0.12 to 1.21

0.14 to 1.37

0.15 to 1.52

0.17 to 1.67

0.18 to 1.82

0.20 to 1.98

0.21 to 2.13

0.23 to 2.28

Projection distance: L

Unit : m

Height

position: H

Diagonal length

Height (SH) Width (SW) Wide (LW)

Telephoto (LT)

Screen Size (4 : 3)

Table standing

Projection Scheme 2

Ceiling mount

Projection Scheme 1

Front projection

Rear projection

(Default position)

Note

• The dimensions in the table above and the values

obtained from the above formulas may contain

slight errors.

• It is recommended that you use the projection

distance for the wide lens position (except in cases

where the diagonal picture size is 0.762 m).

• The above dimensions are the case when the

aspect ratio is 4:3. When an SXGA signal is input

and projected, the right and left ends of the picture

will be blanked the aspect ratio will be 5:4.

Setting-up dimensions which are not given in the above

table can be calculated using the formulas below.

If the screen size (diagonal) is SD, then the following

formulas is first used to obtain the screen width (SW).

SW = (SD x 0.0254) x 4 ÷ 5 (SD unit is inches)

The value for SW obtained above can then be used

with the following function to calculate the projection

distance for the wide lens position (LW) and the

projection distance for the telephoto lens position (LT).

LW = 1.831 x SW - 0.071

LT = 2.449 x SW - 0.066

For 16 : 9 aspect rations, the following formal can be

used to calculate the screen width (SW).

SW = (SD x 0.0254) x 16 ÷ 327

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 49 50

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Luce PT-L6510E User Manual Page 18

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