Projector PPR/2000 Spezifikationen PDF herunterladen (Seite 4)

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HOW

TO

GET TIfi

MOST

OUT O}

YOUR

BOIXX S-22L

-

Arransement

of

Projector

and Screen

The distance

from the screen

depends

on

the

size

of the screen

and

on

the

focal

length

of the lens

used.

The

diagram

opposite shows

the

size

of the

picture

produced

on

the

screen

when

using

projection

lenses

of

focal

length

35,

50

and

70

mm

at various projection

dlstances.

5678

lldtb

of acreeh

For

example

: For

a

50

nn lens and

a 6

ft

scy.etrn the annrnnriqte

nroiention rlistance

rvill1 tre

30

ft.

Set

the

beam i-s

nrn io oJ- nr nn

q

nrn'i onl-ad nrrar

yr

vJvv

stand. or

table faclng the screen,

the heads of

the audience.

high

enoush so

that the

Try

to

ensllre

that the screen i-s

al-

ways

set

squarely in line

with the

projector,

but if this

j-s

not

possible

the

screen

should be inclined sli-ghtly

i-n

the

appropriate d.irectj-on

so that

the

beam

strikes it

perpendicularly.

By

doing

this,

picture

distortion

is

avoided.

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