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Slit image definition
This
is adjusted
at
the
factory and
should
not
be
readjusted later. However,
if the projectionist
should consider
readjustment
necessary
on account, say,
of
poor
speech
intelligibility or poor treble rendition, readjustment
should
be
entrusted to qualified personnel
only.
Exchanging the excite
r
lamp
Loosen locking
screw
c
(Fig.
11) of
cover
of sound head un it and open housing.
Turn lever a (Fig. 12) in direction of arrow and take out exciter lamp by turning
it counterclockwise. Insert new lamp turning it in opposite direction. When
arresting pins are properly engaged and exciter lamp has been turned as far as
it w
ill
go, return lever a to initia
l
posit ion. The lamp will now be in its correc
t
position.
18
Fig. 11
Position of exciter
lamp
a
leve
r
b exciter lamp
c
c
locking screw
d
scanning
point
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