Operation
of
the
device
37
1
Intersection
between
the
head
piece
and
the
scale
foot
2
Mounting
the
near-point
chart
to
the
fixing
rod
3
Moving
the
near-point
chart
to
set
up
the
distance
from
the
eye
4
Turning
the
chart
to
select
the
front
or
rear
5
Turning
the
turntable
to
select
the
optotype
card
6
Field
for
showing
card
number
7
Fixing
rod
with
scale
Fig.
19
Set
up
near-point
chart
-
Select
the
desired
optotype
card.
To
select
the
card
turn
the
chart
to
select
the
front
or
rear
(
4
,
Fig.
19)
and
then
the
turntable
(
5
,
Fig.
19)
until
the
respective
card
number
(
6
,
Fig.
19)
can
be
seen
in
the
display
field.
000000-2075-933-GA-en-GB-230822
