Zeiss AT 030, Product Documentation Set

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Instruction for use 7 Maintenance
AT 030 7.3 Adjusting the swivel-mounted tonometer holder with round mounting
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ð
Push the swivel arm including tonometer forwards in the
slot until the sharp focus of the structure visible on one side
is in the middle of the motion range. When moving the
tonometer lift it slightly to avoid it tilting under its own
weight.
ð
Then retighten the screws: first, the two set screws, then
both the clamping screws alternately, starting with the rear
clamping screw.
ð
Carry out a further check in accordance with step 5.
u
If the sharp focus position is only at the rear (towards
observer), the swivel arm with tonometer should be moved
further to the rear:
ð
First loosen the two set screws by approx. ¼ turn.
ð
Then loosen the two clamping screws by approx. ½ turn.
ð
Push the swivel arm including tonometer backwards in the
slot until the sharp focus of the structure visible on one side
is in the middle of the motion range. When moving the
tonometer lift it slightly to avoid it tilting under its own
weight.When moving the tonometer lift it slightly to avoid
it tilting under its own weight.
ð Then retighten the screws: first, the two set screws, then
both the clamping screws alternately, starting with the rear
clamping screw.
ð
Carry out a further check in accordance with step 5.
NOTE! The measuring prism must be visible in the center of
the eyepiece.
Sharp focus position
front Sharp focus position
set correctly Sharp focus position
rear
Setting the lateral middle position in the field of view (lateral
adjustment D)
u
Set the magnification of the slit lamp microscope to 25x.
u
Observe the measuring prism through the microscope (select
proper eyepiece!).
u
If the measuring prism is to the right of the center of the field
of view, proceed as follows:
ð
Loosen the right set screw slightly.