3
c.
Position focusing knobs in the center of focusing range.
d.
On mounted post models, the height of the viewing head can be adjusted up or down on the post
in order to focus on different sized objects. Loosen the locking knob located on the locking
support collar, allowing the support collar to slide down to bottom of post. While firmly holding
focusing holder containing viewing head with one hand, loosen locking knob located on back of
focusing holder so that head can move freely up or down on post.
While looking through microscope, move viewing head up or down on post until object can be
seen in approximate focus. Tighten focusing holder locking knob. Position the support collar
under the focusing block and tighten locking knob on support collar. It is not necessary to make
this adjustment every time you change objects to be viewed, so long as the different objects are of
similar thickness or height.
e.
On models with lighted post stands, the up/down movement of the viewing head is limited to the
traverse permitted by the regular focusing knobs.
f.
The right eyepiece has a knurled diopter adjustment ring. Rotate the diopter until the zero (0) lines
up with the notch on the diopter.
g.
Adjust zoom control to the highest magnification by aligning the number “4.6” on the knob to the
white index point on the head.
h.
While looking through the right eyepiece with one eye, rotate focusing knob until specimen comes
into sharp focus through the right eyepiece.
i.
Adjust zoom control knob to the lowest magnification.
j.
Adjust the right diopter until the image is sharp. Do not change the focusing knob position.
k.
The image should now be sharp throughout the zoom power range.
MAINTENANCE
WARNING: For your own safety, turn switch off and remove plug from power source before maintaining your
microscope. If the power cord is worn, cut or damaged in any way, have it replaced immediately to avoid shock or
fire hazard.
1.
Optical Maintenance
a.
Do not attempt to disassemble any lens components. Consult a microscope service technician
when any repairs not covered by instructions are needed.
b.
Prior to cleaning any lens surface, brush dust or lint off lens surface using a camel hair brush. You
can also use an ear syringe or canned compressed air, sold by computer stores.