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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.

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