Nikon Labophot Manuel d'instruction - Page 22

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Failures

Causes

Actions

• Specimen rises from stage surface

• Place it stable

• Revolving nosepiece not in c1ick-

, Revolve it to click-stop position

stop position

• Condenser not correctly centered

• Correct centering (Refer to P.l0)

, Changing-over to the limit

(Refer to P. 9)

• Day light fi Iter not used • Use daylight filter

Manipulation

Failures

Causes

Actions • Upside down of slide

' Turn over the slide

• Too thick coverglass

• Use specified thickness (O.17mm)

coverglass (Refer to P. 13)

High power ob-

• Upside down of slide

• Turn over the slide

• Too thick coverglass

' Use specified thickness (O.17mm)

coverglass (Refer to P. 13)

• Eyepiece diopter not adjusted

' Diopter adjustment

(Especially when changing-over

(Refer to P 9)

• Eyepiece diopter not adjusted

• Diopter adjustment (Refer to P 9)

(when changed-

over)

Movement of

• Slide holder not tightly fixed

) Fix it tightly

smooth by

moving the

slide

Travel of stage

• Improper attaching of slide

) Shift the attaching position

holder

th of

slide

No fusion of

• Interpupillary

distance not ) Adjustment (Refer to P. 9)

adjusted

Fatigue of

• Incorrect diopter adjustment

) Correct adjustment(Refer

to P.9)

• Inadequate brightness of illumination~

Change power voltage