Olympus IX81 User Manual download pdf (Page 20)

Fig. 6

Fig. 7

4-2 Focusing Block

}The same effect as the focusing knob on the microscope frame can also be obtained using the U-FH focus adjustment

knob unit. However, when the microscope is used stand-alone while the cable to the U-FH is connected, the control used

for focus adjustment is switched automatically to the focus adjustment knob on the U-FH.

Rotation Direction of the Focusing Knob

(Fig. 6)

· Rotating the focus adjustment knob 1 toward the front (in the direction of

the arrow) raises the objective and toward the rear (opposite direction)

lowers the objective.

Coarse/Fine Adjustment Switching Button

(Fig. 6)

}This button switches the motion of the objective controlled by the focusing

knob 1 between coarse and fine adjustment.

· The fine adjustment stroke is 0.5 mm per turn with the initial setting, but

this can be changed using the IX2-BSW software,

· To select the desired adjustment stroke, press the coarse/fine adjustment

switching button 2.

Coarse adjustment: 1 mm per turn

Fine adjustment: 0.5 mm per turn

Focusing (UP/DOWN) buttons

(Fig. 7)

#The focusing speed available with these buttons is coarse (3 mm/

sec.) only. The focusing speed can be changed with a PC.

· The objective ascends as the focusing button @ is kept pressed and

stops when the finger is released from the button.

· The objective descends when the focusing button 2 is pressed.

Objective Escape/Return (ESC) Button

(Fig. 7)

· When replacing the specimen, press the ESC button 3. The objective will

lower to the lowest position. Pressing the button again returns the objective

to the original height.

· When the IX2-BSW software's “STOP" button is pressed after the objec-

tive has been escaped, the return operation will be cancelled.

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Olympus IX81 User Manual Page 20