Nikon DS-2MBW Instruction Manual page 157

NOTE: The level indicator shows the current aperture of the diaphragm in
increments of 2.0 in the range 0.8 to 30.6.
Episcopic illumination field diaphragm
<Adjusts the episcopic illumination field diaphragm>
Compatible only with microscopes incorporating the DIH-E.
1 ） In the episcopic illumination field diaphragm column
diaphragm in increments of 0.1. Or select the
decrements of 0.1.
2 ） Briefly depress the mouse button to adjust the diaphragm in three-increment steps.
NOTE: The level indicator shows the current aperture of the diaphragm in
increments of 0.4 in the range 2.0 to 8.9.
ND filter <Adjusts the transmission factor of the ND filter>
Compatible only with Nikon 90i microscopes with motorized ND filters attached.
1 ） In the ND filter column
relative to the current set value. Or select the
by 3% relative to the currently set value.
2 ） Briefly depress the mouse button to change the transmission factor in ten-increment
steps.
NOTE: The transmission factor changes from 2% to 100%.
Analyzer <Inserting/retracting the analyzer>
Compatible only with microscopes incorporating the DIH-E.
<Inserting the analyzer>
1 ） If the analyzer is not inserted, select the
2 ） If the analyzer is in position, the
<Removing the analyzer>
1 ） If the analyzer is inserted, select the
2 ） If the analyzer is not inserted, the
VI Basic Operations
6 Using the Microscope Control
, select the icon to increase the transmission factor by 3%
icon is marked with a red border.
icon to retract it.
icon is marked with a red border.
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MICROSCOPE
, select the icon to open the
icon to close the diaphragm in
icon to reduce the transmission factor
icon to move the analyzer into position.