8
Basic Operation
1.
Illumination Controls
1)
The power switch to the
illuminator and the brightness
control are located on the base. The
electrical system is fuse protected
and the fuse holder located on the
bottom of frame.
2)
Turn on the light with the power
switch, see Figure 4. If the light
does not appear to be ON, check
the brightness control to see if it’s on a sufficiently low setting.
2.
Focusing Controls
1)
Focusing adjustment
is
accomplished by using the large
coarse adjustment knobs located
comfortably on each side of the
frame. Fine adjustment is
accomplished by using the smaller
knobs located on the same focus
shaft. This coaxial arrangement
allows for easy, precise adjustment
without drift or discomfort.
2)
Focus Control
Turning either of
the coarse focus control knobs will
raise or lower the stage. The
smallest graduation on the fine
adjust knob index scale is 2μm of vertical.
3)
Focus Tension Adjustment
The tension of the coarse focus is
adjustable and preset at the factory for ease of use. If you wish to
adjust the coarse focus tension, turning the ring toward the rear of the
Brightness Control
Power Switch
Figure 4
1 2
4
3
Figure 5
1 Coarse Adjustment
2 Focus Tension
3 Up Stop
4 Fine Adjustment
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