7
USING THE CONTROLS
3-1 Base
Fig. 4
@
1. Turn the brightness adjustment knob @ clockwise to increase the volt-
age and make illumination brighter.
2. The numerals ² below the knob indicate the approximate voltage.
2
Using the Light Intensity Preset Switch
(Fig. 5)
}The light intensity preset switch @ makes it possible to limit the light
intensity to a preselected level regardless of the position of the bright-
ness adjustment knob. The light intensity preset switch has been set to
about 4 V at the factory.
1. Press the light intensity preset switch @ to the ON position. (The face of
the switch lights when it is ON.)
2. Using a small flat-blade screwdriver, turn the preset adjustment screw ²
to obtain the required light intensity. Turning the screw clockwise increases
brightness.
3. When the light intensity preset switch is set to OFF, the brightness returns
to the level set by the brightness adjustment knob.
}While the light intensity preset switch is ON, turning the brightness ad-
justment knob does not affect brightness.
Fig. 5
@
3
Using the Filters
(Figs. 6 - 10)
}You can place a filter in the light path with either method.
· Place a filter on the filter mount on the base and engage in the light path.
(Page 7)
· Insert a filter in the U-FC filter cassette, attach it on the filter mount and
engage it in the light path by sliding the filter level. (Page 8)
Mounting a Single Filter
(Fig. 6)
Fig. 6
A filter with a diameter of 45 mm can be placed on the filter mount on the
base. If you need to place multiple filters, please purchase the U-FC filter
cassette.
# Even when a filter cassette is used, a filter with thickness of no more
than 3 mm can still be placed on the filter mount.
²
²
@
1
Voltage Indication
(Fig. 4)
