Nikon Eclipse 50i - Adjustment Using the Preset Switch; Adjustment with the ND Filter IN;OUT Lever (for 50 I)

Chapter 3 Individual Operations
3.2 Brightness Adjustment
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3
3.2.2
Adjustment using the preset switch
Push in the preset switch to enable the brightness
level (lamp voltage) previously set with the preset
brightness control knob.
Toggle the preset switch – i.e., return it to the out
position – to enable the brightness level (lamp
voltage) previously set with the preset brightness
control knob.
How to use the preset brightness control knob
Push in the preset switch to set it to the depressed position.
While viewing the actual image, turn the knob with a precision screwdriver until the desired
brightness is achieved.
Setting the preset switch to the depressed position enables the brightness level set with the
preset brightness control knob.
For 55i when a cytodiagnostic unit is mounted
To adjust brightness automatically after switching magnification, make sure the preset switch is
in the out position.
3.2.3
Adjustment with the ND filter IN/OUT lever (for 50i)
Pushing in the ND filter IN/OUT lever moves the ND
filter (light intensity adjustment filter) into the
optical path and reduces brightness. The color
balance of the image remains unaffected.
Preset switch
Preset brightness
control knob
T
he ND filter enters o
p
tical
p
ath.