Chapter 3 Individual Operations
3.2 Brightness Adjustment
36
3.2
Brightness Adjustment
Image brightness can be adjusted by the following methods:
Method Operating controls Explanation
Brightness control knob 3.2.1 Adjusting lamp voltage
(The 50i is subject to shifts
in color temperature.)
Preset switch
Preset brightness control knob
3.2.2
ND filter
attachment/detachment
(for 50i only)
ND filter IN/OUT lever 3.2.3
Transmitted
image
(for 55i when a
cytodiagnostic unit is
mounted)
Automatic adjustment after
magnification change
Hand switch
(Do not set the brightness control
knob to the maximum position.
Make sure the preset switch is not
depressed.)
3.2.4
ND filter Attaching/removing ND filter for
fluorescence attachment
3.2.5 Epi-fl image
Erasure of transmitted
image
Microscope power switch 3.2.6
(Monitor image) Camera adjustment Application software for camera
control: Display mode, exposure
mode, exposure compensation,
camera gain adjustment, etc.
3.2.7
3.2.1
Adjustment using the brightness control knob
With the preset switch in the out position, rotate
the brightness control knob. (The brightness
control knob is disabled if the preset switch is
depressed.)
Brightness control
knob
Image brightness
Clockwise rotation Becomes brighter
Counterclockwise
rotation
Becomes darker
For 50i
Adjusting brightness with the brightness control knob will affect the lamp color temperature and
alter the color balance of the image. If accurate color reproduction is critical, set the brightness
control knob to a midpoint setting and use the ND filter to make brightness adjustments.
Preset switch in ou
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