Chapter 3 Individual Operations
3.2 Brightness Adjustment
30
3.2
Brightness Adjustment
The brightnesses of images are adjusted with the following methods:
Method Operating controls Section
Brightness control knob (microscope
body)
3.2.1 Adjusting the lamp voltage (causes
color temperature shifts)
Preset switch, preset brightness
volume-control
3.2.2
Diascopic image
Setting ND filters (free from color
temperature shifts)
ND filter IN/OUT lever 3.2.3
Adjusting the lamp voltage (causes
color temperature shifts)
Brightness control knob on the power
supply for the illuminator
3.2.4
Setting ND filters (free from color
temperature shifts)
Filter slider on the epi illuminator 3.2.5
Episcopic image
Extincting episcopic images Power switch for the microscope 3.2.6
(Monitor image) Camera adjustment Application software for camera
control: display mode, exposure
mode, exposure compensation,
camera gain adjustment, and so on.
3.2.7
3.2.1
Adjusting 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.
Color temperature shift
Adjusting brightness with the brightness control knob will affect the lamp color temperature and
alter the color balance of the image. When accurate color reproduction is critical, set the
brightness control knob to a midpoint setting and use the ND filters to make brightness
adjustments.
The preset switch
must not be
depressed.
Brightness
control knob
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