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10. Contrasting Methods for Leica DM6000 M
All contrasting methods can be selected and op-
erated via the Leica SmartTouch, the variable
function knobs and the Software Leica Applica-
tion Suite. Excluded from this principle are only
methods which include components that have to
be operated manually (e.g. systems with manual
polarizer).
The following procedure describes the opera-
tion via function keys at the stand. For operation
via Leica SmartTouch, STP6000 and Software,
please see separate operation manuals.
10.1 Incident Light
10.1.1 Bright Field (IL)
• Switch to the incident light axis (IL) by push-
ing the
TL/IL
button.
• Select the
BF
(bright field) contrast method.
Do so by pressing the
BF
variable key.
Alternatively: Press the
CHANGE RL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display of the Leica SmartTouch, menu
page ‘Status’ indicates
BF
.
• Insert a specimen.
• Select an appropriate objective.
• Focus on the image with the turning knob on
the SmartMove, STP6000 or with the focus
wheel and adjust the illumination with the
INT
-
keys.
The values for brightness are stored for each
objective.
10. Contrasting Methods for Leica DM6000 M
10.1.2 Dark Field (IL)
• Switch to the incident light axis (IL) by push-
ing the
TL/IL
button.
• Select the
DF
(dark field) contrast method.
Do so by pressing the
DF
variable key.
Alternatively: Press the
CHANGE RL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display of the Leica SmartTouch, menu
page ‘Status’ indicates
DF
.
The DF reflector is turned into the beam
path.
• Insert a specimen.
• Select an appropriate objective.
• Focus on the image with the turning knob on
the SmartMove, STP6000 or with the focus
wheel and adjust the illumination with the
INT
-
keys.
Note:
When selecting the dark field method, the field
diaphragm is opened completely and may not be
adjusted.
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