Leica DM4000B Manuel D’Utilisation

60

• Switch to the incident light axis (IL) by pushing

the TL/IL button.

• Insert a specimen and rotate a suitable objec-

tive into place.

• Select the DIC contrast method.

Do so by pressing the DIC variable key.
Alternatively: Press the CHANGE RL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display indicates ICR.

• The ICR filter cube (containing polarizer and

analyzer) is automatically brought into the light
path on the incident light axis. Insert the objec-
tive prism slide into the prism slot (71.2).

Alternatively:
• Rotate the ICR polarizer (71.3) and the IC/P

analyzer (72.1) on the stand manually into the
light path.

• Insert the objective prism slide into the prism

slot (71.2).

• For fine adjustment, rotate the knurled screw

(71.1) on the objective prism slide.

• Switch to the transmitted light axis by pushing

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 indicates BF.

• Insert a transmitted light specimen.

• Rotate an appropriate objective into place.

• Use the focus dial to bring the image into fo-

cus and set the brightness using the INT func-
tion key.

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