Olympus GX53 Instructions Manual page 58

Inverted system metallurgical microscope
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b
52
a
2
b
c
d
a
3
Attaching the mercury lamp housing
1
Loosen the clamping screws a (2 positions) of the adapter (MX-
HGAD) using the Allen screwdriver.
2
Insert the mercury lamp housing in the light source mount hole until
it touches the end
3
Tighten the clamping screws using the Allen screwdriver.
4
Connect the cable of the mercury lamp housing to the power supply
(U-RLF-T). For details, refer to the instruction manual provided with
the unit.
4
Centering the mercury burner
· When using the mercury lamp housing, attach the light
NOTE
shielding plate (shutter) provided with the microscope
frame to the filter slider. For details, see "6-5 Replacing the
filter" on page 54.
· Set the main switch of the power supply to (ON) and
wait until the arc image stabilizes (5 to 10 minutes after
ignition) before centering.
1
Set the main switch to (ON). For details, see "3-2 Turning ON the main
switch" on page 16.
Engage the light shielding plate of the filter slider a to block the
2
illumination light.
3
Use the observation light path selection knob to set the BF light path.
During centering, be sure to view images through the UV
NOTE
cut plate.
4
Engage the 10X objective in the light path, place the centering target
U-CST b on the stage with the cross line side facing up, and align the
center of the concentric circles of the U-CST with the center of field
of view.
U-CST can be substituted with white paper, etc.
TIP
5
Move the stage until the crosslines are overlaid on the center of field.
6
Rotate the revolving nosepiece to engage the position without the
objective (remove objective cap) in the light path.
Pull out the field diaphragm lever c (to narrow down the field
7
diaphragm) and push in the aperture diaphragm lever d (to open
the aperture diaphragm).
Slide out the filter slider a to introduce the illumination light in the
8
light path.

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