Olympus EHT-431 Manuel d'instruction - Page 12

Parcourez en ligne ou téléchargez le pdf Manuel d'instruction pour {nom_de_la_catégorie} Olympus EHT-431. Olympus EHT-431 24 pages.

4.
Low Voltage Indication
~' ~
1
5
;;
1
8
9
10
Meter indicates
3V.
Meter indicates 6V,
As the voltage
adjus~ment
knob is turned clockwise, the red zone
advances as shown above. Use·the upper scale of the meter to read from
o
to 5V, and the lower scale to read from 5V to lOV. Avoid prolonged
use at voltages above 6V.
Lamp Replacement
l 1)
Loosen the socket clamping screw and slide out the socket.
l2l
Remove the bulb by slightly depressing it against the seat and
then rotating it in a counterclockwise direction.
(3l
Insert a replacement bulb in reversed order.
Before use, wipe off thoroughly any fingerprints or stains on
the bulb.
5. Revolving Nosepiece
The Quintuple revolving nosepiece rotates on ball bearings.
A knurled ring is provided for slip-free and smooth rotation.
Each objective clicks Into position accurately, maintaining proper
optical alignment. Also each objective hole is coded with the letters
A, 8, C, D and E in order to indicate where the objectives should be
mounted, as "A" is for
4x,
"B" for lOx, "C" for 20x, "0" for 40x
and "E" for 100x In addition, the observer can easily tell what
power objective is being used by the color band engraved un each
objective during observation.
Magnification
4x
10,
20,
HlQ,
Color band
Red
Orange
Yellow Brilliant green Light blue
* The stage must be mounted on the microscope prior to the mount
ing of objectives on the revolving nosepiece.
'0