Olympus FHT-531 Buku Petunjuk - Halaman 12

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Low Voltage Indication

~' ~

;;

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

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

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.