Olympus FHT-532 Kullanım Kılavuzu - Sayfa 10

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Lever

Position

Fo,

Photomicrography

lOx

Observ.

20x-l00x

Objective

For

Observation

Microscope Base and· Light Source

1 )

Microscope Base

The lamp house is built onto the base. The lamp socket is clamped to

the lamp house with a damping screw. The tight path is selected with

the auxiliary lens shifting lever for high, medium and low magnification

of objective in use.

..._ _..

It is generally recommended to set the lever to the position marked with

"Observ." (equivalent to position

for brightfield observation with

all the objectives from

through 100x. In phase contrast or darkfield

observation, where in tenser light is required, however, it is recommended

to set it to position M or H according to objective magnification as in

case with photomicrography.

Voltage

Adjustment Knob

Grounding terminal

..::::::;::;",::::~--

Line Voltage

Adjustment

Screw

o Voltage Adjustment

The minimum voltage required for the light source can be varied

means of the line voltage adjustment screw provided at the back of the

microscope base in accordance with the line voltage and frequency,

since a silicon controlled rectifier (SeRl is .adopted in the dimmer

circuitry.

At the bottom of the base is a voltage selector switch, which can be

turned with a coin, to correspond with the voltage of main supply

(11 OV, 120V, 220V or 240Vl. The transformer is built in the base and

switched on and off with the voltage adjustment knob, which also

controls the bulb voltage from 0 to lOV.