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Use:
– Two 160 mAT fuses for voltages between 200–240 V.
– Two 315 mAT fuses for voltages between 100–120 V
(see the section "Starting up" on the left).
̈ Disconnect the power cable from the stand.
̈ Pull out the fuse holder.
̈ Fuse at rear: Press out downwards.
̈ Spare fuse at front: Pull out sideways and
insert into holder at rear.
̈ Push the fuse holder back into position.
On the rear side of the base, there is a
socket for incident lamps of up to 20 W.
• Connect an incident lamp to the trans-
mitted-light stand, if required.
• Either transmitted light or incident light
can be switched on.
̈ For transmitted light: Switch in position I.
̈ For incident light: Switch in position II.
̈ Use thumb wheel to adjust brightness.
̈ On the rear of the stand: Use the thumb
wheel to switch on the transformer and
to adjust the brightness.
̈ Remove the power cable from the power socket.
̈ Switch on transmitted light.
Bright field is suitable for examining translucent objects featur-
ing contrasting structures. The object is directly illuminated
from below and is seen in its natural colors against a bright
background.
̈ For transmitted light, bright field:
Pull lever forwards.
Inclined transmitted light which traverses the object obliquely
will produce effects advantageous for observing small translu-
cent objects such as foraminifera and fish eggs.
̈ Move the lever slowly towards the column of the stand until
the desired effect is obtained.
Changing fuses
Transmitted or
incident light
Switching on the
transformer
Disconnection from
mains power supply
Transmitted light
Transmitted light,
bright field
Inclined
transmitted light
25
Leica M Stereomicroscopes – Assembly