Transmitted-L Ight Stand, Bright Fie Ld, 20 W - Leica MS5 User Manual

Fitting the bulb
Filters
Starting up
24
Transmitted-light stand, brightiield, 20 W
&,
Follow the safety instructions given on page 7.
~Fit
the side -faced
col~mn
to the transm itted-l ig ht base as
described on page
23.
&
Never touch the bulb when it is hot.
Y
.
b
ou may sustam urns.
• Do nottouch the new 6
V/20
W halogen bulb directly with
your fingers, because finger marks can caus e it to crack
when heated.
Remove finger marks immediately w ith a cloth dipped in pure
alcohol.
~
Insert the slider together with t he
bulb socket.
~
Hold the new bulb in a cloth an d push
it into position.
~Push
the slider
caref~lly
but complete-
ly back along t he ra il to the stop.
• The transmitted-light stand conta ins a
KG1
f ilter.
•
Yo~
can insert other 0 50 mm filters if you need th em:
~
Pull out the slider.
~
Insert the 0 50 mm filter.
~
Push the slid er
caref~lly
but
complete ly back along t he
rail to the stop .
The ex-factory setting of the voltage se lector is
230
!for volt-
ages between 200-240 V) and t he fuse holder contains two
160 mAT fuses.
For 100- 120 V power supply:
~Set
the voltage se lector to 115.
~
Fit the enclosed two
315
mAt fuse s
in the f use holder instead ofthe
two
160
mAT f uses !see the section
"Changing fuses" on, the right).
~
Connect the powe r cable t o the socket
ofthe base and to t he power source.
Lei ca M St€reomicro sc op es - Ass embl y
Changing fuses
Transmitted or
incident light
Switching on the
transformer
Transmitted light
(bright field), or in-
clined transmitted light
Transmitted light,
bright field
Inclined
transmitted light
Use :
- Two
160
mAT fuses for voltages between
200- 240
V.
- Two 315 mAT fu ses for voltages between 100- 120 V
!see the section "Starting up" on the left).
~ -,11~~' ~ ~ ~-·
~Disconnect
the power cable from the stand.
~
~
Pull out the
f~se
holder.
~
Fuse at rear: Press
o~t
downwards.
~Spare
fuse at front Pull out sideways and
insert into holder at rear.
~ P~sh
the fuse holder back into po sition.
• Connect an incident lamp to the transmitted-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 11.
~
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.
~
Switch on transmitted light.
Bright field is
s~ itable
for examining translucent objects featur-
ing contrasting structures. The obje ct is directly illuminated
fro m below and is seen in its natural colo rs against a bright
backgro~nd.
~
For transmitted light, bright field :
Pu ll lever forwa rds.
Inclined transm itte d light whi ch t raver ses the object oblique ly
will
p rod~ c e
effe cts advant ageous for obs erving small translu-
cent objects such as foram inifera and fis h eggs.
~
Move the lever slowly towards the col um n of the stand until
th e desired effec t 1s obtain ed.
Leica VI St ereomi crosco pes - Assembly
25