Olympus BHTU Petunjuk Manual - Halaman 10

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Halaman Cetak
v.
OPERATION
A.
Switching on the Light Source
1)
Ascertain
that
the
voltage selector SWitch
CD
is set to conform WIth the local mains voltage.
(Fig. 3)
If
the
switch is not correctly set. adjust it by
means of the Allen wrench provided, or a
screw-driver.
2) Place the
sliding
voltage control lever on the
nght side of the microscope base to a lXlSition
dosest to you
(low
voltage
position). Switch
on the
light
source (ma;n
SWitch
(2)1. (FIQ. 3)
,
.
Fig. 3
I
Voltage Adjustment and Ugh! Intensity
I
As you push the control lever
(j)
in the direction
of the ARROW. the voltage increases. and the
LED
readout (2)
\¥ill display
the lamp
voltage.
(Fig. 4)
IlP
(light Intensity Presening) Switch
Apart from
the
light intensity set by voltage
adjustment control lever,
the
LP switch can set
the light intensity as required.
Presetting the light intensity (Fig. 5)
1)
Switch ON the LP switch CD.
2) Insert a slotted screwdriver into me LP
adjust~
ment screw (1). Turning it clockwise will in-
crease the light intensity. Turn it until required
intensity is obtained.
*
The light intensity will not change even
if the voltage adjustment lever
@ with
the LP switch ON. To change the light
intensity by using the voltage adjustment
lever, switch the LP switch OFF. To recall
the light intensity preset, push the LP
switch to ON.
A Hint on Convenient Application of the LP
Switch
For instance, when you want to use two kinds of
objective lens ahernatley. set one objective
by using
the vohage adjustment [ever. then set another
objective lens by using the LP switch. This allows
the ffght intensity 10 recallhe intensity initially preset
by switching the LP swilch ON and OFF.
This also allows the light intensity setting for
photomicrography.
9
Fig. 4
Fig. 5