7
2.2 Assembly Procedure
2.2.1 Installing the Objective
（
Fig.1-2
）
1. Adjust the coarse focus knob until the
support device of the mechanical stage
reach its low limit position.
2. Screw the lowest magnification objective
into the nosepiece from the left or the
right side, then revolve the nosepiece
clockwise/counterclockwise and mount
other objectives by the sequence of low
to high magnification.
◎
Installing objective this way will make the
change of magnification to be easier
during using.
★
A12.1062 Model: Turn on the power
supply. The corresponding objective
magnification on the LCD screen will
be highlighted(as shown in figure 3)
when the nosepiece moves to a certain
position.
Then
install
the
corresponding
objective
at
this
location.
★
Clean the objective regularly, for lens
is susceptible to dust.
★
When operating, use 10×magnification
objective
to
search
and
focus
specimen firstly, then replace with
higher
magnification
objective
if
necessary.
★
When replacing the objective, slowly
turn the nosepiece until you hear
“clicked”, that means the objective
enter the required position--the light
path center.
Fig.2
Fig.1
Fig.3
10X
