3
Ⅱ
.Installation and operation
2-1、
Basic operation
1. Turn on the power supply: turn on the power
supply and turn the main switch on the side of the
microscope to the "-" state.
2. Adjust the light intensity: turn the knob to
adjust the lighting intensity.
SET LIM(light intensity control
）
brightness
1、Turn off LIM switch ①
(when LIM
indicator light ② is off) and turn the low
magnification objective into the light path to
focus the sample.
2、
Turn the brightness adjustment knob ③
to select the best observation brightness. Press
the LIM setting button (set key) to input the
current brightness.
3、Repeat the above steps to set the best
brightness for each objective.
Each objective can be set a special brightness separately. After setting the brightness
for the objective lens, when the objective lens is selected, turn on LIM switch ①, and
the brightness will be automatically adjusted to the preset value; If it is necessary
