D1 series
3-10
Use objective (100X) with oil
1. Use objective 4X to find image.
2. Drop oil on sample. (Figure 22)
3. Turn the nosepiece counter-clockwise and slide
the objective 100X into light path. Then turn fine
adjusting knob to make image clear.
Make sure no bubble inside oil because any
bubble will affect image quality.
A. Please take off eyepiece and open view field
diaphragm and aperture diaphragm thoroughly,
then observe through eyepiece tube to check
bubble. (If the edge of the objective is round and
bright, there is without bubble.)
B. Please turn nosepiece softly and let the 100X
objective swing the oil to wipe off the bubble.
4. After use oil, please clean the objective with 3:7
mixed alcohol and ether or dimethylbenzene on
cloth. Also please wipe off the oil on sample.
Do not turn other objective into light path
before wipe off oil on sample to avoid oil
moisten objectives.
It will dissolve glue on prism if use
more dimethylbenzene.
3-11
Use filter (Figure 23)
Filter can make the background of image more
suitable. No filter for the LED version.
There are blue, green, yellow and neutral for
selection.
3-12
Replace fuse (Figure 24)
Put the power switch on “OFF” before replacing the
fuse. Cut the power supply first, then screw off the
fuse group from the fuse base with “-”
screwdriver. And put a new fuse and screw on the
fuse base. (Fig.24)
Specification: 250V
，
3.15A.
10
Figure 23
Figure 24
Figure 22
