STEINDORFF NYMCS-1701, Руководство пользователя

Страница: 18 / 35

17
STEINDORFF
®
3.2 Reflected observing illumination adjustment
knob
3.2.1 Turn power, adjusting brightness (fig 12)
Connect the power, turn on the main switch ① (shown
on the fig.12) which on the bottom side of the base to
“
－
” (on). Turning the brightness adjustment knob
clockwise ② , the voltage raise, and the brightness
strengthen; whereas turning at the contra direction, the
voltage decline, and the brightness weaken.
◎
Using the lamp in a low voltage condition, will
prolong the service life.
3.2.2 Adjusting the Tension Adjustment Collar
(fig13)
The tension of the coarse focusing
knob
②
has already been adjusted properly
before leaving factory.
◎
How to adjust tension of the coarse focusing knob?
Turn the tension adjustment collar ① . While revolving
at the direction of the arrow in the figure, the tension of
the coarse focusing knob
②
is increasing, and if at the
contra direction, the tension will decline.
3.2.3 The centering ring (fig 14, 15)
★
Usually you do not need the operation of centering.
If necessary, please accord to the following steps:
1. Place the specimen on the stage and focus it.
2. Take out the eyepiece, replace it with the CT (the
centering telescope), and inserted it into the
viewing tube without diopter adjustment.
3. Make sure the matched phase contrast objective and
light ring (in the phase contrast slider) have been
in the center of the light path.
Fig 12
②
①
Fig 13
③
②
①
Fig 14
2
1
③
Fig 15
knob