11
clamping mounting plate (Fig. 3.29) to return onto the
prepared slide. The object which is to be observed must be ex-
actly above or below the illumination. In order to achieve this,
there are two milled thumb screws on the stage. This is the so-
called stage drive (Fig. 3.26+27). By turning these screws it is
possible to precisely position the object, in the left or right di-
rection (Fig. 3.27) and forwards or backwards (Fig. 3.26).
c) Then switch on the LCD monitor, by pressing the power switch
on the screen module (Fig. 1+2.12); the red operating light Fig.
1+2.11) will light up. Then look at the LCD monitor (Fig. 1+2.2)
and carefully turn the focusing wheel (Fig. 1.16) until the image
is sharp. With the stage you can now centre the object at the
desired place on the LCD monitor.
d) For higher magnification turn the lens turret (Fig. 1.4) to a hig-
her setting (objectives 10x and 40x).
Note:
Before you change the objective setting, first move the mi-
croscope table fully downwards Fig. 1.7). This will avoid
possible damage!
The higher the magnification, the more light is needed for a good
image quality.
Important notes:
Depending on the preparation in use, higher magnification in in-
dividual cases will not lead to a better picture! The magnification
is altered by changing the objective. This alters the sharpness
of the image which must be adjusted by the focusing wheel (Fig.
1.16). Proceed here very carefully. If you raise the microscope
table too quickly, the objective and the slides can touch each
other and be damaged!
e) The magnification factor of the LCD eyepiece amounts to
12.5x. In
combination with the 4x-objective we obtain a total magnification
of 40x, i.e. 1 mm of the object is shown as 40 mm on the LCD
monitor. With the 10x objective we have a total magnification of
125x, correspondingly, with the 40x objective 500x.
f) The colour filter disc (Fig. 1+4.15, beneath the microscope
table (Fig. 1+4.7) helps you when viewing very brightly or trans-
parent preparations. For this please select the suitable colour
depending upon the object being observed. The components of
colourless or transparent objects (e.g. grain containing starch,
single-celled organisms) will be much easier to recognise.
3.2 Operation of the screen module
3.2.1 Observing the screen
If you switch on the LCD monitor (see section 3.1 c), you will see
the live image of your object as well as five different displays:
If you've set the LCD screen option (see section 3.1 c) then you'll
see a live picture of your specimen with four different entries.
a) There's a camera symbol at top left (photo mode) together with
the graphics resolution (number of pixels by width and height).
b) Bottom left the remaining sd card memory is shown in square
brackets.
c) EV brightness correction is shown first bottom right. Press the
up or down arrows (illustration 2.20) to adjust brightness from -
1.2 (dark) to +1.2 (bright).
d) The electronic zoom factor is shown second bottom right
next to a magnifying glass symbol. Use the right and left ar-
rows (illustration 2.20) to enlarge the image by factors from
1 to 4. – Maximum LCD Micro enlargement is hence 4 x
500 = 2000x.
3.2.2 Producing photographs
By pressing of the photo button “SNAP “(Fig. 2.21) a pho-
tograph is taken of the live image, which is stored to your sd
card.
3.2.3 Photograph management
By pressing the change button “ESC “(Fig. 2.23) you change
from live images to the list of stored photographs. In the list,
you can select a required picture by pressing the appropriate
arrow keys (Fig. 2.20); the selected picture has a yellow bor-
der. To display it press the ”OK” input key (Fig. 2.20). By pres-
sing “ESC” you can return to the list, press “ESC “again to
return to the live image.
By pressing the “MENU” button (Fig. 2.22) whilst displaying
the list, a menu bar appears, which you can control using the
appropriate arrow keys (Fig. 2.20, ). Here you can also
change certain settings and bring them into force by pressing
the “OK” input key (Fig. 2.20).
Menu overview in list display.
a) File Protect, Lock, Unlock, Exit. Use the left arrow key to
leave the selection screen.
b) Del File – Current (delete chosen graphics file), All (delete
all graphics files). This is queried for certainty reasons. If you
decide yes use the left arrow key to go to OK and press OK.
If not leave Cancel activated and press OK to return to the list.
c) Video (list of film records, Video Player), Picture (list of photo
records, Picture View). Video can be reached from the picture
list and vice versa.
d) Exit has the same effect as "ESC“.
3.2.4 Revise settings
By pressing the “MENU” button (Fig. 2.22) whilst displaying
the live image a menu bar appears, which you can control
using the appropriate arrow keys (Fig. 2.20). Here you can
also change settings and bring them into force by
pressing the “OK” input key (Fig. 2.20).
Menu overview (during live image display):
a) Mode (photography mode): Single, Auto (at intervals given
in Setting), Setting (photo intervals in minutes and seconds,
adjusted using arrow keys and OK). Start the photo session
with "„SNAP“; the countdown to the next photo is shown in
the middle of the screen. End it after the next snap with ESC.
b) Size (pictorial resolution, width x height): A selection of
different resolutions are available.
c) Effect (graphical effect): Normal (normal positive colour
image), Negative (negative image), Sepia (sepia shading),
BlackWhite.
d) Date Label of the stored snaps: Setting (time), Yes (label),
None (no label). If you're in Setting press OK. Use the up
and down arrows to change the year shown by a yellow
arrow. Use the right and left arrows to alter the month and
day in "Date“, the hours and minutes in "Time“. Select the
time set with OK - this will be acknowledged by brief display
of "Success". The year, month and day of a picture is shown
top left.
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