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Levenhuk DTX 500 LCD
Digital Microscope
User Manual
Návod k použití
Bedienungsanleitung
Guía del usuario
Instrukcja obsługi
Инструкция по эксплуатации
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PIXELS
500x
3.5''
Levenhuk DTX 500 LCD
Digital Microscope
EN
Never, under any circumstances, look directly at the Sun,
another bright source of light or at a laser through this device,
as this may cause PERMANENT RETINAL DAMAGE
and may lead to BLINDNESS.
Microscope parts
The kit includes: microscope, rechargeable battery, power cable, USB cable, RCA cable,
Levenhuk DTX installation CD, cleaning cloth, user guide, calibration scale.
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LCD display
MicroSD card slot
Fine focus knob
Microscope optical tube
Stage
Coarse focus knob
Focus lock knob
Shutter button
Brightness adjustment wheel
Magnification adjustment wheel
Power cable socket
RCA socket
USB socket
Battery compartment
Battery status indicator
Function keys
Microscope assembly
Open the battery compartment at the bottom of the microscope base. Insert the battery into the
battery compartment matching the indicated polarity. The battery has to be fully charged before
turning the microscope on for the first time. Plug the power cable into the power cable socket
on the microscope body (11) and connect it to a power source. The battery status indicator (15)
will turn red. Once the battery is fully charged, the indicator will go out. You can now disconnect
the microscope from the power source and turn it on. The fully-charged battery allows you to
use the microscope for two hours. The illumination will grow dim and the image quality will
decrease to inform you that the battery is low. Charge the battery, as described above.
A microSD card (purchased separately) is required to save captured images and recorded videos.
Turn the microscope off and insert the microSD card into the corresponding slot on the
microscope body until it locks in place with a click. Do not apply excessive force when inserting
the microSD card. Try rotating the card, if it does not lock in place with ease. Format the card
before using it.
To turn the microscope on press the power button (16). To turn the microscope off press
the power button (16) again (refer to Power saving for more information).
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Image capture mode icon
Sequence capture mode icon
Captured image counter/Total number
of images that may be captured
(based on the current resolution)
MicroSD status icon
Current image resolution
Battery status indicator
Note: interface icons may be hidden by pressing
the magnification adjustment wheel (9).
Using the microscope
Capturing an image
Turn the microscope on and place a specimen on the stage. Adjust the illumination
brightness, so that the specimen is evenly lit. Change magnification and focus your
view, if necessary, then lock the results in place with the focus lock knob (7). Press the
shutter button (8).
Recording a video
Press the ◄ key (16) to switch to video mode. The icon in the upper left corner of the
screen will change in confirmation. Press the shutter button (8) to start recording and
press it again to stop.
Playing recorded videos
Press the ◄ key (16) to switch to playback mode. The icon in the upper left corner of
the screen will change in confirmation. Select the desired video clip with scroll keys
(16) and press OK to play it.
Deleting files
When browsing saved files, press the Wrench key (16), select Delete… press OK to
confirm selection (you can choose to delete everything or just the selected file from the
displayed menu).
Protecting files
When browsing saved files, press the Wrench key (16), select Protect press OK
confirm selection (you can choose to protect everything or just the selected file from
the displayed menu).
Slideshow
When browsing saved files, press the Wrench key (16), select Slide Show and press
OK to confirm selection.
Interface color mode
When browsing saved files, press the ▲ key to switch between existing interface color
modes.
Magnification
Scroll the magnification adjustment wheel (10) to zoom your view in or out.
Note: magnification range of Levenhuk DTX 500 LCD is 1x–4x.
Transferring files to a computer
Connect the microscope to your computer with a USB cable and, when the AutoPlay window
appears, choose to use the microscope as an external storage device.
Main menu
Press the Wrench key (16) to open the main menu. From this menu you can set image
resolution, adjust image quality and sharpness, as well as set parameters for sequence
capture.
Resolution
Select Resolution the main menu choose the required image resolution.
Press OK to confirm selection.
Note: model supports the following resolutions: VGA / 1.3M / 3M / 5M / 8M / 12M.
Sequence capture
Select Timer from the main menu and set the total number of images to be captured in the
Frames dialog window. Confirm your selection by pressing OK. A new dialog window will
appear where you can set the interval between images using the ▲ and ▼ keys. Press OK to
confirm and ◄ to return to capture mode. Press the shutter button to start capturing images.
The icon in the upper left corner will change in confirmation. Once the set number of images
has been captured, the screen will return to standard capture mode. Press the shutter button
at any time to stop sequence capture.
Quality
Select Quality from the main menu and choose one of the existing settings. This will change
the compression rate of captured images.
Sharpness
Select Sharpness from the main menu and choose one of the existing settings.
Language
Select Language from the main menu and choose one of the existing settings. Press OK
to confirm selection.
Power saving
Select Power Save from the main menu and set the idle time before the microscope
automatically shuts down.
Display frequency
Select Frequency from the main menu and choose one of the existing settings. Press OK
to confirm selection.
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Date and time display
Select Date Stamp from the main menu and choose one of the existing settings. You can opt
to display the date or both date and time. Press OK to confirm selection.
TV connection
Select TV Out from the main menu and choose one of the existing settings. Press OK to
confirm selection.
Date and time
Select Date/Time from the main menu and set the current date and time. Press OK to
confirm entry. You can also choose one of the following date formats: YY/MM/DD, DD/MM/YY
or MM/DD/YY.
Format SD card
Select Format SD from the main menu to format the installed memory card.
Settings reset
Select Sys. Reset from the main menu to revert back to factory settings.
Hardware version
Select Version from the main menu to check the current hardware version.
Connecting the microscope to a TV-set
Plug the RCA cable into the microscope and connect it to your TV-set (refer to the User Guide
of your TV-set for additional information). Turn on the TV and select the correct channel from
the corresponding menu of the TV-set (refer to the User Guide of your TV-set for additional
information).
PortableCapture Pro software
Insert the installation CD into your CD drive. The Main Menu window will be displayed. Select
PortableCapture software to install the PortableCapture Pro application. Keep in mind that
a system restart will be required during installation.The installation CD contains a copy of
this User Guide, which you can read by clicking the corresponding entry in the Main Menu.
Connect the microscope to your PC with a USB cable and run the PortableCapture Pro
application. A pop-up message will warn you if the microscope is not connected to the PC.
Note: function keys are disabled when the microscope is connected to a computer as a
camera. The microscope is operated through the PortableCapture Pro application. All the
images and videos will be saved to the computer's hard drive.
Capture an image
Start and stop
video recording
Sequence capture (you can set the time to begin capturing images
or videos, interval between them, video duration and the number
of images or videos to be captured)
Full screen mode. To exit full screen mode, press Escape
on your keyboard or double-click anywhere on the screen
Save as
Copy to clipboard
Copy file
Previous image
Next image
Undo the last action
Repeat the last action
Draw
Text
Measurement
Calibration
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File
Photos Directory: set a directory for captured images.
Videos Directory: set a directory for recorded videos.
Options
Resolution: set image resolution.
Date/Time: hide or display date and time of capture during preview.
Language: change the language of the user interface.
Crossing: hide or display a grid on images.
Full screen mode: go full screen.
Capture
Photo: capture an image.
Video: record a video.
Capturing an image
Click the corresponding icon on the toolbar or select Photo from the Capture menu.
Recording a video
Click the corresponding icon on the toolbar or select Video from the Capture menu.
Sequence capture
Click the corresponding icon on the toolbar. A dialog window will appear where you can
set a number of parameters for sequence capture. Click the Photo radio button to set
the time to begin capturing images, interval between them and the total number of
images. Click the Video radio button to set the time to begin recording videos, their
duration, interval between them and the total number of clips.
Calibrating
Before calibrating the microscope, turn the grid display on. To do so, select on from
Options > Crossing. By default, the grid is visible. Place the calibration scale on the
stage and focus your view. Make sure that the vertical axis of the grid is parallel to scale
divisions and capture an image. Double-click the image thumbnail to open it in a
separate window.
Click the corresponding icon on the toolbar to begin calibration. Using your mouse,
choose two points on the image (you have to know the actual distance between these
two points). Once you choose the second point, a dialog window will open, where you
have to enter the known distance in the Actual dimension field. The application will
automatically calculate the magnification of the image. Click OK to close the dialog
window. The calculated magnification will be displayed in the Magnification field.
Note: chosen points should form a horizontal line.
You can check calibration results by measuring the same distance with the Any Angle Line
tool. Click the measurements icon, choose the Any Angle Line tool and draw a similar line
on the image. If the measured distance is equal to the actual distance, calibration has been
successful.
Recalibration
The calibration process has to be repeated if the magnification or focus has been changed
during observations.
Click the corresponding icon on the toolbar again and select Reset picture magnification
from Reset magnification. Repeat the calibration process, as described above. Change the
magnification and capture a few images. Double-click one of the thumbnails to open the
resulting image in a preview window. Click the calibration icon on the toolbar and select Set
picture magnification from Set magnification. Enter the current magnification in the dialog
window that appears and click OK.
If you want to use the same magnification when capturing images in the future, click the
calibration icon on the toolbar and select Set capture magnification from Set
magnification.
Measurements
It is recommended to calibrate the system before proceeding with measurements.
Any Angle Line. Press and hold the left mouse button to start drawing a line. Release the left
mouse button to complete the line.
Continuous Line. Use this tool to draw a curve on the image and measure its length.
Radius Circle. Draw a straight line on the image. The application will automatically calculate
the radius, as well as circumference and area of the corresponding circle.
Diameter Circle. Draw a straight line on the image. The application will automatically
calculate the diameter, as well as circumference and area of the corresponding circle.
Three Points Angle. Place three points on the image with your mouse. The application will
automatically calculate the angle value.
Draw and text
PortableCapture Pro allows you to add drawings and textboxes to your images. Open an
image in a preview window and click the Pencil icon on the toolbar. Select one of the tools
from the drop-down menu and draw something on the image. By clicking the TT icon on the
toolbar, you can edit font type and color to be used in textboxes.
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