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Levenhuk DTX TV LCD
Digital Microscope
User Manual
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Levenhuk DTX TV LCD
Digital Microscope
Microscope parts
Up
Down
Setup/Delete
OK (Conrm)
Power on/o
LED Dimmer
Capture remote control unit in
Charging indicator
MicroSD slot
2.4" color LCD display
Focus wheel
HDMI out
1/4" screw
TV out
DC: charge battery
USB: output to PC
Photo/Video switch
Capture
Playback
The kit includes: microscope, microscope stand, AC adapter, USB cable, HDMI cable, TV
cable, capture remote control, 4G microSD memory card, soware CD, user manual and
warranty slip.
Microscope assembly
Take the microscope and all of the accessories out of the package. Place the stage on a
stable surface. Attach the mount locking ring (16) to the metal tube of the mount. Insert
the metal tube into the opening on the stage and lock it in place with the ring (16). Insert
the microscope into the clamp on the mount arm and tighten the locking screw (14).
Tighten the locking knob (15) to lock the mount arm in place. To power the microscope
connect it to your PC with a USB cable.
Display icons
Capture an image
Start and stop video recording
Exposure
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 will be hidden if no key has been pressed and held for 5 seconds.
PortableCaptureHD soware
Insert the installation CD into your CD drive. The Main Menu window will be displayed.
Click the Install PortableCaptureHD to install the application and follow the instructions
on screen. The installation CD contains a copy of this user manual, 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 PortableCaptureHD application. A pop-up message will
warn you if the microscope is not connected to the PC.
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.
8976
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13 4 5
2
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14
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Using the microscope
Connection to TV/monitor with HDMI input
1) Connect the microscope to the TV/monitor by inserting the HDMI cable into the HDMI
input port. Turn on the power of your TV/monitor and select the HDMI setting.
2) Power the microscope with the supplied power adapter. If the microscope is not
already on, turn on the power by pressing the Power on/o button (5), and then you can
start the preview on the screen.
Capturing an image
1) Insert a microSD card into the microSD slot (9). Maximum card size is 32GB.
2) Turn the Focus wheel (11) to focus the image of your object to its best focus.
3) Press the Capture button (17) on the capture remote control and the photo will be
saved to the microSD card.
Playback
1) Insert a microSD card in the slot.
2) Press the Playback button (18) on the capture remote control to switch to playback mode.
3) Press the Down button (2) to watch the previous captured photo. Press the Playback
button (18) on the capture remote control again to return to preview.
Deleting les
1) Insert a microSD card in the slot.
2) Press the Playback button (18) on the capture remote control to switch to playback mode.
3) Press the Setup button (3) to choose a le to delete.
Mass storage on PC
1) Insert a microSD card in the slot.
2) Connect the microscope to your PC with the USB cable to download images from the
card to your computer.
Preview on PC
1) Only works with the soware installed.
2) Remove the microSD card from the slot.
3) Connect the microscope to your PC with the USB cable.
Display menu
Press Setup button (3) to open the main display menu. From this menu you can set image
and video resolution, adjust image exposure, set the interface language, turn on the
power saving mode, hide or display date and time, set up the TV connection, format the
SD card, reset settings and check the hardware version. Also, this menu provides access
to the Loop recording mode and Date Stamp option.
Resolution
Select the image or video Resolution from the main menu and choose the required
resolution by pressing the Down button (2), then conrm by pressing the OK button (4).
Note: This model supports the following image resolutions: 3M, 5M, 8M, 12M; video
resolutions: 1080P, 720P, VGA.
Exposure (Brightness)
Select Exposure from the main menu and then select a target value.
Date Stamp
Select Date Stamp from the main menu and then select a target option.
Date and time
Select Date/Time from the main menu by the Down button (2) and set the current date
and time. Press the OK button (4) to conrm entry. You can also choose one of the
following date formats: YY/MM/DD, DD/MM/YY or MM/DD/YY. Press the Setup button (3)
to return to preview mode.
Loop recording
Select the duration of the video clip to turn on the Loop recording mode. While the Loop
recording mode is on, each video clip of selected duration will be recorded over the
previous one.
Power saving
Select Auto Power O from the main menu and set the idle time before the microscope
automatically shuts down. Press the OK button (4) to conrm selection.
Language
Select Language from the main menu and choose one of the existing settings. Press the
OK button (4) to conrm selection.
TV connection
Select TV Mode from the main menu and then select, between NTSC and PAL, the correct
mode compatible with your TV. Press the OK button (4) to conrm selection.
MicroSD card formatting
Select Format SD from the main menu to format the installed memory card. All the
les on the card will be deleted aer card formatting. Normally card formatting is not
necessary, unless your card is not able to store the captured image.
Settings reset
Select Default Setting from the main menu to revert back to factory settings.
Capture
an image
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
Start and stop
video recording
4
Hardware version
Select Version from the main menu to check the current hardware version.
Application menu
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.
XY Guide: 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.
Calibration
Before calibrating the microscope, turn the grid display on. To do so, select On from
Options > XY Guide. 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 eld. The application will automatically
calculate the magnication of the image. Click OK to close the dialog window. The
calculated magnication will be displayed in the Magnication eld.
Note: Chosen points should form a horizontal line.
You can check calibration results by measuring the same distance with the Straight line
tool. Click the measurements icon, choose the Straight 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 magnication or focus has been changed
during observations.
Save as
Copy to clipboard
Copy le
Previous image
Next image
Repeat the last action
Draw
Text
Measurement
Calibration
Undo the last action
5
Click the corresponding icon on the toolbar again and select Reset picture magnication
from Reset magnication. Repeat the calibration process, as described above. Change
the magnication 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 magnication from Set magnication. Enter the current magnication
in the dialog window that appears and click OK.
If you want to use the same magnication when capturing images in the future, click
the calibration icon on the toolbar and select Set capture magnication from Set
magnication.
Measurements
It is recommended to calibrate the system before proceeding with measurements.
Straight line. Press and hold the le mouse button to start drawing a line. Release the
le mouse button to complete the line.
Continuous Line. Press and hold the le mouse button and draw a line. Release the le
mouse button to complete the segment. You can continue adding more segments to the
free-form line.
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. Press and hold the le mouse button to draw a line on the image.
Release the le mouse button and draw another line. The application will automatically
calculate value of the resulting angle.
Draw and text
PortableCaptureHD 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.
Working with the application for Mac OS users
Browse to the mac folder on the installation CD and copy PortableCaptureHD le to
the desktop. Use a USB cable to connect the microscope to your computer. Run the
PortableCaptureHD application by double-clicking its icon.
A magnied image of the observed specimen may be seen in the main window of the
application. From the Options menu, select Preview Size to set the image resolution.
Keep in mind that the preview window cannot be resized (standard resolution is
640x480). The image resolution is shown in the bottom le corner of the preview window.
From the Options menu, select Date/Time to display or hide the date and time of capture
during preview.
Click the corresponding icon on the toolbar or select Photo from the Capture menu to
capture an image. An image thumbnail will appear on the right side of the main window.
Click the corresponding icon on the toolbar or select Video from the Capture menu
to start recording a video. A video thumbnail will appear on the right side of the main
window.
Note: During recording, the camcorder icon on the toolbar will turn red. Click the icon
again to stop recording.
Image and video thumbnails are displayed on the right side of the main window of the
application.
Double-click an image thumbnail to open it in a separate preview window.
Editing images with PortableCaptureHD application is similar to working with other
applications in Mac OS.
From the main menu, select Quit PortableCaptureHD to exit the application.
Care and maintenance
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. White LEDs are very bright; do not look at
them as this may cause permanent damage to your vision. Take necessary precautions
when using the device with children or others who have not read or who do not fully
understand these instructions. Aer unpacking your microscope and before using it for
the rst time check for integrity and durability of every component and connection. Do
not try to disassemble the device on your own for any reason. For repairs and cleaning
of any kind, please contact your local specialized service center. Protect the device from
sudden impact and excessive mechanical force. Do not apply excessive pressure when
adjusting focus. Do not overtighten the locking screws. Do not touch the optical surfaces
with your ngers. To clean the device exterior, use only special cleaning wipes and special
optics cleaning tools from Levenhuk. Abrasive particles, such as sand, should not be
wiped o lenses, but instead blown o or brushed away with a so brush. Do not use
the device for lengthy periods of time, or leave it unattended in direct sunlight. Keep the
device away from water and high humidity. Be careful during your observations, always
replace the dust cover aer you are nished with observations to protect the device from
dust and stains. If you are not using your microscope for extended periods of time, store
the objective lenses and eyepieces separately from the microscope. Store the device in a
dry, cool place away from hazardous acids and other chemicals, away from heaters, open
re and other sources of high temperatures. To avoid data loss or equipment damage,
always close the application rst, and then disconnect the microscope from your PC. Wait
until the illumination goes o completely, and disconnect the microscope. Seek medical
advice immediately if a small part or a battery is swallowed.
Battery safety instructions
Always purchase the correct size and grade of battery most suitable for the intended
use. Always replace the whole set of batteries at one time; taking care not to mix old
and new ones, or batteries of dierent types. Clean the battery contacts and also those
of the device prior to battery installation. Make sure the batteries are installed correctly
with regard to polarity (+ and –). Remove batteries from equipment that is not to be
used for an extended period of time. Remove used batteries promptly. Never attempt to
recharge primary batteries as this may cause leakage, re, or explosion. Never short-
circuit batteries as this may lead to high temperatures, leakage, or explosion. Never
heat batteries in order to revive them. Remember to switch o devices aer use. Keep
batteries out of the reach of children, to avoid risk of ingestion, suocation, or poisoning.
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