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Levenhuk DTX 350 LCD
Digital Microscope
User Manual
Ръководство за потребителя
Návod k použití
Bedienungsanleitung
Guía del usuario
Használati útmutató
Guida all’utilizzo
Instrukcja obsługi
Инструкция по эксплуатации
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Levenhuk DTX 350 LCD
Digital Microscope
Microscope parts
Focusing wheel
Setup
Photo/Video/Playback
Up
Down
Capture
Power on/o
LED Dimmer
MicroSD slot
Digital zoom button
Charging indicator
DC: charge battery
USB: output to PC
Locking screw
Mount arm locking knob
Mount locking ring
The kit includes: microscope, microscope stand, USB cable, 1GB 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 (15) 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 (15). Insert
the microscope into the clamp on the mount arm and tighten the locking screw (13).
Tighten the locking knob (14) to lock the mount arm in place. To power the microscope
connect it to your PC with a USB cable.
PortableCapture soware
Insert the installation CD into your CD drive. Double-click PortableCapture to install
the application and follow the instructions on the screen. The installation CD contains
a copy of the user manual, which you can nd in the User Manual folder. Connect the
microscope to your PC with a USB cable and run the PortableCapture application. A pop-
up message will warn you if the microscope is not connected to the PC.
Using the microscope
Focusing adjustment
Place a specimen on the stage and rotate the focusing wheel (1) until the view is focused.
Digital zoom
Push the digital zoom button on the microscope body (10) to zoom in or zoom out.
Capturing an image or recording a video
1) Insert a microSD card into the microSD slot (9). Maximum card size is 32GB.
2) Turn the Focus wheel (1) to focus the image of your object to its best focus.
3) Press the Capture button (6) and the photo will be saved to the microSD card.
4) To switch to the video recording mode, press the Photo/Video/Playback button (3).
Then, press the Capture button (6) to start video recording. Press the Capture button
again to stop video recording.
Playback
1) Insert a microSD card into the slot (9).
2) Press the Photo/Video/Playback button (3) to switch to playback mode.
3) Press the Up (4) and Down buttons (5) to scroll to the previously captured photos and
videos.
Deleting les
1) Insert a microSD card into the slot (9).
2) Press the Photo/Video/Playback button (3) to switch to playback mode.
3) Press the Setup button (2) to choose a le to delete.
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.
DC/USB
14
8
9
10
12
2 53 64 7
1
15
13
11
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Mass storage on PC
1) Insert a microSD card into the slot (9).
2) Connect the microscope to your PC with the USB cable to download images or videos
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.
Application menu
File
Photos Folder: set a directory for captured images.
Videos Folder: 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.
Save as
Copy to clipboard
Copy le
Previous image
Next image
Repeat the last action
Draw
Text
Measurement
Calibration
Undo the last action
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
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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.
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
PortableCapture 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.
Specications
Levenhuk reserves the right to modify or discontinue any product without prior notice.
System requirements
Operating system: Windows 7/8/10, Mac 10.12 and above
CPU: at least P4 1.8GHz or above, RAM: 512MB, Video card: 64MB
Interface: USB 2.0, CD drive
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. 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. Aer unpacking your microscope and before using it for the rst time
check for integrity and durability of every component and connection. 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. Do not use any corrosive or
acetone-based uids to clean the optics. Abrasive particles, such as sand, should not be
wiped o lenses, but instead blown o or brushed away with a so brush. Do not apply
excessive pressure when adjusting focus. Do not overtighten the locking screws. Protect
LCD display 4.3"
Optics material optical glass
Megapixels 0.3 (interpolated to 8M, 5M, 3M, 1.3M)
Magnication 20–600x
Photo *.jpg
Video *.avi
Focusing manual, 5–80mm
Speed 30fps
Illumination 8-LED system with brightness adjustment
Stage with clips and a measuring scale
Body material plastic
Power source 5V DC-in via USB cable or
built-in Li-ion battery: 3.7V, 2500mAh
work time: 7 hours; charging time: 5 hours
Soware image and video processing soware with measurement
function
Soware language English, German, French, Spanish, Russian, Italian,
Portuguese, Polish, Dutch, Japanese, Korean, Chinese
Ability to connect additional
equipment support of microSD cards with capacity up to 32GB (1GB
microSD card included in the kit)
connect to PC via USB cable (included)
Operating temperature
range 0…+45 °C / 32… 113 °F
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the device from sudden impact and excessive mechanical force. 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. 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. Do not submerge. Be careful during your observations, always replace the dust
cover aer you are nished with observations to protect the device from dust and stains.
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. Children should use the device under adult supervision
only. Seek medical advice immediately if a small part or a battery is swallowed.
Battery safety instructions
Utilize used batteries as prescribed by your country laws. 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.
Levenhuk International Lifetime Warranty
All Levenhuk telescopes, microscopes, binoculars and other optical products, except for
accessories, carry a lifetime warranty against defects in materials and workmanship.
Lifetime warranty is a guarantee on the lifetime of the product on the market. All
Levenhuk accessories are warranted to be free of defects in materials and workmanship
for six months from date of retail purchase. The warranty entitles you to free repair or
replacement of the Levenhuk product in any country where a Levenhuk oce is located if
all warranty conditions are met. For further details please visit our web site:
www.levenhuk.com/warranty/
If warranty problems arise, or if you need assistance in using your product, contact the
local Levenhuk branch.