System Requirements; Care And Maintenance - Levenhuk DTX 300 LCD Guia Del Usuario

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 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.
Straight line. Press and hold the left mouse button to start drawing a line. Release the
left mouse button to complete the line.
Continuous Line. Press and hold the left mouse button and draw a line. Release the left
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 left mouse button to draw a line on the image.
Release the left 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.
4
Specifications
LCD display 4.3"
Optics material optical glass
Megapixels 0.3 (interpolated to 8M, 5M, 3M, 1.3M)
Magnification 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
Software image and video processing software with measurement
function
Software language English, German, French, Spanish, Russian, Italian,
Portuguese, Polish, Dutch, Japanese, Korean, Chinese
Ability to connect additional support of microSD cards with capacity up to 32GB (1GB
equipment microSD card included in the kit)
connect to PC via USB cable (included)
connect to TV via TV cable (included)
Operating temperature 0...+45 °C / 32... 113 °F
range
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, any monitor with TV input

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. After unpacking your microscope and before using it for the first time
check for integrity and durability of every component and connection. Do not touch the
optical surfaces with your fingers. 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 fluids to clean the optics. Abrasive particles, such as sand, should not be
wiped off lenses, but instead blown off or brushed away with a soft brush. Do not apply