1. Uvod
The MiLESEEY DP20 Bilateral Laser Distance Meter is a professional-grade measuring tool designed for accuracy and efficiency in various applications. This device features patented coaxial optical technology, multiple measurement functions, and a durable design, making it suitable for both professional and DIY use. This manual provides comprehensive instructions for its safe and effective operation.

Figure 1: MiLESEEY DP20 Bilateral Laser Distance Meter
2. Sigurnosne informacije
Molimo vas da pročitate i razumjete sva sigurnosna uputstva prije upotrebe uređaja. Nepoštivanje ovih uputstava može dovesti do izlaganja laserskom zračenju, električnog udara, požara ili ozbiljnih povreda.
2.1 Opća sigurnost
- Držite uređaj van domašaja djece.
- Ne pokušavajte modificirati ili rastavljati uređaj. Popravke treba obavljati samo ovlašteno osoblje.
- Avoid using the device in explosive atmospheres or near flammable materials.
- Protect the device from extreme temperatures, moisture, and strong vibrations.
2.2 Laser Safety
WARNING: This product emits Class 2 laser radiation. Avoid direct eye exposure to the laser beam.
- Ne gledajte direktno u laserski snop.
- Nemojte usmjeravati lasersku zraku prema ljudima ili životinjama.
- Ne koristite optičke instrumente (npr. dvogled, teleskop) za view laserski snop.
- Ensure the laser is switched off when not in use.
3. Sadržaj paketa
Provjerite da li su sve stavke prisutne u paketu:
- MiLESEEY DP20 Bilateral Laser Distance Meter x1
- Hard Case x1
- Type-C kabel za punjenje x1
- Uputstvo za upotrebu x1
- Remen za ruku x1

Figure 2: Contents included in the DP20 package
4. Proizvod je gotovview
The MiLESEEY DP20 is engineered for precision and ease of use. Key features include:
- Bilateral Measurement: Allows measurement between two points from any position along the measurement line, significantly speeding up tasks.
- Patented Coaxial Optical Technology: Ensures both laser beams share a common geometric axis, eliminating measurement inaccuracies.
- Višestruke mjerne funkcije: Includes single, continuous, area, volume, automatic horizontal/vertical height, and line segment division.
- OLED Display with Big Text Mode: Provides clear readability of measurements, even in challenging lighting conditions.
- Durable and Compact Design: Made from aerospace-grade magnesium-aluminum alloy, offering robustness and a comfortable grip.
- Punjiva baterija: Integrated 1000mAh lithium battery with USB-C charging for extended use.
4.1 Komponente i ekran
Familiarize yourself with the device's components and display interface.

Figure 3: Clear OLED Display with Big Text Mode for enhanced readability.

Figure 4: Illustration of the patented coaxial optical design for precise measurements.
5. Podešavanje
5.1 Punjenje baterije
The DP20 comes with a built-in 1000mAh lithium battery. Before first use, fully charge the device using the provided Type-C charging cable.
- Connect the Type-C cable to the charging port on the device.
- Drugi kraj kabla priključite na USB adapter za napajanje (nije uključen) ili USB port računara.
- The battery indicator on the display will show charging status. A full charge typically takes about 2 hours.

Figure 5: Charging the DP20 via USB-C port.
5.2 Uključivanje/isključivanje napajanja
- Za uključivanje pritisnite MEAS dugme.
- To power off, long-press the CLEAR/OFF dugme. Uređaj će se također automatski isključiti nakon određenog perioda neaktivnosti radi uštede baterije.
6. Načini rada
The DP20 offers a variety of measurement modes to suit different needs. Use the MODE button to cycle through the available functions.
6.1 Single and Continuous Measurement
For basic distance measurements.
- Pritisnite MEAS button once for a single measurement.
- Dugo pritisnite MEAS button to enter continuous measurement mode, which also displays minimum and maximum distances. Press MEAS ponovo da se zaustavi.
6.2 Bilateral and One-Way Measurement
The DP20 allows switching between bilateral (two-way) and one-way laser measurement.
- Use the dedicated button (often labeled T/R or similar, refer to device markings) to switch between bilateral and one-way laser modes.
- Bilateral mode measures the distance between two points by positioning the device anywhere along the line.
- One-way mode measures from the device to a single target point.

Figure 6: Demonstrating one-way and two-way measurement capabilities.
6.3 Area and Volume Measurement
To calculate area or volume:
- Select the Area or Volume mode using the MODE dugme.
- Follow the on-screen prompts to take the required number of measurements (e.g., length and width for area; length, width, and height for volume).
- The device will automatically calculate and display the result.
6.4 Pythagorean Measurement
For indirect measurements of height or distance where direct measurement is not possible.
- Select the Pythagorean mode using the MODE dugme.
- Follow the on-screen prompts to take the necessary measurements (e.g., hypotenuse and one leg for height).
- The device will calculate and display the unknown dimension.
6.5 Line Segment Division (Staking Out)
This function divides a line segment into equal smaller segments, useful for tasks like installing multiple items at consistent intervals.
- Enter the Line Segment Division mode (often labeled 1/N).
- Set the number of desired segments (N).
- Measure the total length of the line. The device will then guide you to the division points.

Figure 7: Using the auto line segment division feature for consistent spacing.
6.6 Digital Angle Level
The integrated digital angle level provides real-time angle measurements.
- The device automatically displays the current tilt angle.
- This feature can be used in conjunction with other measurement modes for more complex calculations.

Figure 8: The digital tilt sensor provides accurate angle readings.
7. Napredne funkcije
7.1 Bluetooth Connectivity and App Synchronization
The DP20 supports Bluetooth connectivity, allowing it to pair with the
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