1. Wprowadzenie
The RockSeed Mileseey Cross Line Laser Level L52R is a precision instrument designed for various leveling and alignment tasks. It projects bright red horizontal and vertical laser lines, offering high visibility and accuracy for both professional and DIY applications. This manual provides essential information for the safe and effective use of your laser level.
2. Instrukcje bezpieczeństwa
OSTRZEŻENIE: This is a Class 2 laser product with a power output of <1mW. Direct exposure to the laser beam may cause eye injury. Always follow these safety guidelines:
- Nie patrz bezpośrednio w wiązkę lasera.
- Nie kieruj wiązki laserowej na ludzi lub zwierzęta.
- Avoid operating the laser level near reflective surfaces that could redirect the beam into your eyes or others'.
- Do not allow children to operate the laser level.
- Używaj urządzenia tylko zgodnie z jego przeznaczeniem.
- Nie należy podejmować prób modyfikacji ani demontażu poziomnicy laserowej.
3. Zawartość opakowania
Sprawdź, czy w opakowaniu znajdują się wszystkie elementy:
- 1 x RockSeed Mileseey Cross Line Laser Level L52R Tool
- 1 x Canvas Carry Case
- 1 x Magic Strap
- 2 baterie AA
- 1 x Instrukcja obsługi

Image: Contents of the L52R package, showing the laser level, carry case, magic strap, batteries, and manual.
4. Konfiguracja i instalacja baterii
4.1 Instalacja baterii
The L52R laser level operates on two AA batteries. To install or replace batteries:
- Znajdź pokrywę komory baterii w urządzeniu.
- Otwórz pokrywę.
- Włóż dwie baterie AA, zwracając uwagę na prawidłową biegunowość (+/-).
- Dokładnie zamknij pokrywę komory baterii.
4.2 Opcje montażu
Poziom laserowy oferuje wszechstronne możliwości montażu dla różnych zastosowań:
- Magic Strap Installation: The card slot at the back of the machine allows for installation with the included magic strap. This enables easy attachment to irregular pillars or posts.

Image: Laser level secured to a column with the magic strap, demonstrating its use.
- Mocowanie magnetyczne: The powerful magnet design allows the laser level to be easily attached to various iron frames and walls, providing stable laser lines.

Image: Laser level attached to a metal beam via its magnetic base, showing its versatility.
- Montaż na statywie: The device features a 1/4" thread mount, allowing it to be attached to a standard tripod or other compatible fixtures and accessories for height adjustment and precise positioning.

Image: Laser level on a tripod, used for aligning pictures on a wall.
5. Tryby pracy
The L52R laser level features two primary operating modes:
5.1 Self-Leveling Mode (Auto Balance Mode)
This mode automatically levels the laser lines within a certain tilt range.
- Aktywacja: Unlock the pendulum by sliding the switch to the 'unlocked' position.
- Działanie: If the tilt angle is ≤ 4°, the laser level will automatically project horizontal, vertical, or cross lines.
- Wskaźnik braku poziomu: If the device is tilted beyond 4°, the laser lines will flash to indicate an out-of-level condition. Adjust the device until the lines stop flashing and become steady.
5.2 Tryb ręczny (tryb blokady)
This mode allows you to project laser lines at any desired angle.
- Aktywacja: Lock the pendulum by sliding the switch to the 'locked' position.
- Działanie: In this mode, the laser lines are locked and will not self-level. You can manually place the unit at any angle to project tilted lines for tasks like staircase alignment.
- Alarm: A speaker alarm may sound when adjusting in manual mode, indicating the pendulum is locked.

Image: Visual explanation of the self-leveling and manual lock modes.
6. Działanie
6.1 Powering On/Off and Switching Lines
Use the main power switch to turn the device on or off. Press the mode button to cycle through horizontal line, vertical line, or cross line projection.
6.2 Zastosowania
The L52R laser level is suitable for a wide range of tasks, including:
- Płytki chodnikowe
- Installing photos, doors, and windows
- Furniture carpentry
- Hanging wallpaper
- General alignment and layout tasks

Image: Various uses of the laser level in different home improvement and construction tasks.
7. Konserwacja i pielęgnacja
To ensure the longevity and accuracy of your laser level:
- Czyszczenie: Przetrzyj urządzenie miękką, damp cloth. Do not use harsh chemicals or abrasive cleaners. Keep the laser output window clean.
- Składowanie: Store the laser level in its canvas carry case in a dry, cool place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
- Ochrona: The device has an IP54 protection grade, making it resistant to dust and splashing water. It also features 4 ft. collision protection. However, avoid unnecessary drops or impacts.

Image: Laser level demonstrating its IP54 water and dust resistance.
8. Rozwiązywanie Problemów
- Migają linie laserowe: In self-leveling mode, this indicates the device is tilted beyond its 4° self-leveling range. Adjust the position of the laser level until the lines become steady.
- Brak linii laserowych: Check if the device is powered on and if the batteries are correctly installed and charged.
- Niedokładne wiersze: Ensure the device is on a stable surface and within its self-leveling range (if in self-leveling mode). Avoid strong vibrations during operation.
9. Specyfikacje techniczne
| Marka | Nasiona skalne |
| Model | L52R |
| Klasa laserowa | Klasa 2 |
| Moc wyjściowa | <1mW |
| Zakres pomiarowy | Up to 50ft (approx. 15m) |
| Dokładność | ±1/8 of an inch at 30 Ft (±3mm at 10m) |
| Zakres samopoziomowania | ≤ 4° |
| Stopień ochrony | IP54 (pyłoszczelność, odporność na zachlapanie) |
| Ochrona przed upadkiem | 4 stóp. |
| Tworzywo | Metal, Plastik |
| Waga przedmiotu | 460 gram |
| Tryb działania | Automatyczna, Manualna |
10. Gwarancja i wsparcie
The RockSeed Mileseey Cross Line Laser Level L52R is covered by a DWULETNIA gwarancja. For any product questions, technical assistance, or warranty claims, please contact RockSeed customer support. Refer to the contact information provided with your purchase or visit the official RockSeed webstrona.
Official Mileseey Webstrona: www.mileseeytools.com