RockSeed LV1
RockSeed Cross Line Laser Level Instruction Manual
Model: LV1 | Brand: RockSeed
Introduction
This manual provides detailed instructions for the safe and effective operation of your RockSeed Cross Line Laser Level. Please read this manual thoroughly before use and retain it for future reference.

The RockSeed Cross Line Laser Level projects bright red horizontal and vertical lines for precise alignment tasks.
Safety Information
Laser Safety
WARNING: This product emits laser radiation. Avoid direct eye exposure to the laser beam. Do not stare into the beam.
This device complies with 21 CFR 1040.10 and 1040.11 except for conformance with IEC 60825-1 Ed. 3., as described in Laser Notice No. 56, dated May 8, 2019.
General Safety Precautions
Always operate the laser level in a stable environment. Keep the device clean and dry. Do not attempt to disassemble or repair the unit yourself.
Package Contents
The RockSeed Cross Line Laser Level package includes:
- 1 x Laser Level Tool
- 1 x Canvas Carry Case
- 2 x AA Batteries
- 1 x Instruction Manual

Included items: the laser level, a canvas carry case, two AA batteries, and this instruction manual.
Product Overview & Features
The RockSeed Cross Line Laser Level is designed for various leveling and alignment tasks, offering high visibility and accuracy.
Key Features:
- Dual Modes: Self-Leveling & Manual: Easily switch between modes for automatic leveling or locking the cross line at any angle.
- High Visibility & Accuracy: Projects a bright red cross line with an accuracy of ±1/8 inch at 30 feet.
- Durable Design: IP54 protection grade ensures resistance to shock, water, and dust.
- Flexible Mounting: Features a 1/4" thread mount for tripod attachment and can be used with a magnetic bracket (sold separately).

The laser level assists in various applications, including hanging pictures, installing stair railings, and applying wallpaper.

Understand the two operational modes: self-leveling for automatic horizontal/vertical alignment and manual mode for projecting lines at custom angles.

The robust design provides 1.2 meters of drop protection, enhancing durability on job sites.

The 1/4" thread mount allows for versatile attachment to tripods or magnetic brackets for flexible positioning.

The IP54 rating ensures the laser level is protected against dust, water splashes, and impacts.
Setup
Battery Installation
- Open the battery compartment cover located on the back of the device.
- Insert the two AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
Initial Placement
Place the laser level on a stable, flat surface or mount it on a tripod. Ensure the surface is relatively level for optimal self-leveling performance.
Operating Instructions
Power On/Off
Slide the power switch to the ON position to power on the device. Slide it to the OFF position to power off.
Self-Leveling Mode
When the power switch is in the ON position, the device defaults to self-leveling mode. The laser will automatically level itself within a range of 4° ± 1°. If the device is outside this range, the laser lines will flash to indicate an out-of-level condition. Adjust the device's position until the lines stop flashing and become steady.
Manual Mode
To activate manual mode, slide the power switch to the ON position, then press and hold the power button on top of the unit for 3 seconds. In manual mode, the self-leveling function is deactivated, allowing you to project laser lines at any desired angle. The laser lines will not flash in this mode, regardless of the device's tilt.
Switching Laser Lines
Press the button on top of the unit to cycle through laser line modes: horizontal line only, vertical line only, or both horizontal and vertical lines (cross line).
Maintenance
Cleaning
Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or solvents. Keep the laser output window clean for clear projection.
Storage
When not in use for extended periods, remove the batteries to prevent leakage. Store the device in its canvas carry case in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
Laser Lines Flashing
If the laser lines are flashing in self-leveling mode, the device is out of its self-leveling range. Adjust the position of the laser level until it is within 4° ± 1° of true level. The lines will become steady once leveled.
No Laser Output
Check if the batteries are correctly installed and have sufficient charge. Ensure the power switch is in the ON position. If the issue persists, replace the batteries.
Poor Visibility of Laser Lines
Laser line visibility can be affected by ambient light. For best results, use the laser level in dimly lit environments. The red laser is designed for indoor use or shaded outdoor areas.
Specifications
| Feature | Detail |
|---|---|
| Brand | RockSeed |
| Model | LV1 |
| Color | Red |
| Material | Metal |
| Product Dimensions | 3.94"L x 3.54"W |
| Item Weight | 0.51 Pounds (8.2 ounces) |
| Operation Mode | Automatic |
| Self-Leveling Range | 4° ± 1° |
| Accuracy | ±1/8 inch at 30 Ft |
| Protection Grade | IP54 (Shock resistant, waterproof, dustproof) |
| Power Source | Battery Powered (2 AA Alkaline batteries included) |
| Mounting Thread | 1/4" |
Warranty and Support
Warranty Information
Every RockSeed laser level is covered by a ONE-YEAR after-sale service. This warranty covers defects in materials and workmanship under normal use.
Customer Support
For any product questions, technical assistance, or warranty claims, please contact RockSeed customer support through the retailer's platform or visit the official RockSeed website for contact details.
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