LAISAI LS686 User Manual

Dear User:
Thank you very much for purchasing LAISAI LS686 line laser, please read this instruction manual before operating it.
Content
1. Features and functions
2. User safety
3. Instrument nomenclature.
4. Operation guide
5. Self-check and calibration
6. Demonstration
7. Technical specification
8. Maintenance
1. Feature and functions
LS686 line laser could separately or simultaneously project self-leveling visible horizontal laser line and vertical line. It
provide the accurate horizontal, vertical references for indoor layout and calibration. This kind of product is featured by
easy manipulation and wide applications.
Features:
※ Touch button
※ Output 5 laser lines and 1 laser dot
（Model number ends with D is combination product of dot and line, could output 3 laser dots）
（-3 series product output 3 laser lines）
※ Form two cross laser lines
※ Compatible both indoor and outdoor application,switchable between the continuous laser and pulse laser.
（All green laser series do not have pulse function）
※ Self-leveling, laser flash and audible warning when beyond the self-leveling range
※ The alarming function can be shield, and with tilt function.
※ The instrument is 360 degree rotatable and also can fine adjust the angle.
※ Height could be adjusted by the tripod base.
※ Able to connect with the tripod through 5/8’’ connecting seat.
Note: This instruction manual is also applicable for lasers with higher output power.
2. User safety
※ The laser output mark is at the output aperture.
※ Do not stare into laser beam directly.
※ Do not disassemble the instrument or attempt to perform any internal servicing by yourself, the servicing work could
only be done by the authorized service center.
※ The instrument complies with the safety classification standards of laser radiation.

LAISAI LS686 Specifications

General

Self-Leveling Range	±3°
Power Supply	4 x AA batteries
Brand	LAISAI
Model	LS686
Operating Range	30m (with detector)
Measurement Range	30m (with detector)
Accuracy	±3mm/10m
Sampling Rate	Not specified in provided data
Dimensions	Not specified in provided data
Weight	Not specified in provided data

Summary

Features and Functions of LAISAI LS686 Line Laser

User Safety Guidelines

Instrument Nomenclature and Components

Instruction Manual and Operation

Battery Installation and Charging

Details on mounting AA batteries or rechargeable boxes and charging procedures.

Powering the Instrument with Adapter

Instructions for connecting the instrument to external power using the DC-6V adapter.

Using the Micro USB Power Port

Guidance on powering the instrument via a power bank through the Micro USB port.

Adjusting Supporting Legs for Leveling

How to adjust the instrument's legs to center the bubble for self-leveling.

Horizontal Rotation and Fine Adjustment

Instructions for rotating the instrument horizontally and making fine angle adjustments.

Instrument Placement Options

Methods for placing the instrument directly or connecting it to a tripod.

Operation Keypad Overview

Explanation of buttons, indicators, and their functions on the operation keypad.

Instrument Power ON/OFF and Locking

Procedure for turning the instrument on/off and using the locking mechanism.

Receiving Mode Functionality

Details on using the receiving mode, its indication light, and laser brightness.

Laser Output Control Buttons

How to use buttons to control horizontal and vertical laser line output.

Tilt Mode Operation

Instructions for activating and using the tilt mode for non-leveling applications.

Self-Check and Calibration Procedures

Horizontal Line Accuracy Check (Transverse)

Procedure for checking horizontal line accuracy by measuring deviations on a wall.

Horizontal Accuracy Check (Longitudinal)

Method for verifying horizontal accuracy using two staff points and rotation.

Self-Calibration and Adjustment

Steps for calibrating and adjusting the instrument using calibration apertures.

Demonstration of Use

Technical Specifications

Maintenance and Care