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Thank you for purchasing this high-accuracy dual-slope horizontal 

rotary laser. This laser is ideal for critical level measurements, where 

accuracy can’t be compromised.

This tool features:

•  Class IIIa long-range laser

•  Dual-slope for grading

•  Tilt indicator

•  Remote control

Quick Start Guide: Rotary Laser 40-6535 • 40-6541

GETTING STARTED

1.  Insert batteries into the laser and the remote control.
2.  Most functions of the laser require the remote control for 

operation. Note: The laser will stop receiving remote signals after 

30 minutes of inactivity. Press      on the laser to re-enable com-

munication with the remote. 

3.  Tap      to power on the laser. The laser will self-level and rotate. 

The laser will flash if out of its self-leveling range. If this occurs, 

bring the laser within 5° of level and restart it.

4.  Tap      to disable or enable the tilt indicator. See the Tilt Indicator 

section for more information. 

5.  To power off the laser, tap      . The laser will turn off and enter 

sleep mode for 30 minutes. It can be woken with the remote 

control or the laser keypad. After 30 minutes, it will stop receiving 

remote control signals. 

Typical Applications Include:

•  Setting and leveling concrete 

formwork

•  Grading

•  Concrete flatwork

www.johnsonlevel.com/manuals

We want to get you up and running as quickly as possible - but this quick start guide is not a replacement for reading and understanding your  

operator’s manual! For complete safety & operating instructions, refer to the operator’s manual included with your rotary laser, or scan the QR code.

BUTTON GUIDE

Most functions of this laser are accessed via the remote control - this 

minimizes disturbances to the laser during operation. 

The power and tilt indicator buttons can be accessed from the laser.

POWER

SLOPE AXIS

TILT INDICATOR

ENTER BUTTON

SLOPE UP/DOWN 

TILT INDICATOR

The tilt indicator disables the laser if it’s bumped while operating,  

preventing you from taking inaccurate measurements.
To enable the tilt indicator:
1.  With the laser powered on, press     . 
2.  The Tilt Mode LED will flash for 30 seconds. During this time, the 

laser will automatically re-level and restart if bumped. This gives 

you time to make any necessary final adjustments to the laser.

3.  After 30 seconds, the Tilt Mode LED will remain on, indicating Tilt 

Mode is active. Any disturbance to the laser will cause it to stop 

spinning and flash to alert you. 

4.  Reset the laser after a tilt event or exit tilt mode by pressing     .

For a video quick start guide, 

scan the QR code to the right:

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