Johnson 1760-2400 User Manual

©2017 Johnson Level & Tool 1
24″ and 48″ Electronic Digital Level
Model Nos. 1760-2400 & 1760-4800
Instruction Manual
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1870i-English_Manuals 3/22/17 1:58 PM Page 1

Johnson 1760-2400 Specifications

General

Laser Wavelength	635nm
Accuracy	±1/8" @ 30ft
Leveling Range	±4 degrees
Battery Life	Up to 20 hours
Operating Temperature	14°F to 113°F (-10°C to +45°C)
Self-Leveling Range	±4 degrees
Battery Type	AA

Summary

Operating Instructions

Battery Installation

Instructions for installing batteries, including removing the panel screw and inserting new batteries.

Using the Product

ON/OFF Button

Explains how to turn the digital level on and off using the ON/OFF button.

Mode Button

Explains how to switch measurement units (degrees, percent, etc.) using the Mode button.

Reference Button

Details how to use the Reference Mode to set any slope to '0.0' for comparative measurements.

Hold Button

Explains how to lock the current angle reading on the LCD display using the Hold button.

Sound Button

Describes the sound function, including different beep types based on angle.

Backlight Button

Explains how to activate the LCD backlight and its auto-off behavior.

Calibrate Button

Instructs to see the Calibration section for more information on using the Calibrate button.

Auto Shut-Off

Details the automatic shut-off feature, which can be set to 5 minutes or 2 hours.

Inclination Indication

Explains the use of left and right arrows to indicate the direction of inclination.

Calibration

Technical Specifications

Care and Handling

Product Warranty