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©2009 Johnson Level & Tool

4. Operating Instructions

Battery Installation

1. Turn the electronic module off while taking out the old batteries

from the battery case.

2. Open the battery cap, remove the old batteries and put in new

ones.

3. Turn on the unit to see if all functions are correct.

Note:

1. Be careful to follow the polarity symbol when replacing the

batteries.

2. Take out the batteries if the electronic module is not going to

be used for a long time.

IMPORTANT: 

It is the responsibility of the user to verify the 

calibration of the instrument before each use.

2333H  5/28/09  1:16 PM  Page 4

Summary of Contents for 40-6028

Page 1: ...odel Nos 40 6028 40 6048 Instruction Manual Congratulations on your choice of this Digital Level We suggest you read this instruction manual thoroughly before using the instrument Save this instructio...

Page 2: ...l No 40 6028 40 6048 Qty Digital Level 1 AAA Alkaline Batteries 3 Instruction Manual 1 Carrying Case 1 2 Features and Functions LCD can rotate 180 5 construction languages units of measure degrees per...

Page 3: ...2009 Johnson Level Tool 3 3 Location of Part Components Handwheel Display Window Operation Buttons 2333H 5 28 09 1 16 PM Page 3...

Page 4: ...e old batteries and put in new ones 3 Turn on the unit to see if all functions are correct Note 1 Be careful to follow the polarity symbol when replacing the batteries 2 Take out the batteries if the...

Page 5: ...blink in this function to remind you that you are in the HOLD function Sound and LCD Illumination Key Press this key once to turn on off the sound function The electronic module will beep once When so...

Page 6: ...imal form and Inches per Foot in fractions of an inch A symbol on the upper right of the screen will explain which MODE you are currently in Zero Calibration Key Please refer to Section 6 Self check a...

Page 7: ...layed on the two ends of the LCD indicate the inclination direction of the digital level When the digital level is at the position of 0 degree the two arrows will show as follows Rotating Display The...

Page 8: ...2 is greater than 2 it is necessary to calibrate the horizontal accuracy Checking the Vertical Calibration Select a flat and vertical platform as a reference surface 1 Place the digital level on this...

Page 9: ...seconds and the digital level will show the angle reading The horizontal calibration is now completed Vertical Calibration 1 Press and hold the CAL REF key for 3 plus seconds unit will beep once When...

Page 10: ...unit is a precision tool that must be handled with care Avoid exposing unit to shock vibrations and extreme temperatures Before moving or transporting the unit make sure that the unit is turned off Re...

Page 11: ...The limited warranty for each product contains various limitations and exclusions NOTE The user is responsible for the proper use and care of the product It is the responsibility of the user to verify...

Page 12: ...12 2009 Johnson Level Tool 2333H 5 28 09 1 16 PM Page 12...

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