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Johnson 1880-2400, Instruction Manual, Page: 4 / 12

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Johnson 1880-2400 Instruction Manual Download Page 4

4

©2013 Johnson Level & Tool - Rev. 1

4. Operating Instructions

Battery Installation

1. Turn the digital level off.
2. Open the battery panel by removing the battery panel screw.
3.  Remove the old batteries and put in new ones.
4. 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 digital level 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.

Battery Panel Screw

7640H-English_Manuals  12/11/13  4:18 PM  Page 4

Summary of Contents for 1880-2400

Page 1: ...l Model Nos 1880 2400 1880 4800 Instruction Manual Congratulations on your choice of this Digital Level We suggest you read this instruction manual thoroughly before using the instrument Save this ins...

Page 2: ...Instruction Manual 1 Carrying Case 1 2 Features and Functions IP 65 dust and waterproof Extremely accurate with 0 05 at 0 and 90 Angle inclination in 5 construction languages units of measure degrees...

Page 3: ...ible and visual plumb and level indicators Shock absorbing end caps Large hand grips fastened with screws Rigid aluminum box frame profile 3 Location of Part Components LCD Display Window Keypad Hand...

Page 4: ...in new ones 4 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 digital level is not goi...

Page 5: ...n once to switch from one unit of measure to another This controls which unit of measure your digital level will measure in Your level has the capability to measure in degrees percentage of Direction...

Page 6: ...setting is for automatic shut off in 5 minutes NOTE When the battery is low less than 5 the digital level will default to 5 minute automatic shut off the battery symbol will begin to flash and there...

Page 7: ...beep 3 Between 0 9 0 1 or 89 1 89 9 there is a rapid beep 4 0 and 90 there is a continuous sound Press this button again to exit the sound mode The sound will turn off after 20 seconds of non movemen...

Page 8: ...ee the horizontal reference line will show as follows Auto Shut Off The digital level will automatically shut off in 5 minutes if no key is pressed NOTE This can be changed to a 2 hour automatic shut...

Page 9: ...ackward ERRO will appear on the LCD Push the Calibration Button one time to exit calibration mode and repeat the procedure 6 If the calibration procedure is successful the LCD will display rdy The cal...

Page 10: ...rocedure automatically Calibration 1 Select a flat horizontal platform as a reference surface like a table surface 2 With the digital level turned on push the MODE button and CAL button at the same ti...

Page 11: ...1880 4800 IP Class 65 8 Care and Handling This unit is a precision tool that must be handled with care Avoid exposing unit to shock vibrations and extreme temperatures Before moving or transporting th...

Page 12: ...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 the calibration of the instrument before each...

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