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The Johnson 40-6250 digital machine level is the simplest, most
accurate way to level equipment such as mills, presses, lathes,
compressors, granite plates and other items in your factory or jobsite.
Proper leveling ensures the longevity of your equipment, reduces
vibrations, helps ensure proper alignment and helps control the
accuracy of your equipment’s outputs.
This digital machine level features:
• Extreme accuracy to 0.01°
• Wireless remote communication
for ease of use
• +/- 10° operating range
• Backlit remote control screen
• 32’ operating range
40-6250 Digital Machine Level Quick Start Guide
www.johnsonlevel.com/manuals
POWERING THE DEVICE
1. The remote control requires 3xAAA batteries to operate. Remove
the battery door on the remote to install/replace these batteries.
2. The sensor can operate from either 3xAAA batteries or from
For best results, calibrate prior to each use.
1. Put the sensor on a flat surface within ±3° of level.
2. Power on the sensor and remote. Press and hold
for 5 seconds
(until you hear 5 quick beeps) to enter calibration mode.
3. The screen will flash and “1” will illuminate on the LCD. Press
to
store the first calibration point. The sensor will beep 3 times, and
“2” will illuminate to indicate the calibration point is stored.
4. Rotate the sensor 180° as shown below, then press
to store the
second calibration point. Three beeps indicate point #2 is stored.
The sensor will power off to indicate calibration is successful.
LCD & REMOTE OVERVIEW
LOCATING THE SENSOR
The sensor can be placed on any flat surface that you need to
level. Installation can be temporary or permanent. For temporary
placement, you can simply lay the sensor on top of the surface you
wish to level, or you can secure it along the flanged bottom edge
using clamps. For permanent installation, you can also mount it using
screws through the four included mounting holes.
CALIBRATION
LEVEL INDICATORS (X & Y)
BLUETOOTH / CALIBRATION CHANNEL
STATUS (Battery, Volume, Backlight, Lock)
MEASURE REFERENCE
DISPLAY UNIT
CURRENT MEASUREMENT
CAL POSITION #1
POWER -
Press/hold to power on/off
MEASURE -
Press to start measuring angle
RESOLUTION -
Press to set resolution, hold to select degree mode
FUNCTION -
Press to set unit, hold to select channel
ABS/REL -
Set absolute or relative angle, set alarm points
LOCK & SOUND -
Press to lock the keypad, hold to toggle sound
AXES & LIGHT -
Press to set axes, hold to toggle backlight
CAL POSITION #2
the included 5V adapter. To install
batteries, remove the battery access
screw on the underside of the sensor
and install the batteries according to
the polarity indicated.
3. To use the 5V adapter, press it firmly
into the sensor’s DC power port. Only
use the included power adapter.
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 tool, or scan the QR code.