Thank you for purchasing this Johnson digital angle locator and ruler. We suggest you read this
instruction manual thoroughly before using the tool and save this instruction manual for future use.
Key Features:
• Dual display indicates degrees/degrees minutes
• Stainless steel ruled blade in 1/32nds and mm
• Simple three button operation
• Blades lock at any angle
LOCATION OF PARTS/COMPONENTS
LOCKING KNOB
ON/OFF/ZERO button: Short press when unit is off, turns unit on. Short press when unit is on,
displays "0.00". Press and hold for 3 seconds to turn unit off.
HOLD button: Single press displays "H" in lower right corner and holds last displayed value
regardless of arm position. Pressing while held value is displayed turns off "H" in lower right corner
and releases value. Display reads value relative to calibration.
D/M button: Toggles displayed engineering units from "0.00°" (degrees) to "0°00'"
(degrees.minutes).
Locking Knob: When rotated clockwise, locks arm in current position. When rotated
counterclockwise, unlocks arm making it free to rotate and measure other angles.
INSERTING BATTERIES
1. Open battery compartment by pressing button.
2. Remove battery holder by pulling out from
opposite side.
3. Install 3V CR2032 lithium battery in holder, negative side up.
4. Re-install battery holder, making sure it is fully closed.
Note: 5 minutes of inactivity automatically turns unit off.
USING THE PRODUCT
Power the unit on by pressing the ON/OFF/ZERO button. Display should read "0.00" regardless of
the position of the ruler/angle arms. Movement of the arms automatically indicates a measured angle
with reference to the arm placement when unit was turned on.
To calibrate the display to a 0° reference angle, place the arms on a flat surface and press the ON/
OFF/ZERO button as shown below. Display is now calibrated to a reference angle of 0°.
1888-0700 Operator's Manual
CONTROL
BUTTONS
1. Position ruler/angle arms as shown
2. Press ON/OFF/ZERO button to calibrate/rezero
the display
HANG HOLE
RULER/ANGLE ARM
LCD
BATTERY HOLDER
Download this manual at
www.johnsonlevel.com/manuals
1888-0700 v2
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