Johnson Level & Tool Mfg. 40-6006 - Manual (Page 11)

Subtracting Measurements
1. To subtract additional measurements after taking the first
measurement, press the function button twice.
2. The first measurement will move to the sub-screen and the laser
beam will be on. The subtract sign (–) by the main screen will be
flashing.
3. Point the laser beam to the next target and press the button.
4. The first measurement will be displayed on the sub-screen and the
combined measurements will be displayed on the main screen.
5. To subtract additional measurements, press the button twice
again. The (–) sign will be on and the combined measurements will
move to the sub-screen.
6. Press the button and the new measurement will be displayed
on the sub-screen and total measurement on the main screen.
7. Repeat as often as desired.
Area, Volume & Indirect (Pythagoras) Measurements
1. To move from line, to area, to volume, to indirect measurements in a
continuous loop, hold in the function button. Releasing the
button will select the desired measurement.
2. To move from one measurement to the next, hold the button in
for 2 seconds.
©2013 Johnson Level & Tool - Rev. 1 11
7349H-English_Manuals 9/6/13 1:55 PM Page 11