Johnson Level & Tool Mfg. 40-6690 User Manual

Page 13

Center position
After the laser is turned on, pressing the left and right control
buttons simultaneously for one second, will reset the laser
line to the center position.
• When the dot is moving to the center position, the LCD will display

the following symbol.

• When the laser dot is centered, the LCD will display the

following symbol.

Grade setting position button
Turn the laser on by pressing the power button. The laser will move
to the last entered grade. Press the set button and the (+) or (-)
symbol on the LCD will blink. Pressing the set button again will
make the first digit blink. Each additional press of the set button will
make the next digit to the right blink. When the last digit is blinking
and the set button is pressed again, the (+) or (-) symbol will blink.

Grade increase or decrease buttons
In the grade setting mode, with the desired digit blinking, change the
grade value by pressing these buttons. Press the up button to
increase the value of the digit. Press the down button to decrease
the value of the digit. Holding the button in will change the value
quickly.

Holding the together will set the grade value to “0”.

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