Johnson Level & Tool Mfg. 40-6690 User Manual

Page 9

Left and Right line control buttons
With the laser powered on, press the left line control button to move the laser beam to the
left and press the right line control button to move the laser beam to the right. The speed
of the line movement increases as the line control button is held.

When the laser dot is moving, the LCD display will show the relevant laser dot position.
A *---- symbol flashing means the laser dot is as far left as it can go.
A -*--- symbol means the laser dot is on the left
A --*-- symbol means the laser dot is centered
A ---*- symbol means the laser dot is on the right
A ----* symbol flashing means the laser dot is as far to the right as it can go.

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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