5
3.6 Laser left/right move button
3.6.1 Laser dot on-grade function
a) Press
buttons simultaneously and loosen after one second, the laser dot
will automatically centre
b) The symbol on LCD will flash during centering operations.
c) After centering, LCD will display
symbol.
3.6.2 Laser dot scanning function
a) Press laser left arrow button to make the laser move leftwards, press right arrow
button to make the laser move rightwards, single press to move slowly,
continuous press to move quickly.
b) When the laser is moving, LCD will display symbol to show the laser dot
position.
Symbol flash indicates the laser dot is at the left limit position.
Symbol indicates the laser dot is at the leftward
Symbol indicates the laser dot is centering.
Symbol indicates the laser dot is at the rightward
Symbol flash indicates the laser dot is at the right limit position
3.7 Laser Grade setting
Power on and press the grade setting key to change grade value. The grade
value will display ‘+00.000%’ and the ‘+’ will be highlighted.
a) After entering the grade set mode, select all digits for grade setting using the SET
button. Use
buttons to change digit values
• Lowest digit: 0
• Maximum digit: 9
b) Hold on
simultaneously to reset the grade value back to 0.
c) When required grade values have been set press to confirm
d) The laser will now level at set grade, the laser grade symbol will flash. When self-
levelling procedure has completed the flashing stops
3.8 Grade locking function
Press
and
simultaneously until symbol show on LCD the instrument
will lock the current grade value. CAUTION the self-levelling function will now be
disabled, no matter how the instrument moves, the laser dot will not adjust and
self-level.