6. The laser starts to search for the receiver.
The HL760 display shows a flashing –GM–
during the time the laser is searching and adjusting
the beam to the on-grade position.
7. When Grade Match has been completed, the
HL760 goes back to the standard elevation
display while the laser stays at Y-axis single
slope mode.
The red and green LED flash
simultaneously (once a second).
8. Check the elevations along the direction
of the slope.
When the slope work has been finished,
press the button two times to go
back to automatic self-leveling mode.
Automatic Grade Match using the RC402N
1 Hz
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