Topcon mmGPS 3D Paver, Reference Manual

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Getting Started
mmGPS 3D Paver Reference Manual
5-26
Using Multiple Transmitters
Up to four PZL-1 laser transmitters can be used for a single job,
increasing the range of the sensors to cover nearly 8000ft (2438m) in
distance or up to 130ft (40m) of elevation changes. When using
multiple transmitters, you will use 3DMC and the Pocket-3D hand-
held controller to configure the PZS-MC and PSZ-1 for detecting
each transmitter.
When using multiple transmitters, place each transmitter so that its
beam will partially intersect the beam of its neighbor transmitter
(Figure 5-19). The PZL-1 laser transmitters can be placed on either
level or hilly ground.
Figure 5-19. Multiple Laser Transmitter Placement
Slope Control
mmGPS 3D Paver uses a slope sensor mounted to the transducer
beam on the paver to measure and control the slope of the mat being
laid (Figure 5-20 on page 5-27). The sensor contains an electronic
level vial, that acts as a “precision carpenter’s level”. Slope control
with this electronic level vial is very accurate and repeatable.