Spectra DG711 User Manual download pdf (Page 49)

5 Applications and Setups

42 DG711 and DG511 Pipe Laser User Guide

This is accomplished by one of the

following methods:

1 Place the bull’s-eye target

under a plumb bob that has been

transferred from an offset grade

hub.

2 If using a transit or theodolite,

align the bull’s-eye target to the

vertical cross hair of the transit’s

telescope.

3 If the bull’s-eye target cannot

be seen, use the plus sign on the

positive grade button to align the

target to the vertical cross hair of

the transit.

4 In an over-the-top setup, set the

laser on a tripod and plumb bob

them over the first grade stake.

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