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Rugby 410/420 DG
21
Accessories
6.2
The Sighting Scope
A sighting scope (739870) is available as an optional accessory for 
alignment of the axes and second day setups.
The scope is magnetically mounted to the top of the housing and once 
aligned has a repeatable accuracy of approximately ± 0.2°.
Alignment of the 
crosshairs
If using the scope for reference or second day setup, use the raised 
sights on the top of the laser to align your Rugby to a second control 
point.
The scope is roughly aligned at the factory. If a more precise alignment 
is desired, first align the Rugby to a second control point using the proce-
dure for Precise Alignment of the Axes found in this manual.
A = Vertical crosshair alignment
A