public pure subroutine dm_geocom_api_request_set_orientation(request, hz)
Request of TMC_SetOrientation procedure. Creates request for
orientating the instrument in horizontal direction.
The API function is a combination of an angle measurement to get the
horizontal offset and setting the angle offset afterwards, in order
to orientate to a target. Before the new orientation can be set, an
existing distance must be cleared by calling API function
TMC_DoMeasure with command GEOCOM_TMC_CLEAR.
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