Monthly Archives: December 2016

Setting the HI in SurvCE for a Focus35 Robot

There are two measure-up indices on a Spectra Precision Focus-30 / Focus-35 Robotic Total Station:


The lower tape hook is for ‘Slant Height’. The top dot & cross is for ‘Vertical Height’.

If you enter a ‘Slant Height’, the data collector shows you the equivalent ‘Vertical Height’:


(Sorry, the picture is faded…to the right of ‘Vertical’ there is a 5.1600) If I measure 4.650′ to the tape hook then SurvCE computes 5.160′ to optical center.

Alternatively I could select the ‘Vertical’ radio option and then enter 5.16 directly.

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