Leica GPS1200+ Technical Reference Manual page 1068

Reference Line
For task Measure to Arc, <Heights: Use Ref Line> and <Edit Height: No>
Description of fields
Field Option
<ΔHt-Arc:> Output
<Height:> Output
For task Measure to XX, <Heights: Use DTM Model> and <Edit Height: No>
Description of fields
Field Option
<ΔHt-DTM:> Output
<Height:> Output
For task Measure to XX, <Heights: XX> and <Edit Height: Yes>
Description of fields
Field Option
<Design Ht:> User input
Description
Height difference between the reference point on the
arc and the measured point.
Height of measured point.
Description
Height difference between the measured point and
the DTM.
Height of measured point.
Description
Allows input of the design height of the target point.
The suggested value for the <Design Ht:> is as
configured in the <Heights:> field in REFLINE
Configuration, Heights page.
GPS1200+ 1068