Leica GPS1200 Series Technical Reference Manual page 1256

Survey - Hidden Points
Hidden point measure-
ments including
heights step-by-step
The following table explains the most common settings. Refer to the stated chapter for more
information on screens.
Step Description
1. Refer to "46.2 Accessing Hidden Point Measurement" to access
HIDDEN PT Hidden Point Measurement.
2. HIDDEN PT Hidden Point Measurement
<Method:> The hidden point measurement method. The setting
determines the availability of the subsequent fields and softkeys.
They are explained in previous chapters related to the individual
methods.
<ΔHeight:> The positive or negative height difference between the
centre of the hidden point measurement device and the target point.
Type in the value. When a hidden point measurement device is
attached to the receiver to measure the height difference, the value
is automatically transferred.
For hidden point measurement methods using two known points,
<ΔHeight:> must be determined from each known point.
<ΔHeight:> can be computed using SLOPE (F5).
3. HGTS (F3) to access HIDDEN PT Device & Target Height.
4. HIDDEN PT Device & Target Height
<Device Ht at Pt A:> The height of the hidden point measurement
device above <Point:> respective <Point A:>.
GPS1200 1256
Refer to
chapter
46.3.1,
46.3.2,
46.3.3,
46.3.4 and
46.3.5
46.5