Leica GPS1200 Series Technical Reference Manual page 1257

Survey - Hidden Points
Step Description
<Target Ht:> The height of the target point above the hidden point
when measured from <Point:> respective <Point A:>.
<Device Ht at Pt B:> Available for hidden point measurement
methods using two known points. The height of the hidden point
measurement device above <Point B:>.
<Target Ht:> Available for hidden point measurement methods using
two known points. The height of the target point above the hidden
point when measured from <Point B:>.
5. CONT (F1) to close the screen and to return to HIDDEN PT Hidden
Point Measurement.
<ΔHeight:> in HIDDEN PT Hidden Point Measurement still
displays the positive or negative height difference between the centre
of the hidden point measurement device and the target point. The
height of the hidden point measurement device above the ground and
the height of the target point above the hidden point are applied when
the hidden point is computed.
6. HIDDEN PT Hidden Point Measurement
Continue with the hidden point measurements. Follow the instruc-
tions in the chapter relevant to the setting for <Method:>.
GPS1200
Refer to
chapter
46.3.1,
46.3.2,
46.3.3,
46.3.4 and
46.3.5
1257