Sokkia SET 550, Настройка и эксплуатация, Страница: 26 / 33

Backsight
Backsight
by Coordinate
by Coordinate
„
„
Use this method when you have 2
Use this method when you have 2
known survey points with the
known survey points with the
instrument established on one and the
instrument established on one and the
mirror target on the other survey point
mirror target on the other survey point
„
„
From the
From the
“
“
MEAS
MEAS
”
”
menu select
menu select
[COORD] and then
[COORD] and then
“
“
Stn
Stn
.
.
Orientation
Orientation
”
”
. Set the instrument
. Set the instrument
coordinates with
coordinates with
“
“
Stn
Stn
. Coordinate
. Coordinate
”
”
and then select [OK] and return to
and then select [OK] and return to
“
“
Backsight
Backsight
”
”
„ „
Select
Select
“
“
Coord
Coord
”
”
and then enter the
and then enter the
backsight
backsight
target coordinates (NBS,
target coordinates (NBS,
EBS, ZBS) and select [OK]
EBS, ZBS) and select [OK]
„
„
Sight in the target and inspect the
Sight in the target and inspect the
“
“
Azmth
Azmth
”
”
(it should be reasonable for
(it should be reasonable for
your coordinate system).
your coordinate system).
„
„
Select [YES] to calibrate. If you don
Select [YES] to calibrate. If you don
’
’
t
t
select [YES] the coordinate system is
select [YES] the coordinate system is
still random
still random