5
Menu Key
surrounding the earth decreases with altitude, light is refracted at different rates at
different altitudes. The error caused by this change in refraction is called refraction
error.
Curvature error (A A
HD
HD'
VD
VD'
SD
VA
Re
k
Coordinate
To open the Coordinate menu, press
Coord.
Order
Label
AZ
The Order and AZ job settings cannot be changed once a job is created.
Power saving
To open the Power Save menu, press
PwrSave
Main Unit
EDM Unit
Sleep
116
Total Station NPL-322 Instruction Manual
)
Refraction error (A A1
'
A
P
'
Horizontal
direction
A
O
Horizontal dist. (before adj.)
Horizontal dist. (after adj.)
Vertical dist. (before adj.)
Vertical dist. (after adj.)
Slope distance
Vertical angle
6370 km
C&R constant (0.132 or 0.200)
2
(
SD
sin
2VA
HD'
=
HD
----------------------------------- 1
–
2R
e
2
HD
(
VD'
=
VD
+
---------- - 1 k
–
2R
e
in the Settings menu.
NEZ/ENZ
XYZ/YXZ/NEZ(ENZ)
North/South
in the Settings menu.
OFF/5min/10min/30min
OFF/At Once/0.1min/0.5min/3min/10min
OFF/1min/3min/5min
)
'
A1
'
A1
A
P
'
)
k
⎛
⎞
-- -
–
⎝
⎠
2
)
or select
[3]
or select
[4]