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20.2 Coordinates setting-out measurement
7 ) Move the reflecting prism right or
left until the "dHA" value be-
comes O000'00".
(start H distance S - 0 measurement)
Setting out
5.364m
HAR
0~ 00' 00"
0
OOOm
HAR
0
00' 00"
8) W h e n
" d H A "
has
b e c o m e
0 " 0 0 ' 0 0 " , p r e s s
a
a n d
then
.
The setting-out measurement is
started, and then the horizontal
distance measurement is started.
After about 4.7 seconds (Fine
measurement mode), the dis-
tance from the setting-out data to
the reflecting prism is displayed.
9) Move the reflecting prism to-
wards or away from the instru-
ment on thesighting lineto deter-
minethe point until the horizontal
distance becomes 0.000 m.
@
If
the Repeat measurement mode
has been selected, press
t o
stop the measurement.
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