3-69
3
REC/Of
fs
et
3-3) Two-Prism Pole Offset Measurements
After a distance measurement to the first
prism on the pole, press the [REC],
[2:O/S] and [3:Pole] to get to the two-
prism pole measurement.
Input the distance between the second
prism and the target point. Distance
between the first and the second prism
can be left blank if you don’t need any
QA information.
Sight the second prism and take a
measurement.
After taking a measurement, it
automatically goes to the record PT
screen.
Press [ENT] to record the point.
Only when the P1-P2 distance is input, a
QA screen is displayed before the “Input
Point” screen. The input value and the
measured distance can be compared to
confirm the accuracy of the observation.
= Example of recorded RAW data from [O/S]/3: Pole =
SS,14,0.0000,38.9200,271.0350,89.2630,11:04:15,DITCH
CO,2Prism O/S: P1-P2= 0.5090( 0.5060) P2-Tgt= 0.5020
Input Distance
P1-P2: m
P2-Tgt:0.55 m
1
1:Tape 5:Cnr
2:Angle 6:+SD
3:Pole 7:Circl
4:+Line
3
Sight 2nd Prism
Press MSRorTRK
P1-P2 Dist
KeyIn: 0.480 m
MSRed: 0.502 m
Redo
OK
Input Point
PT:47
CD:DITCH1
Lst
Stk
[MSR]
Measured value
Input value
Summary of Contents for DTM-330
Page 1: ...Electronic Total Stations Model DTM 350 Model DTM 330 Instruction Manual ...
Page 11: ...1 NOMENCLATURE ...
Page 157: ...4 8 4 CHECKING AND ADJUSTMENT ...
Page 190: ......