NPL-352 Manual-09.pdf

Applications 4
Two-prism pole 40.1
1. To enter the two-prism pole function, press [3]
or select 2Prism Pole in the Offset menu.
2. Sight the first prism and press [MSR1] or [MSR2].
3. Sight the second prism and press [MSR1] or
[MSR2].
4. Enter the distance between the second prism
and the target point. Alternatively, if you do
not need QA information, you can leave the
distance between the first and the second
prism blank.
5. If you do enter a P1-P2 distance, the QA
screen appears. Compare the entered value and
the measured distance to check the accuracy of
the observation.
6. To record the point, press [ENT] or the OK
softkey.
Sample records
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
In this sample data, 0.5090 is the measured value. 0.5060 is the entered value.
Pulse Laser Station NPL-302 Series Instruction Manual 107