Spectra Precision Survey Pro v3.80 Ranger GPS User Manual - Manual (Page 91)

Trouble Shooting
87
•
Stake out to Point 101 has now begun. Watch the design
location move to the rover location, as you get closer.
•
Press '21( to accept this staked location and return to the
Stake Points screen.
10. Conventional measurements
•
Tap the instrument icon in the title bar and switch to
Conventional Mode .
•
Go to the Surveying card from the Job, Settings screen.
Select
Use Scale Factor and Prompt to Reset Scale With New
Setups . You need to apply a scale factor to your conventional
measurements because your coordinate system is a mapping
plane. ( If you were using localization, you will generally leave
scale factor for conventional measurements at 1.0.) Tap
&DOF
6FDOH to open the Scale Calculator wizard.
11. Set up back sight.
•
Go to Back Sight Setup. Occupy OIP1 , and back sight OIP2
and tap 6ROYH.
•
You are prompted that the scale factor for this point is
different from the current scale factor. Tap
&KDQJH 6FDOH.
•
Use the Scale Calculator to solve the scale factor for this
setup. A new mode record is written to raw data.
12. Side shots and traverse.
•
Take a 100.0-m 6LGH 6KRW. View the results tab to see how
the horizontal distances are scaled.
•
Take a 7UDYHUVH shot at AR = 0.0 , ZE = 45.0000 , SD = 1000.0 .
At the prompt, tap 7UDYHUVH 1RZ.
•
You will be prompted to reset scale since your elevation has
changed significantly.
•
The scale is updated and a new mode record is written to the
raw data. Subsequent shots are scaled with the new value.
13. Using the scale factor in COGO calculations
•
Go to Point in Direction from the Cogo menu.