Topcon Total Station GPT-3000LW & TDS Ranger Data Collector
1. Set up Total Station over hub and level. Turn power on.
2. Use compass to locate North. Rotate total station so that sighting collimator is lined up to North. Lock total station.
3. To set Set 0 degrees on North – Push {F1} [OSET] on display screen on front of total station. Push {F3} [YES]. O degrees is now set to North with horizontal angles turning right.
4. Turn on Data collector. (Green button bottom left )
[Start]- tap- [Programs] – [Survey Pro]
last line on screen – “Create New Job” – tap - [NEW]
Type in name of job----then - tap - [NEXT]
Azimuth type – [North Azimuth}
Units for Distances – [US Survey Feet]
Units for Angles - [Degrees]
[NEXT] “ Enter first point ” :
This is your instrument / start point.
Point Name – [1]
Northing – [5000.00 us ft]
Easting – [5000.00 us ft]
Elevation – [can put any # here because it
will be overwritten during Remote Elevation routine below]
Description – [write about your surveying]
4. You will want to add a Note here – tap the {STAR} icon on the top right of screen and
[Add Note] to add TBM description, survey personnel, and any other job notes.
5. Back to main menu – tap - [JOB]- tap- [SETTINGS] – this brings up another display screen with 9 tabs: the settings on these tabs just need to be set once, and then it defaults to those settings. (The default settings will be listed at the end of this document.) – tap – [OK]
6. Back to main menu – tap - [SURVEY]- arrow down on right to {S} [REMOTE ELEVATION]
7. “Known elevation is” – check [FORESIGHT] and enter known elevation of TBM - eg. 100.00
--Sight rod person on TBM
Data Collector screen shows - “Shoot”---check [DIRECT]---and then measure & enter Height of Instrument and Rod Height
--check [STORE POINT] --Point – 1 (occupy pt.)
Tap – [TAKE SHOT]. This will overwrite point 1 with the corrrect elevation.
8. Back to main menu – tap –[Survey] -tap- [BACKSIGHT SETUP]
--Sight rod person on TBM again-
Data Collector screen shows:
---“Occupy pt.” – enter [1]
--- enter Height of Instrument and Rod Height
---Tap box under H.I. to toggle between [BS Point] and [BS Direction]
---Select [BACKSIGHT DIRECTION]----enter angle of backsight that is showing on total station. (eg. 128.3410 for 128 degrees 34’ 10”)
--Tap [BACKSIGHT CIRCLE]----tap- [READ FROM INSTRUMENT]
-close out screen w/ [X] in top right corner
--tap –[CHECK] ---tap - [BY ANGLE] then take shot.
This will show if there is an error between the angle you entered and the actual shot on the backsight.
(--tap – “SOLVE” >only if you want to “0” on the back sight instead of “0” on North)
9. Back to main menu – tap [Survey] tap – [TRAVERSE/SIDE SHOT]
At the top of this screen you will see “OCC: 1 HI: ___ BS: ___
This is your occupy point – 1, height of instrument – whatever it is; and your back sight point number & angle.
You need to Shoot TBM again as side shot to record .
“Foresight” change this # to 90 for the TBM shot.
“Description” enter [TBM] and check that “HR” is the current rod height.
Now you are ready to take topo shots
--Sight rod person on TBM again- Tap – [SIDE SHOT] this will take the TBM shot.
Sometimes you will get a message on the first sideshot that the shot could not be taken. Just tap ok and tap [SIDE SHOT] again. TBM will be recorded as pt. 90 and you are ready to survey.
10. Change the “Foresight” # to 100 , type in the shot description, and check that the HR IS
THE CURRENT ROD HEIGHT and tap [SIDE SHOT]
Miscellaneous notes:
-When you download data collector you need to print the “raw” file to see the “notes”
that you made during the survey. (Tap the {STAR} icon on the top right of screen to add notes
-For cap lock – press [Fn] and yellow CAPS key. YOU WANT THE SHOT DESCRIPTIONS TO BE ALL CAPS.
Point Numbering: Instrument Points – use single digit numbers 1-9
Benchmarks – use 90-99
Turning Points – use 70-79
Side Shots – start at 100. If you make a turn to another instrument set up, change side shot numbers to differentiate Instrument Point 1 from Instrument Point 2 (eg, 100-199 for IP 1; 200-299 for IP 2; if you have more than 99 shots for IP1, use 300-399 for IP2, etc.)
DEFAULT SETTINGS for the data collector:
Survey Pro Main Menu – JOB ->-> SETTINGS ->->->
INSTRUMENT:
“Brand”: [TOPCON]
“Model”: [GPT SERIES]
“Serial Port”: [COM 1]
“Baud Rate”: [1200]
“Parity”: [Even]
UNITS
“Units for distances”: [US SURVEY FEET]“Units for angles”: [DEGREES]
“Display directions as”: [AZIMUTH]
“Azimuth type”: [NORTH AZIMUTH]
FORMAT
This relates to the precision you want for northing/easting, elevation, etc.
FILES
The only files currently loaded are the “Description File” which is the description codes for the survey shots. This is an ASCI file (text file) created on the PC and transferred to the data collector.Please refer to the users manual for descriptions of the Control File & Feature Code File.
SURVEYING
“Prompt for Description” and “Prompt for Height of Rod” should be checked on. All others are checked off. (Make sure “Survey with True Azimuths” is checked off. If this is checked on and you do a traverse ( or turn) the points are not in the right place after the first move.)STAKEOUT
“Always start stakeout with coarse mode” is the only thing checked on.
REPETITION
“Horizontal tolerance”: [30] sec.
“Zenith Tolerance”: [30] sec.
“Distance Tolerance”: [0.4999999 usft]
DATE/TIME
Set current date & time
GENERAL - User preference
Charge Times: Data Collector – 1 to 3 hours;
Total Station – 1 hour 48 minutes
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