Topcon GM-55 User manual

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Topcon GM-55 Total Station Setup Using Topcon FC-5000 Data Collector
Maryland NRCS
1. Set up tripod and level base plate.
2. Place GM-55 Total Station unit on tripod and level:
a. Adjust tripod legs individually to get the bubble near level.
b. Use thumb screws on total station to make fine adjustments and center level bubble.
c. Rotate total station and center over each tripod leg. Verify that the bubble is level at each
stop. Make fine adjustments as necessary.
3. Press the power button on the total station.
a. Make fine level adjustments to center digital level bubble.
b. Push [F1] to select “OK”.
4. Aim total station sight towards North and establish 0° (deg).
a. Rotate total station so that it aims in the direction of magnetic North.
b. Push [F1] to select “0Set” function.
5. On the FC-5000 data collector, press the power button .
6. Once at the Windows 10 home screen, open the MAGNET Field©software.
a. Tap the Windows icon at the bottom-left of the tablet screen.
b. Tap All Apps icon .
c. Scroll down to M section and tap MAGNET Field folder.
d. Tap and open MAGNET Field app.
****** If this is a first-time set up, proceed to step 7. If this FC-5000 has been set up previously, skip
to step 11. ****************************************************************************************************
7. Close the Connections window by pressing the home screen icon near the top-right.
8. Set up GM-55 connection profile.
a. Tap Configure icon.
b. Tap Survey icon.
c. Under the Optical Configuration box, tap [Edit].
d. Under the Configuration window, enter the following before tapping [Next >>]:
Name: GM-55 TS
Type: Conventional
e. Under the Config: Instrument window, enter the following before tapping [Next >>]:
Manufacturer: Topcon
Model: GM-50/100(Topbasic)
f. Under the Config: Conn Mode window, enter the following before tapping [Next >>]:
Initial TS Connection: Bluetooth TS
g. Under the Config: Survey Settings window, enter the following before tapping [Next >>]:
Meas Method: Direct
Tolerances, Hz: 5.000
Tolerances, Dist.: 0.02
Tolerances, VA: 5.000

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h. Under the Config: Survey Settings window, enter the following before tapping the
checkmark icon near the top-right:
Measurement Type: HA/VA/SD
Target Type: Prism
EDM Mode: Coarse
g. Tap the accept/home screen icon near the top-right.
9. Establish default measurement units:
a. Tap Configure icon.
b. Tap Units icon.
c. Under the Distance tab, enter the following:
Distance unit: US Feet
Distance precision: 0.123
Area unit: Square USFeet
Volume unit: Cubic USFeet
d. Under the Angle tab, enter the following:
Meas angle unit: DD.ddddd°
Meas angle precision: 0.123°
Calc angle unit: DD.ddddd°
Calc angle precision:0.123°
e. Under the Coordinate tab, enter the following:
Norting/Easting precision: 0.123
Lat/Lon units: DD°MM’SS.s”
Lat/Lon precision: 0°00’00.123”
Height precision: 0.123
f. Under the Other tab, enter the following:
Temperature unit: Fahrenheit (°F)
Pressure unit: inHg
i. Tap the accept/home screen icon near the top-right.
10. Establish default display settings:
a. Tap Configure icon.
b. Tap Display icon.
c. Under the Display window, enter the following:
Coord Type: Ground
Plane Coord Order: Northing,Easting,Height
Geod. Az. Origin: North
Direction: Azimuth
Display Slope As: Percentage (%)
Station Prefix: Sta.
CL Position: 12+34.000
d. Tap the accept/home screen icon near the top-right.

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11. Connect the FC-5000 data collector to the GM-55 Total Station:
a. Tap Connect icon.
b. Under the Connections window:
Tap Optical radio button.
Select GM-55 TS configuration.
Select/check: Connect to last used BT device
Select/check: Prompt for connection at startup
Tap [Connect].
****** For initial connection procedure *************************
Tap and select the GM-55 bluetooth device in the device list.
Tap [Select].
Require PIN: uncheck
Tap [Connect].
****** When connected, the Total Station will beep and the bluetooth symbol should
appear in the on-board screen. The FC-5000 will also make a sound – indicating a
successful connection – and return to the main menu. *************************************
12. From the main menu, create a new survey job:
a. Tap Job icon.
b. Tap New Job icon.
c. Enter the following:
Name: <user-defined>
Created by: <user-defined>
Comments: <user-defined>
j. Tap the accept/home screen icon near the top-right.
13. Enter data for the first occupation (HUB) point:
a. Tap Edit icon.
b. Tap Points icon.
c. Tap [Add] near the bottom-right.
d. Under the Point tab, enter the following before tapping the checkmark icon near the
top-right:
Point: 1
Code: IP
North: 5000.000
East: 5000.000
Elevation: 0.000
e. Close the Points: Ground window by pressing the home screen icon near the top-right.

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14. Establish a benchmark elevation:
a. Tap Setup icon.
b. Tap Benchmark icon.
c. Under the Benchmark window, enter the following before tapping [Next >>]:
Occupy: 1
Code: IP ****** should auto-populate. ******
HI: <user-defined height of instrument>’
d. Under the Benchmark: Normal window, enter the following before tapping [Next >>]:
Elevation: 100.000 ****** tap button to toggle between [Point], [Elevation]. ******
Prism (icon) : <user-defined rod/prism height>
Tap the “measure/read” icon to take measurement.
Review the data point. If satisfied, tap the “save” icon to store the benchmark reading.
e. Review the benchmark data on the Benchmark: Resuts window. If satisfied, tap [Accept].
f. A warning will appear indicating that point “1” already exists with a height of “0.000”.
Tap “Update Height?” radio button.
Tap the checkmark icon near the top-right to update the instrument hub elevation to
reference a 100.000ft benchmark elevation.
15. Backsight on the benchmark point and establish the benchmark data point:
a. Tap Backsight icon.
b. Under Occupation Point, verify/enter the following:
Point: 1
HI: <user-defined height of instrument>
Scale: 1.000000000000
c. Under Backsight Point, enter the following before tapping [Next >>]:
Azimuth: 0.000 ****** tap button to toggle between [Point], [Azimuth]. ******
Prism (icon) : <user-defined rod/prism height>
d. Under the Backsight: Normal window > Set Circle to:
Tap the menu icon.
Tap and select: Get from Instr
Verify that the listed reading matches the “HR:”angle reading on the GM-55 display.
Tap Set icon.
e. Tap Yes to store the measured backsight point.
f. In the Store Point As… window, enter the following before tapping the checkmark icon
near the top-right:
Point: 10 ****** Use prefered numbering rule but do not go above point number 99. ******
Code: TBM
g. Review the backsight data (e. g. Elevation = 100.000ft) before tapping the home screen icon
near the top-right.

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16. Proceed to collect general survey data points:
a. Tap Survey icon.
b. Tap Topo icon.
c. Under the Sideshot-Direct: Normal window, enter the following data:
Point: 100 ****** Survey shots should stay within point range: 100 – 2999. ******
Code: <user-defined; pick from drop-down list>
Tap the “measure” icon and “save” the data or tap the “measure + save” icon
to move directly to the next data measurement.
d. Continue process as needed to complete survey. When finished, tap the home screen icon
near the top-right to return to the main menu.
17. To view a map of survey data points:
a. Tap the Map icon.
b. Use the stylus to drag and pan the map view. Use the top toolbar to draw features. Use the
side toolbar to zoom in/out, change layer settings and/or change overall map settings.
c. To adjust the map properties to the following recommended settings, tap the Map
Properties icon.
General
Map Font: Bold,Small
Entities
Show Points, Names, Codes, Heights
d. Tap the checkmark icon near the top-right to return to the map.
e. When finished, tap the home screen icon near the top-right to return to the main menu.
18. To export a complete survey data file:
a. Tap the Exchange icon.
b. Tap the To File icon.
c. Under the To File window, enter the following before tapping [Next >>]:
Data: Points
Format: Text Custom Report (*.txt)
d. Under the To Text Format window, enter/verify the following before tapping the checkmark
icon near the top-right.
Type: Text Files (*.txt)
Filepath: C:\Users\USDA\Documnts\MAGNET Field PC\IEFiles ******Users can also
browse to another folder or attached external USB device. *******************************
Name: <user-defined file name>
e. Under the Text File Format window, enter/verify the following before tapping [Next >>]:
Delimiter: Comma
Header in first row: uncheck
File Style: Name,N(Lat),E(Lon),Elev,Codes
f. Under the Coordinate System, tap [Next >>]:

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g. Under the Units Fomat window, enter the following before tapping the checkmark icon
near the top-right.
Plane coordinates precision: 0.000
Elevation precision: 0.000
h. The Export Status window status should read: “Export successfully finished.” Tap
[Close] or the home screen icon near the top-right to return to the main menu.
19. When finished, close the MAGNET Field app by tapping the “close” icon near the top-right
of the menu.
20. Press and briefly hold the power button on both the FC-5000 data collector and GM-55 total
station to shut-down each device. Disassemble and pack up equipment. Be sure to center the
levelling pegs (heightwise) on the GM-55 and keep the rotation-lock knobs loose during storage.