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Section 3. Instrument Connect 1. Select Func | Units to verify if you are in the correct units for your project area. Your choices are: USFeet, Feet (intn’l) and Meters. 2. Select Surv | Keyboard Input | Coordinates. 3. Here, you must keyboard input the known coordinates for your survey area that you plan on calibrating to. Note: Make sure that you give the point id’s something that is easy to remember, because these will become important when it is time to calibrate the job. You can <Enter> through the fields, and then hit <CTRL> + <Enter> to save the point in the database. You can hit <CTRL> + <V> to see that it is in there. Repeat this for all calibration points you have. 4. 5. 6. 7. 8. 9. 10. 11. 12.
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Select Func | Instrument. In the Instrument Setup screen, select GPS RTK from the Type list. (Fig.1 - below) Select GSR2700 IS from the Model list. Select Store OBS to NO From the Port list, select the port the device is associated with. (see Section 1, step 14) Select Bluetooth from the Port type list. Select 38400 as the Preferred rate (default). Select either GOBS or Position mode (GOBS – vector based / Position – WGS84 position based) Select Data Port to Internal Radio (or COM2 if you are using an external radio). If your receiver features an Internal Modem instead then you would set this option to Internal Modem (see Appendix A for dial-up instructions). Select <Query> button to initiate communication with the receiver. A message box displays “Working” and then “Connect”. If communication is successful, a new field displays in the Instrument Setup screen: Data Format – Proprietary, and the serial number displays in the Serial no. field. The “Proprietary” format would be known as “RTCA” and is what would be standard when communicating between two Sokkia receivers. Other options include RTCM and CMR. Press the <ANT> soft-key (F1 on AllegroCX) to verify that your antenna model is “GSR2700IS” and your method is vertical (if using a calibrated rover pole). You may also choose slant here, if you are measuring your rover H.I. using the slant method. Press <CTRL> + <ENTER> to exit this antenna screen. Press <CTRL> + <ENTER> to finish out the connection. You will see the “Working…Connect” dialog box again. Press <YES> to save the settings to the receiver. Enter your BASE antenna model and offset method. Press <CRTL> + <ENTER>
Instrument Setup – Page 1
Fig.1
Date: 02-03-06
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Author: MJR