The USB type C connector is used for charging. 1.2 Fixing Screw Holes At the bottom of the GR-9029 disk, there are four screw holes of M3x8 (mm). These four screw holes are located at the four corners of a rectangle with edge length of 60...
GR-9029 User’s Quick Guide One can attach a tripod, a selfie stick, or anything else via these 4 screw holes with screws of size M3x8. For example, one option of pedestal with four magnets at the feet is attached to the disk with 4 M3x8 screws as shown above.
1.4 RTCM Applications running on devices like smartphones, tablets, notebooks etc. could communicate with GR-9029 via BLE/RTCM to get the RTK precise positions which could be used for precise navigation, measurement, data logging etc. The RTCM data is typically encapsulated in NTRIP.
2 BluetoothLE RTK APP 2.1 Where is the APP An iOS-based APP (BluetoothLE RTK) is prepared for the evaluation of GR-9029. One can download to test it from the App Store as shown below. That is to say, this APP could be used on iPad, iMac, or iPhone. You are welcome to give us suggestions on this APP.
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GR-9029 User’s Quick Guide The green rectangle is for the major menu including four functions. Setting for NTRIP caster etc. Clear: to clear the path on the map Log: to start or stop the logging File: the logged files were stored here.
GR-9029 User’s Quick Guide 2. Red rectangle: Toggle the switch to connect or disconnect the BLE of GR-9029. 3. Blue rectangle is for the connection status (NTRIP & BLE), battery level (GR- 9029), firmware version (GR-9029), and GPS (GR-9029) fix information etc.
Update icon on the upper right corner to enable the changings made on Setting. 2.4 Map Setting There are three sub-functions under this item. 1. Show Full Path GR-9029 sends out its position data second by second. However, the APP by default...
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GR-9029 User’s Quick Guide only displays the position that is tagged with “$KEYPRESSED” in the line following it. The tag means the user has pressed the button on the extended control cable of GR- 9029. For example, following two lines were received by the APP. However, only the second line data is displayed because of the $KEYPRESSED line following it.
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GR-9029 User’s Quick Guide 2. Draw Distance There could be multiple points shown on the map. This function allows one to measure the distance between any two points. Following picture is an example.
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GR-9029 User’s Quick Guide 3. Use WMTS (Web Map Tile Service) In addition to the default map, one can add one’s own map by the WMTS service function. Just key in the WMTS URL for the new map is ok. The default one is Apple...
GR-9029 User’s Quick Guide map. The one shown in the screenshot above is for an Open Street Map. For example, if you have a pipeline map, and you want to find the specific location of a pipe, this would be a very useful function.
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GR-9029 User’s Quick Guide Following screenshot is an example of two files logged. One can view, share, or delete them as shown below.