Module Installation
Follow this guide if you are retrofitting RTK GPS onto an existing Alta X.
The Rover module replaces the existing GPS module. Follow the instructions below to remove the previous GPS module and install the RTK module.
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1. | CUT cable tie |
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2. | REMOVE three bracket mounting screws attaching the bracket to the Alta X | |
3. | REMOVE the three mounting screws attaching the bracket to the GPS module | |
4. | REMOVE cover screw | |
5. | Carefully LIFT cable cover, slide out |
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6. | With a driver or long device, DEPRESS connector latch and slide connector and cable out |
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7. | REMOVE GPS device and mounting bracket |
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8. | INSTALL RTK Module, button should be facing away from the aircraft |
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9. | PLUG existing 8-pin GPS cable into RTK Module |
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10. | Apply threadlocker and SCREW the 3, M3x16 mm bolts Hint: The M3x16 use a 2.5mm driver (ie "Freefly Blue") |
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After completing the mechanical installation, you will have to configure the autopilot.
Note: You must be running Alta SW 1.3 or above for RTK GPS operation
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1 | Open Alta Ground Control | |
2 | Power Alta X up by connection at least one battery | |
3 | Connect to Alta X via Alta Ground Control | |
4 | Click on the Vehicle Setup (gear icon) and on the "Sensors" button. |
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5 | Press "Compass" to start compass calibration | |
6 | When prompted for autopilot orientation, set ROTATION_YAW_180 |
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7 | Follow instructions to calibrate compass | |
8 | When prompted for external compass orientation, set NO_ROTATION (set to YAW_180 if placed in the alternate [rear] location) | |
9 | In Vehicle Setup, click on "Parameters" button |
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10 | In the "Standard" group, select "Serial" |
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11 | Set "SER_GPS1_BAUD" to 115200 8N1 |
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12 | Reboot Alta | |
