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I cannot update WGC. When I run the update tool, the script to install appears, stops, and does not install WGC.

  • Confirm you followed all steps correctly in the manual: Updating Wispr Ground Control

  • Ensure that you are installing from the extracted file and not the zipped folder.

    • To extract the files from the zipped folder, right click and select “Extract All”

  • Enable "Developer Mode" on the smart controller by navigating to Settings → About Phone → Build Number and tap at least 7 times on Build Number. You will receive a message stating “You are now a developer”. Once you finish this step you need to enable USB debugging in the settings.

    • Go into settings and scroll down to Developer Options. Once there, you will see USB debugging with a toggle switch to the right of it. Toggle the switch on. You may now run the update tool again.

  • The smart controller may prompt the user with a message reading “Allow USB debugging on this computer?” if it is the first time updating from that computer. Press yes to proceed. You will only need to allow USB debugging one time on each device.

What should you do if your smart controller is not staying charged for long enough in the field?

We suggest buying a portable charger to extend the battery life throughout the day. Below are links to recommendations, but you can purchase any charger that will fit your needs.

What should you do if the LED light on the smart controller is solid/flashing red?

  • This indicates the battery is critically low and the smart controller should be charged before any further use. If you are flying and you see this, you should return to launch immediately. Use of the controller while having a low battery could potentially result in a dangerous flight situation or end with damage to the drone.

  • If the controller runs completely out of battery during a flight, a failsafe is active that returns the drone to its launch position to prevent a fly away.

Even though the failsafe exists in case of a disconnection or a depleted controller, the user should not willingly fly with a low battery controller. The drone will RTL at the height set in WISPRGroundControl General Settings. Depending on the location of the drone at the time of the failsafe, it could collide with obstacles on the way back to its launch position.

There will also be no way for the user to guarantee that the drone is able to properly land if the land position needs any adjustments. Always check your RTL Height set in General settings to know what height your drone will RTL at to avoid hitting any obstacles.

My smart controller will not connect to my 5GHz network. What should I do?

Always confirm that the SSID you are trying to connect to is a 5GHz band. If your Wi-Fi is a 2.4 GHz band it will not show up under the list of SSID’s in the Wi-Fi menu.

  • If the smart controller isn’t allowing you to connect to a 5GHz network, go to your apps menu and tap Herelink Settings. Under the Radio tab, confirm that the country is set to United States. If it is not, change it to United States, reboot the controller, and try to reconnect. Available 5GHz networks should now allow you to connect the smart controller to your choice of network.

  • If the controller displays United States and you still cannot connect, try:

  • Switching to a different country code. (You may pick any)

    • Power the controller off and back on.

    • Change the country back to United States, and your 5GHz SSID should now be visible for connection.

If the controller doesn’t load parameters when opening WISPRGroundControl, what could be wrong?

  • Navigate to Herelink Settings and under Radio, make sure the Pair State reads “Paired”. If not, you can use these steps to pair your smart controller to your drone. The question above contains an image of this screen if you wish to view for visual reference.

    • Remove the two screws attached to the access door on the left side of the drone to gain access to the Pair/Reset button.

    • From the same screen where the paired status is checked, locate the Pair button beneath the Frequency tab.

    • Use a tool with a small, pointed tip to press and hold the Pair/Reset button until LED 2 is flashing green.

    • Once flashing, press the Pair button. LED should turn solid green and the pair state should now read “Paired”.

If the smart controller has sustained damage, what should I do?

If the smart controller has been damaged in any way, the controller should be replaced. If you suspect any damage, DO NOT use the controller. This can cause your drone to crash. Always check your smart controller before each flight for any damage. It must be replaced before you fly your drone.

How much battery should the controller have before flight?

We recommend you charge your smart controller to 100% before beginning any flight. This will help prevent mishaps in flight and is the best course of action with safety in mind.

If my drone is not flying smoothly, what should I do?

  • Check that props, payloads, screws and landing gear are all secure.

  • Verify that no errors are being triggered in WISPRGroundControl.

  • If the compass (GPS) has bumped into an object, door, etc. or has been damaged in some way, this can also cause the drone to not fly smoothly. In a worst case scenario, a crash could occur.

  • It may be necessary to recalibrate the GPS if the flight characteristics observed appear quite unstable.

Note: if you are flying on a windy day, you will observe some movements that are a result of the drone trying to counteract the wind it is in the path of. The more you fly, the better you will be able to discern if the flight behavior you’re seeing is abnormal, or a result of the drone holding its position.

Telemetry data is not displaying properly, or at all during flight.

  • If this occurs during flight, land the drone and move to the next step.

  • Close WISPRGroundControl and reopen the application. This should reset the app, and all data should be properly displayed upon when you reopen.

  • Reboot the drone if closing the application does not work.

After trying to arm the drone with the joysticks, an error reading “Calibration still running” appears, preventing the drone from arming. What do I do?

Open the Herelink Settings, select the Joystick tab, and make sure that the Y axis has been reversed. If it is not reversed, the controller will try to put the drone into calibration mode instead of arming the drone when pulling the joystick down and to the right. See picture below:

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