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SENSORS
Troubleshooting GALE

USB Cameras - Black Screen

If the USB Camera has a black screen + permissions are requested
  1. Unplug the camera and plug it back in. Ensure the permission request appears.​
  2. If the permission request does appear
    1. Ensure the camera is turned on, if the camera requires​
    2. Play with the little scrolly-wheel on the side of the cable or camera to ensure the light is turned on.
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If the USB Camera has a black screen + no permissions

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1. Test the camera on another device

  1. Plug the otoscope into a computer without the adapter

    1. Light comes on, works → Camera is fine; problem is the adapter

    2. Light doesn't come on, doesn't work → Camera may be faulty

  2. Plug the otoscope into a computer with the adapter

    1. Light comes on, works → Something may be going on with GALE

    2. Light doesn't come on, doesn't work → use test from above

  3. You can open a camera app on your computer for this test to see more camera results

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2. Test the adapter on another device

  1. Use the same adapter with another known-working device (e.g., flash drive, keyboard, another camera) on your computer

    1. Works → Adapter is fine

    2. Doesn't work → Adapter is faulty

Related Resources:

  1. Basic Troubleshooting

  2. Video - Common Issues

USB Cameras - Finish Exam

"Unplug to Finish" Otoscope

On some otoscope and exam camera activities, you may be prompted to unplug the camera to finish (close) the exam. Simply unplug/detach the camera from the USB port on the GALE tablet. Video Example

Related Resources:

  1. Basic Troubleshooting

  2. Video - Common Issues

USB Cameras - How to use during a call

How to use a USB Camera during a call
  1. Open the sidebar menu on the top left of the Zoom screen
  2. Select the applicable camera sensor
  3. Follow the in-call instructions on how to prepare the camera
  4. Press the green "Start" button
  5. Accept the screen sharing permissions​

    1. If there is just one option, select "Share now"

    2. If there are multiple options

      1. Select "Entire Screen" from the dropdown​

      2. Tap "Start"

  6. Wait for the screen to share. This can take up to 10 seconds

  7. Plug in the USB Camera

  8. If applicable, turn it on

  9. Accept the on-screen permissions

  10. Take images by tapping the screen or using the capture image button on the bottom right side of the screen

  11. Unplug the camera to complete the exam. Note: not all cameras require this step​​

  12. Go back to the call

    1. Tap the floating call button and select "Back to Call"​

    2. Tap the Clinics tab along the bottom navigation menu

  13. Complete the call

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Tips on using a USB Camera during a call
  • Do not plug in the camera before the call. If you take images before starting a call, unplug the camera when the exam is complete and re-attach it during the call, following the in-call instructions in the sensor menu.
  • ​If you're unsure when to plug in/unplug the camera, do both of these during the Camera Activity
Related Resources:

  1. Basic Troubleshooting

  2. Video - Using a USB Camera during a Zoom call

Bluetooth devices won't connect

A single device won't connect

Ensure the Bluetooth device is paired 

  1. Open Android Settings - how to

  2. Go to or search "Bluetooth"

  3. Ensure the device is in pairing mode​

  4. Tap the device under "Available Devices" or "Pair New Device" or "More" etc.​

No Bluetooth devices will connect

Check Location Services

  1. Open Android Settings - how to

  2. Go to or search "Location Services"

  3. Ensure "Use Location" is toggled on

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Related Resources:

  1. Basic Troubleshooting

  2. Video - Common Issues

Troubleshooting Bluetooth Keyboards

How to pair a Bluetooth keyboard

Ensure the Bluetooth keyboard is Paired 

  1. Open Android Settings - how to

  2. Go to or search "Bluetooth"

  3. Ensure the device is in pairing mode​

  4. Tap the device under "Available Devices" or "Pair New Device" or "More" etc.​

The Bluetooth keyboard closes the GALE app

If every time you connect or use a Bluetooth keyboard the GALE application closes, check to ensure the keyboard is in "Tablet" mode.

  1. Open Android settings

  2. Go to or search "Pen and Keyboard"

  3. Tap "Physical Keyboard"

  4. Tap "System mode when a keyboard is connected"

  5. Ensure “Tablet” is selected (and not PC mode)

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Related Resources:

  1. Basic Troubleshooting

  2. Video - Common Issues

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