Messages during a scan
| Message | What to do |
|---|---|
| Center your face | Move to the middle of the frame. |
| Hold still | Stay as still as you can. |
| Too dark | Add light in front of you. |
| Too bright | Reduce direct light on your face. |
| Move closer / Move back | Adjust your distance until the message clears. |
| One person at a time | Make sure only your face is in the frame. |
| Signal lost | Coherence lost track of your face. Keep your face in the frame. |
Problems
"Camera access is off"
A scan needs your camera. Tap Open Settings and turn on Camera for Coherence.
"Scan interrupted"
The scan stopped because the app went to the background or lost the camera. Tap Restart Scan.
"Can't reach the measurement service"
Check your internet connection and tap Try Again.
I can't see my program
Check that you signed in with the email your invitation was sent to and tapped Join. Then look in Programs › Library. If you see “Setting up program access”, wait a moment and check again.
"This invitation belongs to a different account"
Tap Sign out and use the invited account, then sign in with the email the invitation was sent to.
"Invitation no longer valid"
The invitation expired or was revoked. Ask your organization to send a new one.
"Update required"
Update Coherence from the App Store or Google Play. If it says your phone’s software needs an update, update it in your phone’s Settings, then reopen the app.