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Test a published board on a screen for 5 minutes without pairing it

Boards with a published release can mint a short-lived five-minute test player session for quick fullscreen viewing without creating a persistent screen pairing.

What you may be seeing

  • A user wants to see a board fullscreen on a browser/TV before setting up a permanent paired device, or a test link stops after a few minutes.

What usually causes it

  • Test sessions are intentionally short-lived five-minute tokens.
  • A board must already have a published release before a player test can represent live content.

Do this

  1. Publish the board at least once.
  2. On its Boards card, choose Test on a screen (5 min). CanvasRelay opens the player in a new tab using a temporary test token.
  3. Use that window for fullscreen visual checking; it is not a persistent paired device.
  4. If the session expires, start a new test session from the Board card rather than trying to reuse the old token.

You know it is fixed when

  • The temporary player opens the board fullscreen and a fresh test action works again after the five-minute token expires.

Worth knowing

  • A test session does not replace normal Screens → Connect a screen pairing for unattended production playback.

Search phrases this guide covers

test on a screen · 5 minute test · preview on tv without pairing · temporary player · test session expired · free TV test