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How to set up and use CommBox Lobby on the Classic S5

Learn how to enable CommBox Lobby on your Classic S5 to create a cyber-secure shared screen environment — every session starts fresh and your data is automatically cleared when it ends.

Applies To

CommBox Classic S5 — All models (CommBox OS Experience required)

Step-by-Step Instructions

Step 1: Open CommBox OS Experience Settings

  • From the home screen, tap the CommBox Experience app icon to open the CommBox OS Experience settings.

Step 2: Enable CommBox Lobby

  • Tap Accounts and Security, then tap Lobby.
  • Toggle Enable Lobby to the on position.

Step 3: Choose how users start a session

  • Once Lobby is enabled, select your Access Policy:
    • Express Session & Accounts — guests can start a session without logging in, and CommBox Account holders can log in for a personalised experience.
    • Accounts Only — only users with a CommBox Account can start a session.
    • Express Only — all users start as guests, no login required.

Step 4: Configure optional security rules

  • Allow Input Switching from the Lobby — lets users switch to an input (like HDMI) directly from the Lobby screen.
  • Auto-Return to Lobby Timer — automatically returns the screen to the Lobby after a period of inactivity on an input.
  • Auto-Return to Lobby Timeout — sets how long the screen waits before returning to the Lobby.
  • Return to Android on No Signal — returns to the Lobby the moment a connected device goes to sleep or is disconnected.

Step 5: Save and reboot

  • Tap Save and exit the settings. The screen will reboot to apply your changes.

💡 Tip: Use Accounts Only mode in environments where student privacy is critical, such as BYOD classrooms or shared staff rooms.

💡 Tip: Lobby is the most secure setup for any shared screen. Even if a user forgets to log out, everything is wiped automatically at the end of their session.

Troubleshooting / What to Do If It Doesn't Work

  • Lobby screen is flashing or restarting — this was a known issue resolved in the Goanna firmware update. Go to Settings > System > System Update and install the latest update.
  • Users can't start a session — check that your Access Policy is not set to Accounts Only when you have guests without CommBox Accounts. Switch to Express Session & Accounts if needed.
  • If you need help, log a ticket on the Support Portal in Knowledge Base: https://support.commbox.com.au/knowledge/kb-tickets/new

Video Tutorial Refer to the CommBox Training Hub for guided videos at www.commbox.com.au/training-hub.