In addition to the Ditto room code that must be entered to connect, these receiver types support standard AirPlay security options. When enabled, AirPlay security requires a passcode or onscreen code to be entered into the connecting device in order to establish a connection.
Using an onscreen code ensures that anyone connecting to the big screen must be in the room to see the code. The onscreen code is random, and it changes on every connection request. This security measure prevents anyone outside of the room from establishing a connection with Ditto.
Enable Apple TV onscreen code
1. From the Apple TV menu, go to Settings>AirPlay>Security
2. From the AirPlay security menu, select Onscreen code
After a user enters a Ditto room code to connect to the Apple TV, they will be presented with the AirPlay onscreen code:
The user will need to enter this code into Ditto on their device to establish a connection:
Enable Reflector onscreen code
1. Open Reflector and click the gear wheel in the bottom right corner
2. Click Preferences
3. Click the Connection tab
4. Change AirPlay Security to Onscreen Code;
Chromecast does not offer additional in-room security options like onscreen codes or passwords.