![I have my Apple tv connected to the Denon AVR-X3600H receiver, I am getting the HDMI 3 letters popping on top of TV frequently, any idea what causes this? I have reset I have my Apple tv connected to the Denon AVR-X3600H receiver, I am getting the HDMI 3 letters popping on top of TV frequently, any idea what causes this? I have reset](https://external-preview.redd.it/QfPqhmRMTlkkYagab4wSdkXvnYXHUfV8Sg3sm9OgXdA.png?width=640&crop=smart&format=pjpg&auto=webp&s=530ebf029eb5d9a66ec8b8cfeac740fdd5035dee)
I have my Apple tv connected to the Denon AVR-X3600H receiver, I am getting the HDMI 3 letters popping on top of TV frequently, any idea what causes this? I have reset
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User manual for Denon AVR-1311 - a user manual, servicing manual, settings and specifications ofDenon AVR-1311 - page 11 - User manuals and advice for your devices - User-Manual.info
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