Denon AVR-A1H 15.4-Channel Network A/V Receiver - Manual (Page 292)

No audio is output from PRE OUT or speakers for ZONE2/ZONE3.
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In ZONE2/ZONE3, the audio can be played back when signals input from digital connectors (OPTICAL/COAXIAL) are in 2ch PCM format.
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In ZONE2, the audio can be played back when signals input from the HDMI connector are in 2ch PCM format. To play back the audio in ZONE2
irrespective of the input signal format, set “HDMI Audio” in the menu to “PCM”. Depending on the played back device, the audio may not be played back
even with this setting. In that case, set the audio format to “PCM (2ch)” on the played back device. ( v p. 270)
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When listening to audio from a Bluetooth device in ZONE2/ZONE3, remove any obstructions between the Bluetooth device and this unit and use it
within a range of about 98.4 ft/30 m.
Sound mode settings are not available when using Bluetooth headphones. Audio menu settings are also not available.
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This unit cannot change sound mode or audio menu settings for audio output to Bluetooth headphones.
Contents Connections Playback Settings Tips Appendix
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Front panel Display Rear panel Remote Index