NJR-T04HD / NJR-R04HD User’s Guide7210.6 Audio setting10.6.1 Muting digital audioYou can enable or disable the audio output mute.Once you mute NJR-T04HD, all audio of NJR-R04HD connected through the 10 GbE switch can be muted.Setting forNJR-T04HD: For each HDMI input connectorNJR-R04HD: For each HDMI output connectorSetting valueMute OFF [Default]Mute ONCommunication command@SAM Setting digital audio output mute@GAM Getting digital audio output mute10.6.2 Setting audio levelYou can set the audio level.Setting forNJR-T04HD: For each HDMI input connector, For each input signalNJR-R04HD: For each HDMI output connectorSetting value-60dB to +10dB [Default] ±0dBCommunication command@SSL Setting audio level@GSL Getting audio levelNJR-T04HD / NJR-R04HDNJR-T04HD / NJR-R04HD