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infrastructure:audio-setup [2025/12/28 10:13] diamondinfrastructure:audio-setup [2025/12/31 13:08] (current) – bluetooth instructions clarification diamond
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 - To use the Android TV, switch the AV Receiver on and to `DVD / HDMI 1`. - To use the Android TV, switch the AV Receiver on and to `DVD / HDMI 1`.
   - Make sure the HDMI indicator on the AV Receiver is on and blue.   - Make sure the HDMI indicator on the AV Receiver is on and blue.
-  - Make sure the TV input is set to HDMI 1.+  - Make sure the TV input is set to `HDMI 1`. 
 +- To use Bluetooth, switch the AV Receiver on and to `CD-R`. See [Connecting to Bluetooth](#connecting_to_bluetooth) for details.
 - To use the media desk, switch the AV Receiver on and to `CD`. - To use the media desk, switch the AV Receiver on and to `CD`.
 +- To use the rally bar, switch the TV to `HDMI 2`. Audio will go through the rally bar directly.
 +  - Please change it back to `HDMI 1` after the meeting.
  
-**Notes:**+### Connecting to Bluetooth
  
-- To use the rally barswitch the TV to HDMI 2Audio will go through the rally bar directly+We use a "UGREEN-BT505" as the Bluetooth receiver. Its controls are as following: 
-  Please change it back to HDMI 1 after the meeting+ 
-- Bluetooth is not available yet.+- To turn it ontap the top buttonThe LED light should come upYou'll also hear it saying "Powered on." 
 +To turn it off, tap the top button again
 +To enter pairing mode, double-tap the top button. **The LED light should be flashing red and blue.** You should be able to find a Bluetooth device with this name after that. 
 + 
 +This Bluetooth receiver can connect up to 2 devices simultaneously. If you're having issues with connecting to it, you might want to make sure that no one is connected to it. You can ensure this by restarting the Bluetooth receiver.
  
 ## Wiring ## Wiring
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     nodesep=0.5;     nodesep=0.5;
     ranksep=1;     ranksep=1;
-    +
     node [shape=box, style=rounded, fontname="sans", margin=0.2];     node [shape=box, style=rounded, fontname="sans", margin=0.2];
  
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     rally_bar [label="Logitect Rally Bar"];     rally_bar [label="Logitect Rally Bar"];
     av_receiver [label="A/V Receiver"];     av_receiver [label="A/V Receiver"];
 +    sub_amp [label="Subwoofer Amplifier"]
     bluetooth [label="Bluetooth Receiver"];     bluetooth [label="Bluetooth Receiver"];
     media_desk [label="Media Desk"];     media_desk [label="Media Desk"];
-    +
     subgraph speakers {     subgraph speakers {
       label = "Speakers";       label = "Speakers";
-      +
       front_speaker_l [label="Front Speaker Left"];       front_speaker_l [label="Front Speaker Left"];
       front_speaker_r [label="Front Speaker Right"];       front_speaker_r [label="Front Speaker Right"];
-      small_sub [label="Small Subwoofer"];+      small_sub [label="Small Subwoofer (*)", style="striped"]; 
 +      jeremy_sub [label="Jeremy'Subwoofer"];
     }     }
-    +
     {     {
       rank=same;       rank=same;
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       front_speaker_r;       front_speaker_r;
     }     }
 +
 +    { rank=same; tv; av_receiver; }
  
     pc -> rally_bar [label="HDMI In"];     pc -> rally_bar [label="HDMI In"];
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     av_receiver -> tv [label="HDMI 1"];     av_receiver -> tv [label="HDMI 1"];
     onn_box -> av_receiver [label="HDMI 1"];     onn_box -> av_receiver [label="HDMI 1"];
-    bluetooth -> av_receiver [label="RCA"]; +    bluetooth -> av_receiver [label="RCA, CD-R"]; 
-    media_desk -> av_receiver [label="RCA"]; +    media_desk -> av_receiver [label="RCA, CD"]; 
-    av_receiver -> small_sub [label="Amplified"];+    av_receiver -> sub_amp [label="RCA, SW"]; 
 +    sub_amp -> jeremy_sub [label="Amplified"]; 
 +    av_receiver -> small_sub [label="Amplified, FL+FR"];
     small_sub -> front_speaker_l [label="Amplified"];     small_sub -> front_speaker_l [label="Amplified"];
     small_sub -> front_speaker_r [label="Amplified"];     small_sub -> front_speaker_r [label="Amplified"];
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 </graphviz> </graphviz>
 ``` ```
 +
 +> **Note:** The small subwoofer is currently unused and only acts as passthrough. They'll stay until we need to move the speakers again.
 +