Sony MHC-V73D Help Manual page 72

Start playback on the connected BLUETOOTH device and adjust the volume.
The same music is played from all systems.
When adjusting the volume on the BLUETOOTH device or the Party Host, the volumes of the Party Guests are
automatically adjusted.
* Depending on the connected device, the volume may not be synchronized with the volume you adjusted on the Party Host.
Synchronization of settings in a Wireless Party Chain
When a Wireless Party Chain has been established, the following settings on the Party Host and Party Guests are
changed:
The MEGA BASS settings on Party Guests are synchronized with the Party Host.
The Karaoke setting (Vocal Fader, Key Control and Mic Echo) on both Party Host and Party Guests is turned off.
The Party Light settings on the Party Guests are synchronized with the Party Host.
DJ Effect on both the Party Host and Party Guests is turned off.
The sound field settings return to the defaults on both Party Host and Party Guests.
When the volume on the Party Host is adjusted, the volume on the Party Guests is synchronized with the volume on
the Party Host. However, even if the volume on the Party Guest is adjusted, the volume on the Party Host will not
change.
When the Party Host is turned off, the Party Guests also turn off.
Hint
You can also operate the Wireless Party Chain function on "Sony | Music Center."
What you can do with the Wireless Party Chain function depends on the systems you connect.
When using the Wireless Party Chain function, the codec automatically switches to SBC.
Note
When watching movies using the Wireless Party Chain function, there may be a delay between video and audio.
The Wireless Party Chain function is available only when the system is in BLUETOOTH function.
When you use the Wireless Party Chain function by connecting multiple types of audio systems, the lighting may not work
depending on the order of the systems you connected. In this case, set the system whose lighting does not work as the Party
Host.
While the Wireless Party Chain function is active, you cannot select another system as a new Party Host.
When you use the microphone or play a guitar on the Party Host, the sound is not output from the Party Guests.
Sleep Timer and the Auto Standby function do not work on the Party Guests.
Related Topic
Terminating the Wireless Party Chain function
*
For the Party Guests, you can also adjust the volume on each other.
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